{"product_id":"ryukin-goldfish","title":"Ryukin Goldfish","description":"\u003cp\u003eRyukin Goldfish have similar bodies to Oranda Goldfish, but do not display the distinctive head patch. AquariumFish.com will do its best to accommodate color requests.\u003c\/p\u003e\n\n\u003ch3\u003eQuick Facts\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px; border-bottom:1px solid #ddd; width:40%;\"\u003e\u003cstrong\u003eScientific Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px; border-bottom:1px solid #ddd;\"\u003e\u003cem\u003eCarassius auratus\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px; border-bottom:1px solid #ddd;\"\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px; border-bottom:1px solid #ddd;\"\u003eJapan (developed from Chinese fantails)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px; border-bottom:1px solid #ddd;\"\u003e\u003cstrong\u003eCare Level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px; border-bottom:1px solid #ddd;\"\u003eEasy, good for beginners\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px; border-bottom:1px solid #ddd;\"\u003e\u003cstrong\u003eTemperament\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px; border-bottom:1px solid #ddd;\"\u003ePeaceful, active\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px; border-bottom:1px solid #ddd;\"\u003e\u003cstrong\u003eAdult Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px; border-bottom:1px solid #ddd;\"\u003eUp to 8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px; border-bottom:1px solid #ddd;\"\u003e\u003cstrong\u003eLifespan\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px; border-bottom:1px solid #ddd;\"\u003e10–15 years, often longer with good care\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px; border-bottom:1px solid #ddd;\"\u003e\u003cstrong\u003eDiet\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px; border-bottom:1px solid #ddd;\"\u003eOmnivore\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px; border-bottom:1px solid #ddd;\"\u003e\u003cstrong\u003eWater Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px; border-bottom:1px solid #ddd;\"\u003e65–75°F (no heater needed in most homes)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px; border-bottom:1px solid #ddd;\"\u003e\u003cstrong\u003epH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px; border-bottom:1px solid #ddd;\"\u003e7.0–8.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px; border-bottom:1px solid #ddd;\"\u003e\u003cstrong\u003eMinimum Tank Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px; border-bottom:1px solid #ddd;\"\u003e20 gallons for one, plus 10 gallons for each extra goldfish\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCare Guide\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eTank setup:\u003c\/strong\u003e Ryukins produce a lot of waste, so give them plenty of room and a strong filter. Change 25–30% of the water every week.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeeding:\u003c\/strong\u003e Feed small amounts once or twice a day, only as much as they eat in about two minutes. Mix a quality sinking pellet or flake with frozen or live foods like brine shrimp and bloodworms, plus blanched peas or other vegetables now and then.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTankmates:\u003c\/strong\u003e Keep them with other fancy goldfish of similar size and speed. Avoid fast single-tail goldfish like comets and shubunkins, which will outcompete them for food. Also avoid tropical fish, which need warmer water, and fin-nippers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePonds:\u003c\/strong\u003e Ryukins can live in ponds in mild climates, but they are less cold-hardy than comets and shubunkins. Bring them indoors where winters are harsh, and keep them away from fast, aggressive pond fish.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGood to know:\u003c\/strong\u003e Ryukins are livelier than most fancy goldfish, so they can outcompete very slow types like telescopes and bubble eyes at feeding time.\u003c\/p\u003e","brand":"AquariumFish.com","offers":[{"title":"Small (2\")","offer_id":53344509362475,"sku":null,"price":26.79,"currency_code":"USD","in_stock":true},{"title":"Medium (4\")","offer_id":53344510181675,"sku":null,"price":55.49,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1141\/1330\/products\/Assorted-Ryukin_af909ef7-e80f-4e94-acbf-cf98ec29e56f.jpg?v=1751567802","url":"https:\/\/aquariumfish.com\/products\/ryukin-goldfish","provider":"AquariumFish.com","version":"1.0","type":"link"}