{"id":13569,"date":"2026-02-18T01:15:46","date_gmt":"2026-02-18T01:15:46","guid":{"rendered":"https:\/\/aquadistribution.co.uk\/product\/three-spined-stickleback-gasterosteus-aculeatus-3cm\/"},"modified":"2026-02-18T01:15:47","modified_gmt":"2026-02-18T01:15:47","slug":"three-spined-stickleback-gasterosteus-aculeatus-3cm","status":"publish","type":"product","link":"https:\/\/aquadistribution.co.uk\/?product=three-spined-stickleback-gasterosteus-aculeatus-3cm","title":{"rendered":"Three Spined Stickleback Gasterosteus Aculeatus 3cm"},"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-8986-92350cd2dfb5-35\" data-testid=\"conversation-turn-722\" 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=\"5636835d-309b-4cff-a30a-b5272a413f5f\" data-message-model-slug=\"gpt-5-mini\">\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=\"116\"><strong data-start=\"59\" data-end=\"114\">Three-Spined Stickleback (<em data-start=\"87\" data-end=\"111\">Gasterosteus aculeatus<\/em>)<\/strong><\/h2>\n<h3 data-start=\"118\" data-end=\"136\"><strong data-start=\"122\" data-end=\"134\">Overview<\/strong><\/h3>\n<p data-start=\"137\" data-end=\"475\">The <strong data-start=\"141\" data-end=\"169\">Three-Spined Stickleback<\/strong> is a small, fascinating freshwater fish known for its <strong data-start=\"224\" data-end=\"280\">distinctive three dorsal spines and streamlined body<\/strong>. Renowned for its interesting behavior, including nest-building and territorial displays, it is an excellent choice for observing natural fish behaviors in community or species-specific tanks.<\/p>\n<h3 data-start=\"477\" data-end=\"493\"><strong data-start=\"481\" data-end=\"491\">Origin<\/strong><\/h3>\n<p data-start=\"494\" data-end=\"549\">Northern Hemisphere \u2013 Europe, Asia, and North America<\/p>\n<h3 data-start=\"551\" data-end=\"568\"><strong data-start=\"555\" data-end=\"566\">Feeding<\/strong><\/h3>\n<ul data-start=\"569\" data-end=\"735\">\n<li data-start=\"569\" data-end=\"660\">\n<p data-start=\"571\" data-end=\"660\">Omnivorous: feeds on small invertebrates, crustaceans, insect larvae, and micro-pellets<\/p>\n<\/li>\n<li data-start=\"661\" data-end=\"735\">\n<p data-start=\"663\" data-end=\"735\">Will also accept frozen or live foods such as daphnia and brine shrimp<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"737\" data-end=\"757\"><strong data-start=\"741\" data-end=\"755\">Tank Mates<\/strong><\/h3>\n<ul data-start=\"758\" data-end=\"860\">\n<li data-start=\"758\" data-end=\"799\">\n<p data-start=\"760\" data-end=\"799\">Peaceful small fish and invertebrates<\/p>\n<\/li>\n<li data-start=\"800\" data-end=\"860\">\n<p data-start=\"802\" data-end=\"860\">Avoid larger or aggressive species that may prey on them<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"862\" data-end=\"882\"><strong data-start=\"866\" data-end=\"880\">Aggression<\/strong><\/h3>\n<ul data-start=\"883\" data-end=\"982\">\n<li data-start=\"883\" data-end=\"934\">\n<p data-start=\"885\" data-end=\"934\">Males can be territorial during breeding season<\/p>\n<\/li>\n<li data-start=\"935\" data-end=\"982\">\n<p data-start=\"937\" data-end=\"982\">Generally peaceful outside breeding periods<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"984\" data-end=\"1010\"><strong data-start=\"988\" data-end=\"1008\">Experience Level<\/strong><\/h3>\n<p data-start=\"1011\" data-end=\"1037\">Beginner to intermediate<\/p>\n<h3 data-start=\"1039\" data-end=\"1065\"><strong data-start=\"1043\" data-end=\"1063\">Water Parameters<\/strong><\/h3>\n<ul data-start=\"1066\" data-end=\"1166\">\n<li data-start=\"1066\" data-end=\"1104\">\n<p data-start=\"1068\" data-end=\"1104\"><strong data-start=\"1068\" data-end=\"1084\">Temperature:<\/strong> 10\u201322\u00b0C (50\u201372\u00b0F)<\/p>\n<\/li>\n<li data-start=\"1105\" data-end=\"1124\">\n<p data-start=\"1107\" data-end=\"1124\"><strong data-start=\"1107\" data-end=\"1114\">pH:<\/strong> 6.5\u20138.0<\/p>\n<\/li>\n<li data-start=\"1125\" data-end=\"1166\">\n<p data-start=\"1127\" data-end=\"1166\"><strong data-start=\"1127\" data-end=\"1140\">Hardness:<\/strong> Soft to moderately hard<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"1168\" data-end=\"1183\"><strong data-start=\"1172\" data-end=\"1181\">Notes<\/strong><\/h3>\n<ul data-start=\"1184\" data-end=\"1404\">\n<li data-start=\"1184\" data-end=\"1281\">\n<p data-start=\"1186\" data-end=\"1281\">Provides excellent opportunities to observe unique behaviors like nest building and courtship<\/p>\n<\/li>\n<li data-start=\"1282\" data-end=\"1343\">\n<p data-start=\"1284\" data-end=\"1343\">Thrives in aquariums with plants, rocks, and hiding spots<\/p>\n<\/li>\n<li data-start=\"1344\" data-end=\"1404\">\n<p data-start=\"1346\" data-end=\"1404\">Adds both activity and natural charm to freshwater tanks<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1406\" data-end=\"1553\" data-is-last-node=\"\" data-is-only-node=\"\">A small, hardy, and behaviorally fascinating fish, ideal for aquarists interested in natural freshwater behaviors and a peaceful community species.<\/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>Three-Spined Stickleback (Gasterosteus aculeatus) Overview The Three-Spined Stickleback is a small, fascinating freshwater fish known for its distinctive three dorsal spines and streamlined body. Renowned for its interesting behavior, including nest-building and territorial displays, it is an excellent choice for observing natural fish behaviors in community or species-specific tanks. Origin Northern Hemisphere \u2013 Europe, Asia, [&hellip;]<\/p>\n","protected":false},"featured_media":13568,"template":"","meta":[],"product_brand":[],"product_cat":[55],"product_tag":[],"class_list":{"0":"post-13569","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-pond-river-fish","8":"first","9":"instock","10":"taxable","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"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\/13569","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\/13568"}],"wp:attachment":[{"href":"https:\/\/aquadistribution.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13569"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/aquadistribution.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=13569"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/aquadistribution.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=13569"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/aquadistribution.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=13569"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}