{"product_id":"cw027-cory-catfish-hoplisoma-sp-cw027","title":"CW027 Cory Catfish – Hoplisoma sp. CW027","description":"\u003cdiv class=\"tropicflow-product-description\" style=\"max-width: 920px; margin: 0 auto; font-size: 16px; line-height: 1.7; color: #333;\"\u003e\n\n  \u003c!-- QUICK ANSWER --\u003e\n  \u003cdiv style=\"background: #f5faf8; border-left: 4px solid #016141; padding: 18px 20px; margin: 0 0 28px 0; border-radius: 4px;\"\u003e\n    \u003cstrong style=\"color: #016141; font-size: 18px;\"\u003eQuick Answer:\u003c\/strong\u003e\n    \u003cp style=\"margin: 8px 0 0 0;\"\u003e\n      The \u003cstrong\u003eCW027 Cory Catfish (Hoplisoma sp. CW027)\u003c\/strong\u003e is a\n      still-undescribed collector Cory from northern South America known for its\n      \u003cstrong\u003every tall dorsal fin, bright pale “glowspot” behind the head,\n      dark facial markings, and spotted body\u003c\/strong\u003e. It is also commonly sold\n      as the \u003cstrong\u003eCW027 Highfin Spotted Cory\u003c\/strong\u003e. Adults reach\n      approximately \u003cstrong\u003e2.25–2.5 inches\u003c\/strong\u003e and should be maintained\n      in groups of at least \u003cstrong\u003e6 fish\u003c\/strong\u003e in a mature aquarium with\n      fine sand, clean well-oxygenated water, and peaceful tank mates.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- INTRO --\u003e\n  \u003cp\u003e\n    The \u003cstrong\u003eCW027 Cory Catfish (Hoplisoma sp. CW027)\u003c\/strong\u003e is a\n    distinctive short-snouted Cory-type catfish valued by collectors for its\n    combination of \u003cstrong\u003espotted patterning, unusually tall dorsal fin,\n    and bright marking across the nape\u003c\/strong\u003e.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Also known as the \u003cstrong\u003eCW027 Highfin Cory\u003c\/strong\u003e,\n    \u003cstrong\u003eHighfin Spotted Cory\u003c\/strong\u003e, \u003cstrong\u003eCW27 Cory\u003c\/strong\u003e,\n    and historically associated with the code \u003cstrong\u003eC154\u003c\/strong\u003e,\n    this fish remains scientifically undescribed.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Its light gray, beige, or silver body develops numerous dark spots,\n    while darker markings across the face and dorsal region create a strong\n    contrast. Mature specimens can develop a remarkably tall dorsal fin,\n    producing a much more dramatic silhouette than many common Cory species.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Another important feature is the pale area immediately behind the head.\n    Specialist importers have described this as a\n    \u003cstrong\u003ebright “glowspot” on the nape\u003c\/strong\u003e, which can become especially\n    noticeable in healthy, settled adults.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    \u003cstrong\u003eTaxonomy note:\u003c\/strong\u003e CW027 was traditionally listed as\n    \u003cem\u003eCorydoras sp. CW027\u003c\/em\u003e. Following the 2024 revision of\n    Corydoradinae, this Lineage 9 short-snouted fish is placed in the genus\n    \u003cstrong\u003e\u003cem\u003eHoplisoma\u003c\/em\u003e\u003c\/strong\u003e. Because it has not yet received\n    a formal species description, the appropriate current designation is\n    \u003cstrong\u003e\u003cem\u003eHoplisoma sp. CW027\u003c\/em\u003e\u003c\/strong\u003e.\n  \u003c\/p\u003e\n\n  \u003c!-- INFORMATION TABLE --\u003e\n  \u003ch2 style=\"color: #016141; font-size: 24px; margin-top: 34px;\"\u003e\n    CW027 Cory Catfish Care Information\n  \u003c\/h2\u003e\n\n  \u003cdiv style=\"overflow-x: auto; margin: 18px 0 30px 0;\"\u003e\n    \u003ctable style=\"width: 100%; border-collapse: collapse; min-width: 520px;\"\u003e\n      \u003ctbody\u003e\n\n        \u003ctr\u003e\n          \u003cth style=\"background: #016141; color: #fff; text-align: left; padding: 12px 14px; border: 1px solid #ddd; width: 38%;\"\u003e\n            Care Requirement\n          \u003c\/th\u003e\n          \u003cth style=\"background: #016141; color: #fff; text-align: left; padding: 12px 14px; border: 1px solid #ddd;\"\u003e\n            CW027 Cory Information\n          \u003c\/th\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCommon Name\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\n            CW027 Cory, Highfin Spotted Cory, CW027 Highfin Cory\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr style=\"background: #f8f8f8;\"\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eScientific \/ Hobby Name\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\n            \u003cem\u003eHoplisoma sp. CW027\u003c\/em\u003e\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eFormer