{"product_id":"c065-guarana-cory-catfish-corydoras-eversi","title":"C065 Guarana Cory Catfish – Corydoras Eversi","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\u003eC065 Guarana Cory Catfish (Corydoras eversi)\u003c\/strong\u003e is a\n      distinctive Brazilian Cory known for its\n      \u003cstrong\u003eintense orange body, dense dark spotting, and greenish-yellow iridescent sheen\u003c\/strong\u003e.\n      Originally known to aquarists as \u003cstrong\u003eC65\/C065\u003c\/strong\u003e and\n      \u003cstrong\u003eCorydoras sp. “Guaraná”\u003c\/strong\u003e, it was formally described in 2016\n      and is now scientifically classified as \u003cstrong\u003eHoplisoma eversi\u003c\/strong\u003e.\n      Growing to approximately \u003cstrong\u003e1.75–2.25 inches\u003c\/strong\u003e, this peaceful\n      social catfish should be maintained in groups of at least\n      \u003cstrong\u003e6 fish\u003c\/strong\u003e in a mature freshwater aquarium with fine sand,\n      clean water, good oxygenation, and peaceful tank mates.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- INTRO --\u003e\n  \u003cp\u003e\n    The \u003cstrong\u003eC065 Guarana Cory Catfish (Corydoras eversi)\u003c\/strong\u003e is one of\n    the more colorful and historically interesting Cory-type catfish in the\n    aquarium hobby.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Its combination of \u003cstrong\u003ebright orange coloration, numerous irregular\n    dark spots, and metallic green-yellow iridescence\u003c\/strong\u003e gives the fish\n    an appearance very different from many traditional silver, bronze, or\n    black-and-white Cory species.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Before receiving a formal scientific name, this fish was widely known as\n    \u003cstrong\u003eCorydoras sp. C65\u003c\/strong\u003e, \u003cstrong\u003eC065\u003c\/strong\u003e,\n    \u003cstrong\u003eGuarana Cory\u003c\/strong\u003e, and occasionally\n    \u003cstrong\u003eSoda Pop Cory\u003c\/strong\u003e.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    The name “Guarana” refers to the vivid reddish-orange or orange coloration\n    displayed by live specimens, which reminded Brazilian collectors of\n    popular guaraná-colored beverages.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    \u003cstrong\u003eTaxonomy note:\u003c\/strong\u003e The species was formally described in 2016\n    as \u003cem\u003eCorydoras eversi\u003c\/em\u003e. Following the major 2024 revision of\n    Corydoradinae, it was transferred to the genus \u003cem\u003eHoplisoma\u003c\/em\u003e.\n    Its current accepted scientific name is therefore\n    \u003cstrong\u003e\u003cem\u003eHoplisoma eversi\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    C065 Guarana 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            C065 Guarana 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            Guarana Cory, C065 Cory, C65 Cory, Soda Pop 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\u003eTraditional Scientific Name\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\n            \u003cem\u003eCorydoras eversi\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\u003eCurrent Scientific Name\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\n            \u003cem\u003eHoplisoma eversi\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\u003eFormer Hobby Name\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\n            \u003cem\u003eCorydoras sp. “Guaraná”\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\u003eC-Number\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\n            C065 \/ C65\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\u003eAdult Size\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\n            Males ~1.75 inches; Females up to ~2.25 inches\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\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            71–79°F (22–26°C)\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\u003epH Range\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\n            6.0–7.5\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\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            Clean, Stable, Soft to Moderately Hard Water\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 Tank Size\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 11px 14px; border: 1px solid #ddd;\"\u003e\n            20+ Gallons 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\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 style=\"background: #f8f8f8;\"\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\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 style=\"background: #f8f8f8;\"\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\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 style=\"background: #f8f8f8;\"\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            Rio Araguaia Basin, Goiás, Brazil\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 C065 Guarana Cory Catfish Look Like?