{"product_id":"redtail-shark-epalzeorhynchos-bicolor-freshwater","title":"Redtail Shark (Epalzeorhynchos bicolor)","description":"\u003cdiv style=\"font-family:Georgia,serif;color:#1a1a1a;max-width:860px;line-height:1.7;\"\u003e\n\u003cdiv style=\"background:#E3F2FD;border-left:4px solid #1E88E5;padding:10px 14px;margin:0 0 14px;font-size:0.95em;\"\u003e\n\u003cstrong\u003eIn-store pickup only.\u003c\/strong\u003e Your order is reserved, we hold off on bagging until you arrive so it stays healthy in its display tank.\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eRedtail Shark\u003c\/strong\u003e (\u003cem\u003eEpalzeorhynchos bicolor\u003c\/em\u003e) is one of the most striking contrasts in the freshwater hobby: a jet black body cut off by a blazing red-orange tail, patrolling the lower half of the tank like it owns the place, because as far as it is concerned, it does. Not a true shark but a bold, torpedo-shaped cyprinid, it makes an unforgettable centerpiece for a larger community tank when you respect its one big rule: one Redtail per tank. Our current juveniles are around 2 inches. Browse the rest of our \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/fresh-water\"\u003efreshwater livestock and supplies\u003c\/a\u003e to build the tank around it.\u003c\/p\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #1E88E5;padding-left:8px;\"\u003eCare Guide\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank size:\u003c\/strong\u003e 55 gallons or larger for an adult. Juveniles start peaceful, but a grown 6 inch fish patrols serious territory and needs room for tank mates to stay out of it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater parameters:\u003c\/strong\u003e 72 to 79°F, pH 6.8 to 7.5. Hardy and forgiving once established.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerritory:\u003c\/strong\u003e give it a cave or hollow it can claim, like the \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/hikari-dark-rock-cave-aquarium-hide-bettas-shrimp-plecos\"\u003eHikari Dark Rock Cave\u003c\/a\u003e, plus rockwork and driftwood that break up sight lines. A shark with a home base is far more relaxed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeeding:\u003c\/strong\u003e omnivore and part-time grazer. Rotate sinking pellets and gel food like \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/repashy-community-plus\"\u003eRepashy Community Plus\u003c\/a\u003e with vegetable matter; it will also rasp biofilm and some algae off surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLid required:\u003c\/strong\u003e a strong jumper, especially when startled or newly introduced.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor tip:\u003c\/strong\u003e the black deepens and the tail brightens with good food, clean water, and a fish that feels secure. A washed-out Redtail is a stressed Redtail.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #1E88E5;padding-left:8px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;max-width:640px;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003eScientific name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cem\u003eEpalzeorhynchos bicolor\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003eCommon names\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eRedtail Shark, Red-Tailed Black Shark\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003eCurrent size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eAbout 2 inches, juvenile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003eCare level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eIntermediate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003eTemperament\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eSemi-aggressive, territorial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003eMax size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eAbout 6 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003eMinimum tank\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e55 gallons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003eTemperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e72 to 79°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003epH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e6.8 to 7.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003eDiet\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eOmnivore, sinking foods plus grazing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eThailand, captive bred (extinct in the wild)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003ePickup\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eIn-store pickup at Squeaky's Aquatics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #1E88E5;padding-left:8px;\"\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eThe golden rule: \u003cstrong\u003eone Redtail Shark per tank, and no lookalikes.\u003c\/strong\u003e It will relentlessly chase its own kind, the closely related \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/rainbow-shark-epalzeorhynchos-frenatum-freshwater\"\u003eRainbow Shark\u003c\/a\u003e, and similar bottom-hugging fish like the \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/gold-chinese-algae-eater-gyrinocheilus-aymonieri-freshwater\"\u003eChinese Algae Eater\u003c\/a\u003e. Pair it instead with fast schooling mid-water fish that shrug off a chase: \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/zebra-danio-danio-rerio-freshwater\"\u003eZebra Danios\u003c\/a\u003e, larger tetras like the \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/brilliant-rummy-nose-tetra-hemigrammus-bleheri-freshwater\"\u003eRummy Nose\u003c\/a\u003e, and robust \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/yo-yo-loach-botia-almorhae-freshwater\"\u003eYo Yo Loaches\u003c\/a\u003e in bigger tanks. Skip slow, long-finned fish like fancy guppies and bettas, and avoid timid bottom dwellers that would have to share its floor.\u003c\/p\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #1E88E5;padding-left:8px;\"\u003eRecommended Foods \u0026amp; Supplies\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/hikari-dark-rock-cave-aquarium-hide-bettas-shrimp-plecos\"\u003eHikari Dark Rock Cave\u003c\/a\u003e a territory to call home\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/repashy-community-plus\"\u003eRepashy Community Plus\u003c\/a\u003e omnivore gel food\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/repashy-soilent-green-algae-gel-food\"\u003eRepashy Soilent Green\u003c\/a\u003e for the grazing side of its diet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #1E88E5;padding-left:8px;\"\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs it really a shark?\u003c\/strong\u003e\u003cbr\u003eNo. It is a cyprinid, a cousin of barbs and rasboras, named for its shark-like profile and dorsal fin. It has no teeth worth worrying about and tops out around 6 inches.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I keep two so they have company?\u003c\/strong\u003e\u003cbr\u003eNo. Two Redtails in a typical home tank means one constantly harassed fish. This species genuinely prefers being the only one of its kind.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is mine chasing my other fish?\u003c\/strong\u003e\u003cbr\u003eIt is defending what it considers its territory, usually the bottom third of the tank. More sight-line breaks, a dedicated cave, and fast tank mates turn constant chasing into brief, harmless escorting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMy juvenile is more gray than black. Is it healthy?\u003c\/strong\u003e\u003cbr\u003eVery likely yes. Juveniles and newly moved fish often look faded. Give it a week or two of good food and a claimed cave and the velvet black comes in.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Squeaky's Aquatics","offers":[{"title":"Default Title","offer_id":48077261603035,"sku":"FW1-F6921","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/d4ea0ce2-bb20-42bc-baf6-f1219f03db75.png?v=1785403621","url":"https:\/\/squeakysaquatics.com\/products\/redtail-shark-epalzeorhynchos-bicolor-freshwater","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}