{"id":4079,"date":"2026-02-17T01:10:16","date_gmt":"2026-02-17T01:10:16","guid":{"rendered":"https:\/\/aquadistribution.co.uk\/product\/doitsu-utsuri-japanese-koi-carp-cyprinus-carpio\/"},"modified":"2026-03-10T21:07:48","modified_gmt":"2026-03-10T21:07:48","slug":"doitsu-utsuri-japanese-koi-carp-cyprinus-carpio","status":"publish","type":"product","link":"https:\/\/aquadistribution.co.uk\/?product=doitsu-utsuri-japanese-koi-carp-cyprinus-carpio","title":{"rendered":"Doitsu Utsuri Japanese Koi Carp Cyprinus Carpio"},"content":{"rendered":"<article class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [&amp;:has([data-writing-block])&gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" tabindex=\"-1\" data-turn-id=\"request-1005a822-21c3-4dbb-8986-92350cd2dfb5-60\" data-testid=\"conversation-turn-772\" data-scroll-anchor=\"true\" data-turn=\"assistant\">\n<div class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\">\n<div class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\">\n<div class=\"flex max-w-full flex-col grow\">\n<div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+&amp;]:mt-1\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"7086a534-8bda-46ab-acd6-3987cc81f68b\" data-message-model-slug=\"gpt-5-2\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\">\n<div class=\"markdown prose dark:prose-invert w-full break-words dark markdown-new-styling\">\n<h2 data-start=\"56\" data-end=\"114\"><strong data-start=\"59\" data-end=\"112\">Doitsu Utsuri Japanese Koi Carp (Cyprinus carpio)<\/strong><\/h2>\n<h3 data-start=\"116\" data-end=\"134\"><strong data-start=\"120\" data-end=\"132\">Overview<\/strong><\/h3>\n<p data-start=\"135\" data-end=\"426\">The <strong data-start=\"139\" data-end=\"160\">Doitsu Utsuri Koi<\/strong> is a striking, scaleless (Doitsu) koi variety known for its <strong data-start=\"221\" data-end=\"304\">bold contrast between deep black (sumi) and bright metallic or white coloration<\/strong>. With smooth skin and clean patterning, this koi offers a dramatic, high-impact appearance in ponds and large displays.<\/p>\n<h3 data-start=\"428\" data-end=\"444\"><strong data-start=\"432\" data-end=\"442\">Origin<\/strong><\/h3>\n<p data-start=\"445\" data-end=\"484\">Japan (selectively bred ornamental koi)<\/p>\n<h3 data-start=\"486\" data-end=\"503\"><strong data-start=\"490\" data-end=\"501\">Feeding<\/strong><\/h3>\n<ul data-start=\"504\" data-end=\"678\">\n<li data-start=\"504\" data-end=\"561\">\n<p data-start=\"506\" data-end=\"561\">Omnivorous: high-quality koi pellets, wheatgerm foods<\/p>\n<\/li>\n<li data-start=\"562\" data-end=\"622\">\n<p data-start=\"564\" data-end=\"622\">Supplement with vegetables, insects, and seasonal treats<\/p>\n<\/li>\n<li data-start=\"623\" data-end=\"678\">\n<p data-start=\"625\" data-end=\"678\">Feed 1\u20132 times daily depending on water temperature<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"680\" data-end=\"707\"><strong data-start=\"684\" data-end=\"705\">Tank \/ Pond Mates<\/strong><\/h3>\n<ul data-start=\"708\" data-end=\"804\">\n<li data-start=\"708\" data-end=\"760\">\n<p data-start=\"710\" data-end=\"760\">Compatible with other koi and peaceful pond fish<\/p>\n<\/li>\n<li data-start=\"761\" data-end=\"804\">\n<p data-start=\"763\" data-end=\"804\">Avoid aggressive or fin-nipping species<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"806\" data-end=\"826\"><strong data-start=\"810\" data-end=\"824\">Aggression<\/strong><\/h3>\n<p data-start=\"827\" data-end=\"837\">Peaceful<\/p>\n<h3 data-start=\"839\" data-end=\"865\"><strong data-start=\"843\" data-end=\"863\">Experience Level<\/strong><\/h3>\n<p data-start=\"866\" data-end=\"939\">Beginner to intermediate \u2013 hardy but benefits from good pond management<\/p>\n<h3 data-start=\"941\" data-end=\"967\"><strong data-start=\"945\" data-end=\"965\">Water