Hobby Name\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\n            \u003cem\u003eCorydoras sp. CW027\u003c\/em\u003e\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr style=\"background: #f8f8f8;\"\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCW Number\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\n            CW027 \/ CW27\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eRelated Hobby Code\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\n            C154 — commonly regarded as the same taxon \/ younger stage\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr style=\"background: #f8f8f8;\"\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eSpecies Status\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\n            Undescribed Collector Species\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eAdult Size\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\n            Males ~2.25 inches; Females up to ~2.5 inches\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr style=\"background: #f8f8f8;\"\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eTemperature\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\n            73–81°F (23–27°C)\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003epH Range\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\n            6.0–7.2\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr style=\"background: #f8f8f8;\"\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eWater Preference\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\n            Soft to Moderately Hard; Clean, Well-Oxygenated Water\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eRecommended Tank Size\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\n            20–30+ Gallons Recommended\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr style=\"background: #f8f8f8;\"\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eRecommended Group Size\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\n            6+ Recommended\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eTemperament\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\n            Peaceful \u0026amp; Social\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr style=\"background: #f8f8f8;\"\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eDiet\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\n            Omnivore \/ Benthic Forager\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eTank Level\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\n            Bottom Dweller\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr style=\"background: #f8f8f8;\"\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCare Level\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\n            Beginner to Intermediate\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\n            Northern South America — Colombian \/ Orinoco-Region Trade Records\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- APPEARANCE --\u003e\n  \u003ch2 style=\"color: #016141; font-size: 24px; margin-top: 34px;\"\u003e\n    What Does a CW027 Cory Catfish Look Like?\n  \u003c\/h2\u003e\n\n  \u003cp\u003e\n    The \u003cstrong\u003eCW027 Cory Catfish\u003c\/strong\u003e has a relatively compact,\n    short-snouted body with a pale\n    \u003cstrong\u003esilver-gray, cream, beige, or lightly olive base color\u003c\/strong\u003e.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Dark markings run through or around the face, while numerous\n    \u003cstrong\u003eblack or dark brown spots\u003c\/strong\u003e cover much of the body.\n    Additional darker pigmentation can occur around the dorsal-fin region.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    The tail may also display darker striping or spotted banding,\n    contributing to the overall highly patterned appearance.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    What makes CW027 especially distinctive, however, is the combination\n    of its \u003cstrong\u003ehigh dorsal fin and bright nape marking\u003c\/strong\u003e.\n    Mature specimens can develop an exceptionally tall dorsal fin that\n    rises well above the normal body profile.\n  \u003c\/p\u003e\n\n  \u003c!-- HIGH FIN --\u003e\n  \u003ch2 style=\"color: #016141; font-size: 24px; margin-top: 34px;\"\u003e\n    Why Is CW027 Called the Highfin Spotted Cory?\n  \u003c\/h2\u003e\n\n  \u003cp\u003e\n    The common name \u003cstrong\u003eHighfin Spotted Cory\u003c\/strong\u003e describes the\n    two most obvious characteristics of adult CW027.