\n  \u003c\/h2\u003e\n\n  \u003cp\u003e\n    The \u003cstrong\u003eC065 Guarana Cory\u003c\/strong\u003e is a short-snouted Cory with\n    one of the more distinctive warm color palettes in the group.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Live specimens can develop an\n    \u003cstrong\u003eintense orange to reddish-orange body\u003c\/strong\u003e covered with\n    numerous irregular dark brown or black spots.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    The dark markings are especially dense across the dorsal and lateral\n    portions of the body and can align into irregular longitudinal rows\n    or broken stripes.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    A beautiful \u003cstrong\u003egreenish-yellow iridescent sheen\u003c\/strong\u003e can overlay\n    the orange base coloration, creating a metallic appearance under good\n    aquarium lighting.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    The fins may also contain irregular dark spotting. Tail-fin patterning\n    can vary, with most individuals showing scattered markings rather than\n    strong solid vertical bands.\n  \u003c\/p\u003e\n\n  \u003c!-- WHY GUARANA --\u003e\n  \u003ch2 style=\"color: #016141; font-size: 24px; margin-top: 34px;\"\u003e\n    Why Is C065 Called the Guarana Cory?\n  \u003c\/h2\u003e\n\n  \u003cp\u003e\n    The name \u003cstrong\u003eGuarana Cory\u003c\/strong\u003e comes directly from the bright\n    orange or reddish-orange coloration of living specimens.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Brazilian collectors compared this intense color with the appearance\n    of popular \u003cstrong\u003eguaraná beverages\u003c\/strong\u003e, and the aquarium fish\n    became known as \u003cem\u003eCorydoras\u003c\/em\u003e sp. “Guaraná” long before it received\n    a formal scientific name.\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;\"\u003eGuarana Cory Feature:\u003c\/strong\u003e\n    \u003cp style=\"margin: 7px 0 0 0;\"\u003e\n      The combination of an \u003cstrong\u003eintense orange body, dense irregular\n      dark spotting, and greenish-yellow iridescence\u003c\/strong\u003e makes\n      C065 immediately recognizable among many Cory-type catfish.\n      Newly shipped or stressed fish may temporarily display weaker coloration\n      before settling into stable aquarium conditions.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- C065 HISTORY --\u003e\n  \u003ch2 style=\"color: #016141; font-size: 24px; margin-top: 34px;\"\u003e\n    What Does C065 Mean?\n  \u003c\/h2\u003e\n\n  \u003cp\u003e\n    \u003cstrong\u003eC065\u003c\/strong\u003e, commonly shortened to \u003cstrong\u003eC65\u003c\/strong\u003e,\n    was the aquarium hobby identification code assigned to this fish before\n    it had a formal scientific name.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    The species entered the aquarium hobby after specimens were collected\n    in the \u003cstrong\u003eRio Araguaia drainage of Brazil in 1998\u003c\/strong\u003e.\n    For many years, aquarists knew the fish primarily as\n    \u003cem\u003eCorydoras\u003c\/em\u003e sp. C65 or \u003cem\u003eCorydoras\u003c\/em\u003e sp. “Guaraná.”\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    In 2016, Luiz Tencatt and Marcelo Britto formally described the species\n    as \u003cstrong\u003e\u003cem\u003eCorydoras eversi\u003c\/em\u003e\u003c\/strong\u003e, ending the need for a\n    temporary coded scientific identity.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    The C065 designation remains widely recognized by Cory collectors,\n    breeders, and specialty aquarium retailers.\n  \u003c\/p\u003e\n\n  \u003c!-- EVERSI NAME --\u003e\n  \u003ch2 style=\"color: #016141; font-size: 24px; margin-top: 34px;\"\u003e\n    Why Is It Named Corydoras Eversi?\n  \u003c\/h2\u003e\n\n  \u003cp\u003e\n    The species name \u003cstrong\u003e\u003cem\u003eeversi\u003c\/em\u003e\u003c\/strong\u003e honors\n    German aquarist and Cory specialist\n    \u003cstrong\u003eHans-Georg Evers\u003c\/strong\u003e.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Evers collected the specimens from Brazil that ultimately formed the\n    basis for both the aquarium population and the later scientific\n    description of the species.