{"product_id":"marusei-akame-karashigoi","title":"Marusei Akame Karashigoi","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eProduct Description:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eVariety - Akame (Red Eyes) Karashigoi\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBreeder - Marusei\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAge - Nisai\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSize - 40-45cm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSex - Unknown\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"6kw7ti\" data-start=\"628\" data-end=\"672\"\u003eA little about Marusei koi farm:\u003c\/h3\u003e\n\u003cp data-start=\"194\" data-end=\"443\"\u003e\u003cstrong data-start=\"42\" data-end=\"62\"\u003eMarusei Koi Farm\u003c\/strong\u003e (often called \u003cstrong data-start=\"77\" data-end=\"98\"\u003eHirasawa Koi Farm\u003c\/strong\u003e) is one of the largest and most influential koi breeders in Japan. The farm is located in \u003cstrong data-start=\"189\" data-end=\"231\"\u003eKawaguchi, Nagaoka, Niigata Prefecture\u003c\/strong\u003e, and was founded in 1960 by \u003cstrong data-start=\"260\" data-end=\"280\"\u003eSeitaro Hirasawa\u003c\/strong\u003e. Today it is operated by his son, \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eYoshiyuki Hirasawa\u003c\/span\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp data-start=\"453\" data-end=\"498\"\u003eMarusei is famous for producing \u003cstrong data-start=\"458\" data-end=\"489\"\u003elarge-growing (\"jumbo\") koi\u003c\/strong\u003e with powerful body conformation. Many hobbyists specifically seek Marusei fish because they often develop exceptional size while maintaining good skin quality and strong health.\u003c\/p\u003e\n\u003cp data-start=\"453\" data-end=\"498\"\u003eAmong serious koi keepers, Marusei's \u003cstrong data-start=\"1238\" data-end=\"1263\"\u003eKarashigoi and Chagoi\u003c\/strong\u003e are especially prized because of their growth potential and imposing body structure. Many jumbo koi over 90 cm—and occasionally over 1 meter—have originated from Marusei bloodlines.\u003c\/p\u003e","brand":"Marusei","offers":[{"title":"Default Title","offer_id":57525805089150,"sku":null,"price":250.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0610\/9003\/7946\/files\/Screenshot2026-06-08161656.png?v=1780931832","url":"https:\/\/steelcitykoi.com\/products\/marusei-akame-karashigoi","provider":"Steel City Koi","version":"1.0","type":"link"}