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    First, the body is decorated with numerous dark spots and markings.\n    Second, adult fish can develop an\n    \u003cstrong\u003eunusually tall dorsal fin\u003c\/strong\u003e that is noticeably higher\n    than the dorsal fin of many similar short-snouted Cory species.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    When a mature CW027 fully raises its dorsal fin, the fish takes on\n    a distinctive high-backed silhouette that can become one of the\n    main visual features of a group.\n  \u003c\/p\u003e\n\n  \u003cdiv style=\"background: #f5faf8; border-left: 4px solid #016141; padding: 18px 20px; margin: 26px 0;\"\u003e\n    \u003cstrong style=\"color: #016141;\"\u003eCW027 Signature Feature:\u003c\/strong\u003e\n    \u003cp style=\"margin: 7px 0 0 0;\"\u003e\n      Look for the combination of a\n      \u003cstrong\u003every tall dorsal fin, bright nape “glowspot,” dark facial\n      markings, and numerous body spots\u003c\/strong\u003e. These features help\n      separate mature CW027 from several similar spotted Hoplisoma species.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- GLOWSPOT --\u003e\n  \u003ch2 style=\"color: #016141; font-size: 24px; margin-top: 34px;\"\u003e\n    What Is the CW027 Glowspot?\n  \u003c\/h2\u003e\n\n  \u003cp\u003e\n    Specialist aquarium importers use the term\n    \u003cstrong\u003e“glowspot”\u003c\/strong\u003e for the bright pale marking located on\n    the nape immediately behind the head.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    This lighter area contrasts strongly with the darker head,\n    dorsal region, and spotted body.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Aquarium Glaser has specifically noted that the CW027 glowspot is\n    \u003cstrong\u003emuch brighter than that of typical Hoplisoma brevirostre-type fish\u003c\/strong\u003e,\n    making it one of the most useful visual identification features.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    The contrast can become more obvious as the fish matures and settles\n    into stable aquarium conditions.\n  \u003c\/p\u003e\n\n  \u003c!-- BREVIR0STRE --\u003e\n  \u003ch2 style=\"color: #016141; font-size: 24px; margin-top: 34px;\"\u003e\n    CW027 vs. Hoplisoma Brevirostre\n  \u003c\/h2\u003e\n\n  \u003cp\u003e\n    CW027 has long been compared with\n    \u003cstrong\u003eHoplisoma brevirostre\u003c\/strong\u003e because the two have a\n    generally similar spotted color pattern.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    However, aquarium specialists have identified two particularly\n    noticeable differences.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    \u003cstrong\u003eCW027 develops a substantially taller dorsal fin\u003c\/strong\u003e\n    and typically has a much more strongly expressed pale glowspot\n    behind the head.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Until CW027 receives a formal scientific description,\n    it should therefore continue to be identified by its\n    \u003cstrong\u003eCW027 collector number\u003c\/strong\u003e rather than being automatically\n    labeled \u003cem\u003eHoplisoma brevirostre\u003c\/em\u003e.\n  \u003c\/p\u003e\n\n  \u003c!-- C154 --\u003e\n  \u003ch2 style=\"color: #016141; font-size: 24px; margin-top: 34px;\"\u003e\n    Is C154 the Same as CW027?\n  \u003c\/h2\u003e\n\n  \u003cp\u003e\n    Specialist Cory references currently associate\n    \u003cstrong\u003eC154 with CW027\u003c\/strong\u003e.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    ScotCat notes that C154 is considered to represent the\n    \u003cstrong\u003esemi-adult or younger stage of CW027\u003c\/strong\u003e, and its\n    identification listings connect the two codes.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Because CW027 remains scientifically undescribed, it is best to keep\n    the collector designation visible when listing or breeding these fish.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Aquarium labels may therefore appear as\n    \u003cstrong\u003eCW027\u003c\/strong\u003e, \u003cstrong\u003eC154\u003c\/strong\u003e,\n    or \u003cstrong\u003eCW027\/C154\u003c\/strong\u003e.\n  \u003c\/p\u003e\n\n  \u003c!-- WOTROI CONFUSION --\u003e\n  \u003ch2 style=\"color: #016141; font-size: 24px; margin-top: 34px;\"\u003e\n    Is CW027 the Same as Wotroi Cory?\n  \u003c\/h2\u003e\n\n  \u003cp\u003e\n    Some aquarium retailers use the trade name\n    \u003cstrong\u003e“Wotroi Cory”\u003c\/strong\u003e for CW027, but this can create\n    taxonomic confusion.