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    His work with Corydoradinae catfish, including collecting,\n    identifying, breeding, and documenting species, has played an important\n    role in the modern aquarium understanding of this group.\n  \u003c\/p\u003e\n\n  \u003c!-- TAXONOMY --\u003e\n  \u003ch2 style=\"color: #016141; font-size: 24px; margin-top: 34px;\"\u003e\n    Is Corydoras Eversi Now Hoplisoma Eversi?\n  \u003c\/h2\u003e\n\n  \u003cp\u003e\n    Yes. The fish was formally described in 2016 as\n    \u003cstrong\u003e\u003cem\u003eCorydoras eversi\u003c\/em\u003e\u003c\/strong\u003e.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Modern phylogenetic research showed that the old broad\n    \u003cem\u003eCorydoras\u003c\/em\u003e genus contained several distinct evolutionary lineages.\n    The major 2024 revision of Corydoradinae transferred this short-snouted\n    lineage into the resurrected genus \u003cem\u003eHoplisoma\u003c\/em\u003e.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    The currently accepted scientific combination is therefore\n    \u003cstrong\u003e\u003cem\u003eHoplisoma eversi\u003c\/em\u003e\u003c\/strong\u003e.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Because \u003cem\u003eCorydoras eversi\u003c\/em\u003e and C065 remain widely used in\n    aquarium searches, retaining those names on a product page is useful\n    for customer recognition while the current scientific name is also provided.\n  \u003c\/p\u003e\n\n  \u003c!-- VS ARAGUAIAENSIS --\u003e\n  \u003ch2 style=\"color: #016141; font-size: 24px; margin-top: 34px;\"\u003e\n    C065 Guarana Cory vs. Araguaia Cory\n  \u003c\/h2\u003e\n\n  \u003cp\u003e\n    C065 has historically been compared with\n    \u003cstrong\u003eCorydoras araguaiaensis\u003c\/strong\u003e because both come from the\n    Rio Araguaia system and share a spotted overall pattern.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Before C065 was formally described, some material was even referred\n    to as a form related to \u003cem\u003eC. araguaiaensis\u003c\/em\u003e.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Detailed morphological examination later demonstrated that C065\n    represents a separate species. The formal description of\n    \u003cem\u003eCorydoras eversi\u003c\/em\u003e identified differences in skull structure,\n    body plating, pectoral-spine serration, and color pattern.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    For aquarium identification, C065 is especially recognizable by its\n    \u003cstrong\u003eintense orange live coloration combined with dense irregular\n    dark spotting\u003c\/strong\u003e.\n  \u003c\/p\u003e\n\n  \u003c!-- ORIGIN --\u003e\n  \u003ch2 style=\"color: #016141; font-size: 24px; margin-top: 34px;\"\u003e\n    Where Do C065 Guarana Cory Catfish Come From?\n  \u003c\/h2\u003e\n\n  \u003cp\u003e\n    \u003cstrong\u003eHoplisoma eversi\u003c\/strong\u003e is known scientifically from an\n    unnamed stream tributary of the\n    \u003cstrong\u003eRio Araguaia near Montes Claros de Goiás, Goiás State, Brazil\u003c\/strong\u003e.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    This locality lies within central Brazil and forms part of the larger\n    Tocantins-Araguaia drainage system.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    The species may potentially occur more widely in nearby streams,\n    but its confirmed scientific records are centered around the original\n    collection locality.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Because locality data for this species are relatively specific,\n    accurate identification and breeder records are valuable for maintaining\n    the integrity of captive populations.\n  \u003c\/p\u003e\n\n  \u003c!-- BEHAVIOR --\u003e\n  \u003ch2 style=\"color: #016141; font-size: 24px; margin-top: 34px;\"\u003e\n    C065 Guarana Cory Behavior \u0026amp; Group Size\n  \u003c\/h2\u003e\n\n  \u003cp\u003e\n    Guarana Corys are\n    \u003cstrong\u003epeaceful, social bottom-dwelling fish\u003c\/strong\u003e and should not\n    be kept alone.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Keep at least \u003cstrong\u003e6 C065 Guarana Cory Catfish\u003c\/strong\u003e together.\n    A proper group encourages more confident activity and allows the fish\n    to display their natural social behavior.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    They can be maintained with calm community fish of similar size and\n    temperament, provided the aquarium offers enough bottom space and\n    food reaches the entire Cory group.