{"product_id":"longfin-leopard-danio-danio-rerio-freshwater","title":"Longfin Leopard Danio (Danio rerio)","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.\u003c\/div\u003e\n\u003cp\u003eThe Longfin Leopard Danio (\u003cem\u003eDanio rerio\u003c\/em\u003e) is the leopard-spotted form of the classic zebra danio with long, flowing fins, a constellation of blue-gray spots over gold, and the same bulletproof hardiness that makes danios the definitive beginner fish. Peaceful, endlessly active, and happy in unheated tanks, they are perfect first fish for a new setup. Browse the rest of our \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/fresh-water\"\u003efreshwater livestock\u003c\/a\u003e for tank mates.\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 10 gallons or more, long footprint preferred. Danios are darters that live in the top half of the tank and use every inch of swimming length.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSchool them:\u003c\/strong\u003e keep 6 or more. A proper school turns nervous glass-pacing into playful chase games, and the longfins look spectacular in a group.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater:\u003c\/strong\u003e 65 to 77°F, pH 6.5 to 7.5. They thrive at room temperature with no heater, and they are famously forgiving of beginner water quality wobbles in a cycled tank.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLid required:\u003c\/strong\u003e danios are strong jumpers. Keep a tight-fitting lid or glass top.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeeding:\u003c\/strong\u003e completely unfussy omnivores. Quality flake as the staple with occasional frozen or live treats.\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%;margin:8px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003eCommon Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eLongfin Leopard Danio\u003c\/td\u003e\n\u003c\/tr\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\n\u003cem\u003eDanio rerio\u003c\/em\u003e (leopard longfin form)\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 2.5 inches\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;\"\u003eBeginner\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;\"\u003ePeaceful, very active schooler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003eMinimum Tank Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e10 gallons, group of 6+\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;\"\u003e65 to 77°F, no heater needed\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;\"\u003e6.5 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\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;\"\u003eCaptive bred; species native to South Asia\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 only, no shipping on live fish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\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\u003eAn ideal community citizen. Mix a school with the \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/zebra-danio-danio-rerio-freshwater\"\u003eZebra Danio\u003c\/a\u003e or \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/longfin-gold-zebra-danio-danio-rerio-freshwater\"\u003eLongfin Gold Zebra Danio\u003c\/a\u003e (they school together happily), plus mid-water friends like the \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/brilliant-rasbora-rasbora-borapetensis-freshwater\"\u003eBrilliant Rasbora\u003c\/a\u003e and bottom dwellers like the \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/pygmy-cory-corydoras-pygmaeus-freshwater\"\u003ePygmy Cory\u003c\/a\u003e. Their constant motion can stress very slow, long-finned showpieces like bettas, and known fin nippers should be avoided since those flowing fins make tempting targets.\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\/tetra-tetramin-tropical-flakes\"\u003eTetra TetraMin Tropical Flakes\u003c\/a\u003e, the classic everyday staple\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/ocean-nutrition-freshwater-community-formula-flake\"\u003eOcean Nutrition Freshwater Community Flake\u003c\/a\u003e for a richer mixed diet\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/seachem-nutridiet-tropical-flakes-probiotic\"\u003eSeachem NutriDiet Tropical Flakes\u003c\/a\u003e with probiotics\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\u003eDo they need a heater?\u003c\/strong\u003e\u003cbr\u003eNo. Room temperature suits them fine, which makes them one of the few fish genuinely ready for an unheated desktop tank.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many should I start with?\u003c\/strong\u003e\u003cbr\u003eSix is the working minimum, and eight to ten looks dramatically better.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill they school with regular zebra danios?\u003c\/strong\u003e\u003cbr\u003eYes. Leopard, zebra, gold, and longfin forms are all the same species and shoal together seamlessly, so you can mix patterns freely.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre they good for cycling a new tank?\u003c\/strong\u003e\u003cbr\u003eThey are the classic choice for fish-in cycling thanks to their hardiness, though we still recommend cycling first and adding the school to a ready tank.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Squeaky's Aquatics","offers":[{"title":"Default Title","offer_id":49033586245851,"sku":"180092","price":3.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/0e9650d0-c59c-4e2d-965e-8e772bfcd662.jpg?v=1785256211","url":"https:\/\/squeakysaquatics.com\/products\/longfin-leopard-danio-danio-rerio-freshwater","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}