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    The formally described species\n    \u003cstrong\u003e\u003cem\u003eHoplisoma wotroi\u003c\/em\u003e\u003c\/strong\u003e is associated with the\n    \u003cstrong\u003eSaramacca River system of Suriname\u003c\/strong\u003e.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    CW027, by contrast, is maintained as a separate undescribed\n    \u003cstrong\u003eHoplisoma sp. CW027\u003c\/strong\u003e in specialist Cory databases\n    and has been commercially imported from Colombia.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    For accurate product identification, the names\n    \u003cstrong\u003eCW027 Cory\u003c\/strong\u003e or\n    \u003cstrong\u003eCW027 Highfin Spotted Cory\u003c\/strong\u003e are therefore preferable\n    to simply calling this fish Wotroi Cory.\n  \u003c\/p\u003e\n\n  \u003c!-- CW NUMBER --\u003e\n  \u003ch2 style=\"color: #016141; font-size: 24px; margin-top: 34px;\"\u003e\n    What Does CW027 Mean?\n  \u003c\/h2\u003e\n\n  \u003cp\u003e\n    \u003cstrong\u003eCW027\u003c\/strong\u003e, often shortened to \u003cstrong\u003eCW27\u003c\/strong\u003e,\n    is the Corydoras World identification number assigned to this\n    still-undescribed Corydoradinae catfish.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    CW numbers allow aquarists, breeders, importers, and researchers\n    to consistently identify distinctive populations before they receive\n    formal scientific species descriptions.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    This is especially important for CW027 because it belongs to a group\n    containing several visually similar spotted \u003cem\u003eHoplisoma\u003c\/em\u003e.\n  \u003c\/p\u003e\n\n  \u003c!-- TAXONOMY --\u003e\n  \u003ch2 style=\"color: #016141; font-size: 24px; margin-top: 34px;\"\u003e\n    Why Is CW027 Now Hoplisoma sp. CW027?\n  \u003c\/h2\u003e\n\n  \u003cp\u003e\n    CW027 was historically listed as\n    \u003cstrong\u003e\u003cem\u003eCorydoras sp. CW027\u003c\/em\u003e\u003c\/strong\u003e.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Modern phylogenetic research demonstrated that the traditional broad\n    genus \u003cem\u003eCorydoras\u003c\/em\u003e contained several different evolutionary lineages.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    The major 2024 revision of Corydoradinae placed the large\n    short-snouted Lineage 9 group in the resurrected genus\n    \u003cstrong\u003e\u003cem\u003eHoplisoma\u003c\/em\u003e\u003c\/strong\u003e.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Corydoras World now lists this fish as\n    \u003cstrong\u003e\u003cem\u003eHoplisoma sp. CW027\u003c\/em\u003e\u003c\/strong\u003e.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Because CW027 is still undescribed, no formal species epithet should\n    be added until a scientific description establishes one.\n  \u003c\/p\u003e\n\n  \u003c!-- ORIGIN --\u003e\n  \u003ch2 style=\"color: #016141; font-size: 24px; margin-top: 34px;\"\u003e\n    Where Do CW027 Cory Catfish Come From?\n  \u003c\/h2\u003e\n\n  \u003cp\u003e\n    Current specialist records place CW027 in\n    \u003cstrong\u003enorthern South America\u003c\/strong\u003e.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    ScotCat lists the fish from \u003cstrong\u003eColombia\u003c\/strong\u003e, and Aquarium Glaser\n    documented commercial imports of CW027 from Colombia in 2022.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Older hobby literature has also associated CW027\/C154 material with\n    the broader \u003cstrong\u003eOrinoco region\u003c\/strong\u003e, including Venezuelan material.\n    Because this fish remains undescribed and detailed locality information\n    has not always accompanied aquarium imports, a highly specific single\n    river locality should not be assumed without collection data.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Preserving importer or breeder locality information is especially\n    valuable for collectors working with CW027.\n  \u003c\/p\u003e\n\n  \u003c!-- BEHAVIOR --\u003e\n  \u003ch2 style=\"color: #016141; font-size: 24px; margin-top: 34px;\"\u003e\n    CW027 Cory Behavior \u0026amp; Group Size\n  \u003c\/h2\u003e\n\n  \u003cp\u003e\n    CW027 Corys are\n    \u003cstrong\u003epeaceful, social bottom-dwelling fish\u003c\/strong\u003e and should\n    not be maintained individually.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Keep at least \u003cstrong\u003e6 CW027 Cory Catfish\u003c\/strong\u003e together.\n    Groups of eight or more can be even more impressive when aquarium\n    space and availability allow.