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Like other Corydoradinae catfish, Guarana Corys may occasionally\n    make a rapid trip to the surface to gulp atmospheric air before\n    returning to the substrate. 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 C065 Guarana Cory Catfish\n  \u003c\/h2\u003e\n\n  \u003cp\u003e\n    A \u003cstrong\u003e20-gallon long aquarium or larger\u003c\/strong\u003e provides a\n    practical starting point for a group of six or more Guarana Corys.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Horizontal bottom space is more useful than excessive aquarium height\n    because these fish spend much of their time exploring and searching\n    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 work if carefully maintained, but sharp\n    or abrasive material should be avoided.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Driftwood, roots, smooth stones, dried leaves, and live plants can\n    provide useful cover while open sections of sand allow natural\n    group-foraging behavior.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    The bright orange and metallic coloration of C065 can be especially\n    striking against dark driftwood, green plants, and neutral-colored sand.\n  \u003c\/p\u003e\n\n  \u003c!-- WATER --\u003e\n  \u003ch2 style=\"color: #016141; font-size: 24px; margin-top: 34px;\"\u003e\n    C065 Guarana Cory Water Parameters\n  \u003c\/h2\u003e\n\n  \u003cp\u003e\n    A practical aquarium temperature range for the Guarana Cory is\n    approximately \u003cstrong\u003e71–79°F (22–26°C)\u003c\/strong\u003e.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    A pH around \u003cstrong\u003e6.0–7.5\u003c\/strong\u003e works well for general maintenance,\n    provided water conditions remain stable.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    More important than attempting to reach one precise number is maintaining\n    \u003cstrong\u003eclean, stable, well-oxygenated water\u003c\/strong\u003e.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Keep the aquarium fully cycled with effective biological filtration\n    and regular water changes. Ammonia and nitrite should remain at zero.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Consistently good water quality, low stress, and a nutritious diet\n    can also help Guarana Corys display stronger natural coloration.\n  \u003c\/p\u003e\n\n  \u003c!-- DIET --\u003e\n  \u003ch2 style=\"color: #016141; font-size: 24px; margin-top: 34px;\"\u003e\n    What Do C065 Guarana Cory Catfish Eat?\n  \u003c\/h2\u003e\n\n  \u003cp\u003e\n    \u003cstrong\u003eGuarana Corys are omnivorous bottom foragers\u003c\/strong\u003e and\n    should receive a varied diet specifically provided for them.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    High-quality sinking pellets, tablets, or granules can form the\n    foundation of the diet. Supplement prepared foods with appropriately\n    sized frozen or live foods such as:\n  \u003c\/p\u003e\n\n  \u003cul style=\"padding-left: 22px;\"\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 sinking foods\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003e\n    A varied diet helps maintain strong body condition and may contribute\n    to the rich orange and metallic coloration seen in healthy adult 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 C065 Guarana Corys should not be purchased\n    simply as aquarium “cleaner fish.” Although they naturally search the\n    substrate for food, they require intentional feeding with a complete\n    diet. Cory catfish do not replace regular water changes, substrate\n    cleaning, and 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    C065 Guarana Cory Tank Mates\n  \u003c\/h2\u003e\n\n  \u003cp\u003e\n    The peaceful temperament of the\n    \u003cstrong\u003eC065 Guarana Cory Catfish\u003c\/strong\u003e makes it suitable for many\n    freshwater community aquariums.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Potential tank mates may include peaceful tetras, rasboras,\n    pencilfish, small danios, peaceful dwarf cichlids, small gouramis,\n    other compatible Cory-type catfish, and similarly sized\n    non-aggressive freshwater species.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Avoid large predatory fish, aggressive bottom dwellers, and highly\n    competitive species that may intimidate the group or prevent the\n    Guarana Corys from receiving enough food.