{"product_id":"butterfly-koi-premium-grade-cyprinus-rubrofuscus-freshwater","title":"Butterfly Koi Premium Grade (Cyprinus rubrofuscus)","description":"\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\n\u003cp\u003eThe Butterfly Koi (\u003cem\u003eCyprinus rubrofuscus\u003c\/em\u003e) is the long-finned, flowing-tailed cousin of the classic koi, prized for the graceful fins that trail behind it like ribbons as it swims. These are premium-grade, hand-selected fish with strong color and finnage. Currently sized at about 3 to 4 inches, they will grow into impressive pond centerpieces over the years.\u003c\/p\u003e\n\n\u003cp\u003eBrowse the rest of our \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/fresh-water\"\u003efreshwater livestock\u003c\/a\u003e to stock your pond or water garden.\u003c\/p\u003e\n\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\u003ePlan for a pond.\u003c\/strong\u003e Koi grow large, often 18 to 24 inches or more, and are long-lived. They need a pond or a very large system with strong filtration. They are not a long-term fit for a standard aquarium.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardy in the cold.\u003c\/strong\u003e Koi are coldwater fish that tolerate a wide temperature range and can overwinter outdoors in many climates as long as the water does not freeze solid.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater parameters:\u003c\/strong\u003e Temperature 35 to 85°F, pH 7.0 to 8.5. They are very adaptable but appreciate stable, well-filtered, well-oxygenated water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeep a group.\u003c\/strong\u003e Koi are social and do best with other koi or pond-hardy fish. Give them open swimming space and plenty of volume to spread out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeeding:\u003c\/strong\u003e Omnivores with hearty appetites. Feed a quality koi or pond pellet, and feed less as water cools since their metabolism slows in cold weather.\u003c\/li\u003e\n\u003c\/ul\u003e\n\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:6px 0;font-size:0.95em;\"\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;\"\u003eButterfly Koi (Longfin Koi)\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\u003cem\u003eCyprinus rubrofuscus\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\u003eCurrent Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eAbout 3 to 4 inches\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\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;\"\u003ePeaceful\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003eAdult Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e18 to 24+ inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003eHousing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003ePond or large system\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;\"\u003e35 to 85°F\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\u003ePickup\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eIn-store pickup only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\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\u003eButterfly koi are gentle giants that mix well with other koi and pond-hardy fish. Keep them with similarly sized, peaceful companions and avoid tiny fish that could be mistaken for food as the koi grow. Good pond mates include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/shubunkin-goldfish-carassius-auratus-freshwater\"\u003eShubunkin Goldfish\u003c\/a\u003e and other single-tail pond goldfish\u003c\/li\u003e\n\u003cli\u003eOther koi and butterfly koi\u003c\/li\u003e\n\u003c\/ul\u003e\n\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\/fishers-koi-diet-plus-pond-pellets\"\u003eFishers Koi Diet+ Pond Pellets\u003c\/a\u003e for daily feeding and color\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/fritzpond-clarifier\"\u003eFritzPond Clarifier\u003c\/a\u003e to keep pond water clear\u003c\/li\u003e\n\u003cli\u003eStrong mechanical and biological pond filtration with good aeration\u003c\/li\u003e\n\u003c\/ul\u003e\n\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;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow big will my koi get?\u003c\/strong\u003e\u003cbr\u003e\nKoi commonly reach 18 to 24 inches and can grow larger over many years. Plan for their adult size from the start with a pond or large system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I keep koi in an aquarium?\u003c\/strong\u003e\u003cbr\u003e\nOnly temporarily while they are small. Koi quickly outgrow aquariums and need a pond for long-term health and proper growth.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre butterfly koi hardy?\u003c\/strong\u003e\u003cbr\u003e\nYes. They are tough, coldwater fish that handle a wide temperature range and can overwinter outdoors in many regions when the pond does not freeze through.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat makes them \"butterfly\" koi?\u003c\/strong\u003e\u003cbr\u003e\nButterfly koi carry a long-fin gene that gives them flowing fins and tails, a more elegant look than standard koi while sharing the same care needs.\u003c\/p\u003e","brand":"Squeaky's Aquatics","offers":[{"title":"3\"-4\"","offer_id":48892813082843,"sku":"K0337-BF3P","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/image_6e2d820c-e862-4319-b373-6420ba88a071.jpg?v=1781959062","url":"https:\/\/squeakysaquatics.com\/products\/butterfly-koi-premium-grade-cyprinus-rubrofuscus-freshwater","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}