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    A comfortable group will spend much of its time searching over the\n    substrate, resting together around wood or plants, and moving across\n    open sections of the aquarium.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Like other Corydoradinae catfish, CW027 may occasionally make a\n    quick trip to the surface to gulp atmospheric air before returning\n    to the bottom. Occasional surface visits are normal behavior.\n  \u003c\/p\u003e\n\n  \u003c!-- TANK SETUP --\u003e\n  \u003ch2 style=\"color: #016141; font-size: 24px; margin-top: 34px;\"\u003e\n    Ideal Aquarium Setup for CW027 Cory Catfish\n  \u003c\/h2\u003e\n\n  \u003cp\u003e\n    A \u003cstrong\u003e20–30 gallon or larger freshwater aquarium\u003c\/strong\u003e\n    provides a practical starting point for a group of six or more CW027.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Horizontal bottom area is more valuable than excessive tank height\n    because the group spends much of its time exploring and foraging\n    along the substrate.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    A \u003cstrong\u003efine sand substrate\u003c\/strong\u003e is strongly recommended.\n    Smooth fine gravel may also be used when kept exceptionally clean,\n    but sharp or abrasive material should be avoided.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Driftwood, smooth rocks, roots, live plants, floating plants,\n    and dried leaves can provide shaded cover while leaving open sandy\n    sections for group foraging.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Moderate water movement and good surface agitation help provide the\n    \u003cstrong\u003eclean, oxygen-rich conditions\u003c\/strong\u003e preferred by active\n    Cory-type catfish.\n  \u003c\/p\u003e\n\n  \u003c!-- WATER --\u003e\n  \u003ch2 style=\"color: #016141; font-size: 24px; margin-top: 34px;\"\u003e\n    CW027 Cory Water Parameters\n  \u003c\/h2\u003e\n\n  \u003cp\u003e\n    Specialist references provide somewhat different temperature ranges\n    for CW027 depending on source and collection history.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    A practical aquarium range is approximately\n    \u003cstrong\u003e73–81°F (23–27°C)\u003c\/strong\u003e, with many imported fish doing\n    particularly well in the upper portion of that range.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    A pH around \u003cstrong\u003e6.0–7.2\u003c\/strong\u003e is suitable for general maintenance.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    More important than chasing one exact temperature or pH value is\n    providing \u003cstrong\u003eclean, stable, well-oxygenated water\u003c\/strong\u003e.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Keep CW027 in a fully cycled aquarium with effective biological\n    filtration and regular partial water changes. Ammonia and nitrite\n    should remain at zero.\n  \u003c\/p\u003e\n\n  \u003c!-- DIET --\u003e\n  \u003ch2 style=\"color: #016141; font-size: 24px; margin-top: 34px;\"\u003e\n    What Do CW027 Cory Catfish Eat?\n  \u003c\/h2\u003e\n\n  \u003cp\u003e\n    \u003cstrong\u003eCW027 Cory Catfish are omnivorous benthic foragers\u003c\/strong\u003e\n    and readily accept a varied aquarium diet.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Good staple and supplemental foods include:\n  \u003c\/p\u003e\n\n  \u003cul style=\"padding-left: 22px;\"\u003e\n    \u003cli\u003eHigh-quality sinking Cory pellets\u003c\/li\u003e\n    \u003cli\u003eBottom-feeder tablets or granules\u003c\/li\u003e\n    \u003cli\u003eBloodworms\u003c\/li\u003e\n    \u003cli\u003eBlackworms\u003c\/li\u003e\n    \u003cli\u003eBrine shrimp\u003c\/li\u003e\n    \u003cli\u003eDaphnia\u003c\/li\u003e\n    \u003cli\u003eTubifex\u003c\/li\u003e\n    \u003cli\u003eOther appropriately sized frozen or live foods\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003e\n    Make sure enough food reaches the substrate for every member of the\n    group, especially when CW027 is housed with fast-feeding midwater fish.\n  \u003c\/p\u003e\n\n  \u003cdiv style=\"background: #fff8e8; border-left: 4px solid #d49a17; padding: 16px 18px; margin: 20px 0;\"\u003e\n    \u003cstrong\u003eImportant:\u003c\/strong\u003e CW027 Cory Catfish should not be purchased\n    simply as aquarium “cleaner fish.” Although they naturally forage\n    along the substrate, they require intentional feeding with a complete\n    and varied diet. Cory catfish do not replace regular water changes,\n    substrate cleaning, or normal aquarium maintenance.\n  \u003c\/div\u003e\n\n  \u003c!