\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 C065 Guarana Cory\n  \u003c\/h2\u003e\n\n  \u003cp\u003e\n    Mature males and females become easier to distinguish as the fish\n    reach adult size.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    \u003cstrong\u003eAdult males\u003c\/strong\u003e generally remain smaller and slimmer,\n    reaching approximately \u003cstrong\u003e1.75 inches\u003c\/strong\u003e.\n    Their pelvic fins are more pointed, and the first branched dorsal-fin\n    rays can be slightly longer.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    \u003cstrong\u003eAdult females\u003c\/strong\u003e can reach approximately\n    \u003cstrong\u003e2.25 inches\u003c\/strong\u003e and develop a broader, fuller abdomen,\n    especially when viewed from above.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Female pelvic fins are generally more rounded, a feature associated\n    with holding eggs during the characteristic Cory spawning process.\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 C065 Guarana Cory Catfish?\n  \u003c\/h2\u003e\n\n  \u003cul style=\"padding-left: 22px;\"\u003e\n    \u003cli\u003e\u003cstrong\u003eIntense orange-to-reddish body coloration\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eDense irregular black spotting\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003eBeautiful greenish-yellow metallic iridescence\u003c\/li\u003e\n    \u003cli\u003eHistoric C065 \/ C65 collector identification\u003c\/li\u003e\n    \u003cli\u003ePeaceful temperament for freshwater community aquariums\u003c\/li\u003e\n    \u003cli\u003eManageable adult size around 1.75–2.25 inches\u003c\/li\u003e\n    \u003cli\u003eSocial behavior when maintained in a proper group\u003c\/li\u003e\n    \u003cli\u003eDistinct Rio Araguaia locality history\u003c\/li\u003e\n    \u003cli\u003eExcellent choice for Cory and Hoplisoma enthusiasts\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 C065 Guarana Cory Catfish\n    \u003c\/h2\u003e\n\n    \u003cp style=\"margin: 0;\"\u003e\n      Guarana Corys are social fish and should not be kept alone.\n      Plan to keep \u003cstrong\u003e6 or more\u003c\/strong\u003e and introduce them only to\n      a mature, fully cycled aquarium. Provide fine sand, clean stable water,\n      good oxygenation, peaceful tank mates, natural cover, and a varied diet.\n      Color may appear lighter after shipping and can strengthen after the fish\n      settles into stable aquarium conditions.\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    C065 Guarana 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 C065 Guarana Cory Catfish?\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 10px 0 5px 0;\"\u003e\n      C065 Guarana Cory is a colorful Brazilian Cory-type catfish formerly\n      known as \u003cem\u003eCorydoras\u003c\/em\u003e sp. C65 or “Guaraná.” It was formally\n      described in 2016 as \u003cem\u003eCorydoras eversi\u003c\/em\u003e and is now scientifically\n      classified as \u003cem\u003eHoplisoma eversi\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 Corydoras eversi now Hoplisoma eversi?\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 10px 0 5px 0;\"\u003e\n      Yes. Following the 2024 revision of Corydoradinae,\n      \u003cem\u003eCorydoras eversi\u003c\/em\u003e was transferred to the genus\n      \u003cem\u003eHoplisoma\u003c\/em\u003e. The currently accepted scientific name is\n      \u003cem\u003eHoplisoma eversi\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      What does C065 mean?\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 10px 0 5px 0;\"\u003e\n      C065, also written C65, was the aquarium hobby identification number\n      assigned to this fish before it received a formal scientific name.\n      The code remains widely recognized among Cory collectors and breeders.\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 it called the Guarana Cory?\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 10px 0 5px 0;\"\u003e\n      The name refers to the intense shiny orange or reddish-orange color\n      of live specimens, which reminded Brazilian collectors of the color\n      associated with popular guaraná beverages.\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 Corydoras eversi named after Hans-Georg Evers?\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 10px 0 5px 0;\"\u003e\n      The species was named in honor of Cory specialist Hans-Georg Evers,\n      who collected the Brazilian specimens that became important to both\n      the aquarium population and the scientific description of the species.\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 color is a Guarana Cory?