{"product_id":"black-ranchu-6-8cm-fancy-goldfish","title":"Black Ranchu 6-8cm Fancy Goldfish","description":"\u003cp\u003e\u003cspan\u003eBlack Ranchu\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePhotos are of our actual stock\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eA Black Ranchu is a fancy goldfish known for its deep black colour, round, stout body, and lack of a dorsal fin, often with a raspberry-like head growth (wen) like the Lionhead Ranchu, giving it a unique, sumo-wrestler-like look, requiring calm, clean water, soft décor, and a diet of quality flakes\/pellets with greens, best kept with other slow-swimming fancy goldfish. \u003cbr\u003e\u003cbr\u003eKey Characteristics\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBody: Stout, egg-shaped, no dorsal fin, smooth curved back.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHead: Can have a prominent wen (head growth).\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eColor: Deep, solid black, though some may have red\/black markings (Red \u0026amp; Black Ranchu).\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOrigin: Developed from common goldfish in Japan, known as the \"King of Goldfish\". \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCare \u0026amp; Habitat\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTank: Minimum 60-100 liters (15-25 gallons) per fish, preferably a spacious, calm environment.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWater: Needs gentle filtration, regular water changes, and stable parameters (65-72°F \/ 18-22°C, pH 6.5-8.0).\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDecor: Use sand substrate and soft decorations (silk plants, smooth gravel) to avoid fin damage.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTankmates: Best with other slow-moving fancy goldfish (Orandas, Ryukins), avoiding fin-nippers. \u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDiet\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eType: Omnivore, needs high-quality sinking pellets\/flakes, supplemented with blanched greens (spinach, cucumber).\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFeeding: Avoid overfeeding to prevent swim bladder issues. \u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Newlyn-pets","offers":[{"title":"Default Title","offer_id":55969672135035,"sku":null,"price":39.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0475\/9656\/8730\/files\/black-ranchu-6-7cm-fancy-goldfish-img-2201-newlyn-pets-newlyn-pets-9668484.jpg?v=1766783142","url":"https:\/\/newlynpets.co.uk\/products\/black-ranchu-6-8cm-fancy-goldfish","provider":"Newlyn-pets","version":"1.0","type":"link"}