-- TANK MATES --\u003e\n  \u003ch2 style=\"color: #016141; font-size: 24px; margin-top: 34px;\"\u003e\n    CW027 Cory Catfish Tank Mates\n  \u003c\/h2\u003e\n\n  \u003cp\u003e\n    The peaceful temperament of\n    \u003cstrong\u003eHoplisoma sp. CW027\u003c\/strong\u003e makes it suitable for many\n    freshwater community aquariums.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Potential tank mates include peaceful tetras, rasboras, pencilfish,\n    danios, small gouramis, peaceful dwarf cichlids, and other non-aggressive\n    freshwater species with compatible temperature requirements.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Other peaceful Cory-type catfish may also be compatible, but they\n    do not replace the need for a proper social group of CW027 themselves.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Avoid large predatory fish, highly territorial bottom dwellers,\n    and aggressive species that may intimidate or injure them.\n  \u003c\/p\u003e\n\n  \u003c!-- SEXING --\u003e\n  \u003ch2 style=\"color: #016141; font-size: 24px; margin-top: 34px;\"\u003e\n    Male vs. Female CW027 Cory Catfish\n  \u003c\/h2\u003e\n\n  \u003cp\u003e\n    Mature CW027 become easier to sex once they reach adult size.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    \u003cstrong\u003eAdult males\u003c\/strong\u003e generally remain slimmer and reach\n    approximately \u003cstrong\u003e2.25 inches\u003c\/strong\u003e.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    \u003cstrong\u003eAdult females\u003c\/strong\u003e can reach approximately\n    \u003cstrong\u003e2.5 inches\u003c\/strong\u003e and become noticeably broader through\n    the abdomen, especially when viewed from above.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Juveniles can be difficult to sex reliably, so mature body shape is\n    generally more useful than coloration alone.\n  \u003c\/p\u003e\n\n  \u003c!-- WHY CHOOSE --\u003e\n  \u003ch2 style=\"color: #016141; font-size: 24px; margin-top: 34px;\"\u003e\n    Why Choose CW027 Cory Catfish?\n  \u003c\/h2\u003e\n\n  \u003cul style=\"padding-left: 22px;\"\u003e\n    \u003cli\u003e\u003cstrong\u003eExceptionally tall highfin dorsal profile\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eBright contrasting nape “glowspot”\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003eAttractive dark spotted body pattern\u003c\/li\u003e\n    \u003cli\u003eStrong facial and dorsal-region markings\u003c\/li\u003e\n    \u003cli\u003eHistoric CW027 \/ CW27 collector identification\u003c\/li\u003e\n    \u003cli\u003eClosely associated with the C154 hobby code\u003c\/li\u003e\n    \u003cli\u003ePeaceful social temperament\u003c\/li\u003e\n    \u003cli\u003eStill-undescribed specialty Hoplisoma species\u003c\/li\u003e\n    \u003cli\u003eExcellent choice for Cory and Hoplisoma collectors\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003c!-- BEFORE BUYING --\u003e\n  \u003cdiv style=\"background: #f5faf8; border: 1px solid #d8e8e2; padding: 20px; margin: 30px 0; border-radius: 5px;\"\u003e\n    \u003ch2 style=\"color: #016141; font-size: 21px; margin: 0 0 10px 0;\"\u003e\n      Before Buying CW027 Cory Catfish\n    \u003c\/h2\u003e\n\n    \u003cp style=\"margin: 0;\"\u003e\n      CW027 Corys are social fish and should not be kept alone.\n      Plan to keep \u003cstrong\u003eat least 6 fish\u003c\/strong\u003e and introduce them only\n      to a mature, fully cycled aquarium. Provide fine sand, clean\n      well-oxygenated water, peaceful tank mates, natural cover, and a varied\n      diet. Because CW027 remains scientifically undescribed, preserve the\n      CW027 identification and any available locality or breeder information,\n      especially if you plan to breed the fish.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- FAQ --\u003e\n  \u003ch2 style=\"color: #016141; font-size: 24px; margin-top: 34px;\"\u003e\n    CW027 Cory Catfish FAQ\n  \u003c\/h2\u003e\n\n  \u003cdetails style=\"border-bottom: 1px solid #ddd; padding: 13px 0;\"\u003e\n    \u003csummary style=\"cursor: pointer; font-weight: 700; color: #016141;\"\u003e\n      What is a CW027 Cory Catfish?\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 10px 0 5px 0;\"\u003e\n      CW027 is a still-undescribed short-snouted Cory-type catfish from\n      northern South America. It is known for its spotted body, dark facial\n      markings, bright nape spot, and unusually tall dorsal fin. Its modern\n      hobby designation is \u003cem\u003eHoplisoma sp. CW027\u003c\/em\u003e.\n    \u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"border-bottom: 1px solid #ddd; padding: 13px 0;\"\u003e\n    \u003csummary style=\"cursor: pointer; font-weight: 700; color: #016141;\"\u003e\n      Is CW027 now Hoplisoma sp. CW027?