\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 10px 0 5px 0;\"\u003e\n      Healthy live Guarana Corys can display an intense orange body with\n      dense irregular dark spotting and a greenish-yellow iridescent sheen.\n      Color intensity can vary with genetics, age, lighting, stress,\n      diet, and aquarium conditions.\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 C065 Guarana Cory Catfish get?\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 10px 0 5px 0;\"\u003e\n      Adult males generally reach approximately\n      \u003cstrong\u003e1.75 inches\u003c\/strong\u003e, while mature females may grow to around\n      \u003cstrong\u003e2.25 inches\u003c\/strong\u003e and develop a broader body.\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 Guarana Corys should be kept together?\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 10px 0 5px 0;\"\u003e\n      Keep at least \u003cstrong\u003e6 C065 Guarana Corys\u003c\/strong\u003e together.\n      They are naturally social and generally display more confident and\n      active 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 Guarana Corys?\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 10px 0 5px 0;\"\u003e\n      A practical aquarium range is approximately\n      \u003cstrong\u003e71–79°F (22–26°C)\u003c\/strong\u003e, with a pH around\n      \u003cstrong\u003e6.0–7.5\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      Where do C065 Guarana Cory Catfish come from?\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 10px 0 5px 0;\"\u003e\n      The species is scientifically known from an unnamed tributary of the\n      \u003cstrong\u003eRio Araguaia near Montes Claros de Goiás, Goiás State, Brazil\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      Is the Guarana Cory the same as Corydoras araguaiaensis?\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 10px 0 5px 0;\"\u003e\n      No. C065 was historically compared with \u003cem\u003eCorydoras araguaiaensis\u003c\/em\u003e,\n      but detailed scientific examination demonstrated that it is a separate\n      species. C065 was formally described as \u003cem\u003eCorydoras eversi\u003c\/em\u003e in 2016.\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 C065 Guarana Cory Catfish peaceful?\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 10px 0 5px 0;\"\u003e\n      Yes. Guarana Corys are peaceful, social bottom-dwelling catfish and\n      can work well with calm freshwater community fish that share compatible\n      temperature and water 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 C065 Guarana Cory Catfish eat?\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 10px 0 5px 0;\"\u003e\n      Guarana Corys are omnivorous foragers. Feed quality sinking pellets,\n      tablets, or granules along with appropriately sized frozen or live foods\n      such 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 Guarana Corys clean the aquarium?\n    \u003c\/summary\u003e\n    \u003cp style=\"margin: 10px 0 5px 0;\"\u003e\n      Guarana Corys naturally forage along the aquarium floor but should not\n      be considered aquarium maintenance animals. They require intentional\n      feeding with nutritious foods along with regular water changes and\n      normal substrate cleaning.\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      C065 Guarana Cory Catfish at Tropicflow Aquatic\n    \u003c\/h2\u003e\n\n    \u003cp style=\"margin: 0;\"\u003e\n      Add one of the most colorful and historically fascinating Cory-type\n      catfish to your freshwater aquarium with the\n      \u003cstrong\u003eC065 Guarana Cory Catfish\u003c\/strong\u003e.\n      With its brilliant orange coloration, dense dark spotting,\n      metallic green-yellow sheen, peaceful temperament, and famous C065\n      collector history, \u003cstrong\u003eCorydoras eversi\u003c\/strong\u003e is an outstanding\n      choice for Cory enthusiasts, planted aquariums, and peaceful freshwater\n      community tanks.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n","brand":"Tropicflow","offers":[{"title":"1 Fish","offer_id":52690290049322,"sku":null,"price":14.99,"currency_code":"USD","in_stock":false},{"title":"3 Fish","offer_id":52690290082090,"sku":null,"price":49.99,"currency_code":"USD","in_stock":false},{"title":"6 Fish – Recommended","offer_id":52690290114858,"sku":null,"price":99.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0667\/6237\/5466\/files\/C065-Guarana-Cory-Catfish-Corydoras-Eversi.jpg?v=1789896162","url":"https:\/\/tropicflow.com\/products\/c065-guarana-cory-catfish-corydoras-eversi","provider":"Tropicflow","version":"1.0","type":"link"}