Parameters<\/strong><\/h3>\n<ul data-start=\"968\" data-end=\"1068\">\n<li data-start=\"968\" data-end=\"1006\">\n<p data-start=\"970\" data-end=\"1006\"><strong data-start=\"970\" data-end=\"986\">Temperature:<\/strong> 15\u201325\u00b0C (59\u201377\u00b0F)<\/p>\n<\/li>\n<li data-start=\"1007\" data-end=\"1026\">\n<p data-start=\"1009\" data-end=\"1026\"><strong data-start=\"1009\" data-end=\"1016\">pH:<\/strong> 6.8\u20138.0<\/p>\n<\/li>\n<li data-start=\"1027\" data-end=\"1068\">\n<p data-start=\"1029\" data-end=\"1068\"><strong data-start=\"1029\" data-end=\"1042\">Hardness:<\/strong> Soft to moderately hard<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"1070\" data-end=\"1085\"><strong data-start=\"1074\" data-end=\"1083\">Notes<\/strong><\/h3>\n<ul data-start=\"1086\" data-end=\"1289\">\n<li data-start=\"1086\" data-end=\"1150\">\n<p data-start=\"1088\" data-end=\"1150\">Best suited to ponds or very large systems due to adult size<\/p>\n<\/li>\n<li data-start=\"1151\" data-end=\"1221\">\n<p data-start=\"1153\" data-end=\"1221\">Smooth Doitsu skin highlights color clarity and pattern definition<\/p>\n<\/li>\n<li data-start=\"1222\" data-end=\"1289\">\n<p data-start=\"1224\" data-end=\"1289\">Requires excellent water quality to maintain vibrant coloration<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1291\" data-end=\"1443\" data-is-last-node=\"\" data-is-only-node=\"\">A bold and elegant koi variety, the <strong data-start=\"1327\" data-end=\"1344\">Doitsu Utsuri<\/strong> is perfect for pond keepers seeking strong contrast, clean lines, and classic Japanese koi beauty.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"z-0 flex min-h-[46px] justify-start\"><\/div>\n<div class=\"mt-3 w-full empty:hidden\">\n<div class=\"text-center\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/article>\n<div class=\"pointer-events-none h-px w-px\" aria-hidden=\"true\" data-edge=\"true\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Doitsu Utsuri Japanese Koi Carp (Cyprinus carpio) Overview The Doitsu Utsuri Koi is a striking, scaleless (Doitsu) koi variety known for its bold contrast between deep black (sumi) and bright metallic or white coloration. With smooth skin and clean patterning, this koi offers a dramatic, high-impact appearance in ponds and large displays. Origin Japan (selectively [&hellip;]<\/p>\n","protected":false},"featured_media":4061,"template":"","meta":[],"product_brand":[],"product_cat":[86],"product_tag":[],"class_list":{"0":"post-4079","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-japanese-koi-carp","8":"first","9":"instock","10":"taxable","11":"shipping-taxable","12":"purchasable","13":"product-type-variable"},"group_of_quantity":0,"min_quantity":0,"max_quantity":"","exclude_order_quantity_value_rules":"no","exclude_category_quantity_rules":"no","combine_variations":"no","exclude_global_add_ons":[],"addons":[],"_links":{"self":[{"href":"https:\/\/aquadistribution.co.uk\/index.php?rest_route=\/wp\/v2\/product\/4079","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aquadistribution.co.uk\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/aquadistribution.co.uk\/index.php?rest_route=\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aquadistribution.co.uk\/index.php?rest_route=\/wp\/v2\/media\/4061"}],"wp:attachment":[{"href":"https:\/\/aquadistribution.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4079"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/aquadistribution.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=4079"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/aquadistribution.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=4079"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/aquadistribution.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=4079"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}