\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 10px 0 5px 0;\"\u003e\n      Yes. It was historically listed as \u003cem\u003eCorydoras sp. CW027\u003c\/em\u003e.\n      Following the 2024 revision of Corydoradinae, its Lineage 9 group\n      is placed in the genus \u003cem\u003eHoplisoma\u003c\/em\u003e, making\n      \u003cem\u003eHoplisoma sp. CW027\u003c\/em\u003e the appropriate modern designation.\n    \u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"border-bottom: 1px solid #ddd; padding: 13px 0;\"\u003e\n    \u003csummary style=\"cursor: pointer; font-weight: 700; color: #016141;\"\u003e\n      What does CW027 mean?\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 10px 0 5px 0;\"\u003e\n      CW027 is the Corydoras World identification number assigned to\n      this scientifically undescribed fish. The number allows breeders,\n      importers, and aquarists to consistently identify the taxon until\n      a formal species description is published.\n    \u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"border-bottom: 1px solid #ddd; padding: 13px 0;\"\u003e\n    \u003csummary style=\"cursor: pointer; font-weight: 700; color: #016141;\"\u003e\n      Why is CW027 called the Highfin Spotted Cory?\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 10px 0 5px 0;\"\u003e\n      Mature CW027 can develop an exceptionally tall dorsal fin while\n      the body carries numerous dark spots. These two characteristics\n      inspired the Highfin Spotted Cory trade name.\n    \u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"border-bottom: 1px solid #ddd; padding: 13px 0;\"\u003e\n    \u003csummary style=\"cursor: pointer; font-weight: 700; color: #016141;\"\u003e\n      What is the bright spot behind the head of CW027?\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 10px 0 5px 0;\"\u003e\n      Specialist importers describe this pale nape marking as a\n      “glowspot.” CW027 can develop a particularly bright glowspot,\n      which helps distinguish it from similar brevirostre-type Corys.\n    \u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"border-bottom: 1px solid #ddd; padding: 13px 0;\"\u003e\n    \u003csummary style=\"cursor: pointer; font-weight: 700; color: #016141;\"\u003e\n      Is C154 the same as CW027?\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 10px 0 5px 0;\"\u003e\n      Current specialist Cory references commonly connect C154 with CW027.\n      C154 has been interpreted as representing a semi-adult or younger\n      stage of the same taxon. Because the fish remains undescribed,\n      the CW027 designation should still be preserved.\n    \u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"border-bottom: 1px solid #ddd; padding: 13px 0;\"\u003e\n    \u003csummary style=\"cursor: pointer; font-weight: 700; color: #016141;\"\u003e\n      Is CW027 the same as Hoplisoma brevirostre?\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 10px 0 5px 0;\"\u003e\n      CW027 strongly resembles \u003cem\u003eHoplisoma brevirostre\u003c\/em\u003e, but\n      specialist references continue to maintain CW027 as an undescribed\n      taxon. CW027 is especially noted for its much taller dorsal fin\n      and brighter nape glowspot.\n    \u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"border-bottom: 1px solid #ddd; padding: 13px 0;\"\u003e\n    \u003csummary style=\"cursor: pointer; font-weight: 700; color: #016141;\"\u003e\n      Is CW027 the same as Wotroi Cory?\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 10px 0 5px 0;\"\u003e\n      Some aquarium sellers use “Wotroi Cory” for CW027, but true\n      \u003cem\u003eHoplisoma wotroi\u003c\/em\u003e is a formally named fish from the\n      Saramacca River system of Suriname. For accurate identification,\n      CW027 is better listed as \u003cem\u003eHoplisoma sp. CW027\u003c\/em\u003e.\n    \u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"border-bottom: 1px solid #ddd; padding: 13px 0;\"\u003e\n    \u003csummary style=\"cursor: pointer; font-weight: 700; color: #016141;\"\u003e\n      How big do CW027 Cory Catfish get?\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 10px 0 5px 0;\"\u003e\n      Specialist references report approximately\n      \u003cstrong\u003e2.25 inches for mature males\u003c\/strong\u003e and up to around\n      \u003cstrong\u003e2.5 inches for females\u003c\/strong\u003e.\n    \u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"border-bottom: 1px solid #ddd; padding: 13px 0;\"\u003e\n    \u003csummary style=\"cursor: pointer; font-weight: 700; color: #016141;\"\u003e\n      How many CW027 Corys should be kept together?\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 10px 0 5px 0;\"\u003e\n      Keep at least \u003cstrong\u003e6 CW027 Cory Catfish\u003c\/strong\u003e together.\n      They are social fish and generally display more confident,\n      natural behavior when maintained in a proper group.\n    \u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"border-bottom: 1px solid #ddd; padding: 13px 0;\"\u003e\n    \u003csummary style=\"cursor: pointer; font-weight: 700; color: #016141;\"\u003e\n      What temperature is best for CW027 Cory Catfish?\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 10px 0 5px 0;\"\u003e\n      A practical aquarium range is approximately\n      \u003cstrong\u003e73–81°F (23–27°C)\u003c\/strong\u003e, with pH around\n      \u003cstrong\u003e6.0–7.2\u003c\/strong\u003e. Stable, clean, oxygen-rich water is\n      more important than constantly adjusting parameters.\n    \u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"border-bottom: 1px solid #ddd; padding: 13px 0;\"\u003e\n    \u003csummary style=\"cursor: pointer; font-weight: 700; color: #016141;\"\u003e\n      Where do CW027 Cory Catfish come from?\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 10px 0 5px 0;\"\u003e\n      Specialist databases list CW027 from northern South America,\n      particularly Colombia, and Aquarium Glaser has documented imports\n      from Colombia. Older aquarium literature has also associated CW027\/C154\n      material with the broader Orinoco region.\n    \u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"border-bottom: 1px solid #ddd; padding: 13px 0;\"\u003e\n    \u003csummary style=\"cursor: pointer; font-weight: 700; color: #016141;\"\u003e\n      Are CW027 Cory Catfish peaceful?\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 10px 0 5px 0;\"\u003e\n      Yes. CW027 is a peaceful social catfish suitable for community\n      aquariums containing calm tetras, rasboras, danios, pencilfish,\n      and other non-aggressive species with compatible care requirements.\n    \u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"border-bottom: 1px solid #ddd; padding: 13px 0;\"\u003e\n    \u003csummary style=\"cursor: pointer; font-weight: 700; color: #016141;\"\u003e\n      What do CW027 Cory Catfish eat?\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 10px 0 5px 0;\"\u003e\n      CW027 are omnivorous foragers. Feed quality sinking pellets,\n      tablets, or granules supplemented with frozen or live foods such\n      as bloodworms, blackworms, brine shrimp, daphnia, and Tubifex.\n    \u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails style=\"border-bottom: 1px solid #ddd; padding: 13px 0;\"\u003e\n    \u003csummary style=\"cursor: pointer; font-weight: 700; color: #016141;\"\u003e\n      Do CW027 Corys clean the aquarium?\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 10px 0 5px 0;\"\u003e\n      CW027 naturally forage along the aquarium floor, but they should\n      not be treated as aquarium maintenance animals. They require\n      intentional feeding, regular water changes, substrate cleaning,\n      and normal aquarium maintenance.\n    \u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- FINAL CTA --\u003e\n  \u003cdiv style=\"margin-top: 34px; padding: 22px; background: #016141; color: #fff; border-radius: 5px;\"\u003e\n    \u003ch2 style=\"color: #fff; font-size: 23px; margin: 0 0 10px 0;\"\u003e\n      CW027 Cory Catfish at Tropicflow Aquatic\n    \u003c\/h2\u003e\n\n    \u003cp style=\"margin: 0;\"\u003e\n      Add a distinctive highfin collector Cory to your freshwater aquarium\n      with the \u003cstrong\u003eCW027 Cory Catfish\u003c\/strong\u003e. With its unusually tall\n      dorsal fin, bright nape glowspot, attractive spotted pattern,\n      peaceful social behavior, and still-undescribed collector status,\n      \u003cstrong\u003eHoplisoma sp. CW027\u003c\/strong\u003e is an exceptional choice for\n      Cory enthusiasts, planted aquariums, and carefully maintained\n      freshwater community tanks.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Tropicflow","offers":[{"title":"1 Fish","offer_id":52695072014634,"sku":null,"price":14.99,"currency_code":"USD","in_stock":false},{"title":"3 Fish","offer_id":52695072047402,"sku":null,"price":49.99,"currency_code":"USD","in_stock":false},{"title":"6 Fish – Recommended","offer_id":52695072080170,"sku":null,"price":99.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0667\/6237\/5466\/files\/CW027CoryCatfish_Hoplisomasp.CW027.jpg?v=1789928087","url":"https:\/\/tropicflow.com\/products\/cw027-cory-catfish-hoplisoma-sp-cw027","provider":"Tropicflow","version":"1.0","type":"link"}