{"product_id":"pin-cushion","title":"Pin Cushion Urchin","description":"\u003carticle 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) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:85a211c4-de01-40c5-b25d-09eba408b3d5-47\" data-testid=\"conversation-turn-96\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] thread-sm:[--thread-content-margin:--spacing(6)] thread-lg:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] thread-lg:[--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\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"15f6eabc-3f39-48a3-81bd-b073f371e837\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-mini\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full break-words light markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"50\"\u003e\u003cstrong data-start=\"0\" data-end=\"48\"\u003ePin Cushion Urchin — \u003cem data-start=\"23\" data-end=\"46\"\u003eLytechinus variegatus\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"52\" data-end=\"509\"\u003eThe \u003cem data-start=\"56\" data-end=\"79\"\u003eLytechinus variegatus\u003c\/em\u003e Pin Cushion Urchin is a small, striking reef invertebrate with a rounded body covered in short, vibrant spines, often featuring a mix of purple, green, or brown hues. Slow-moving and peaceful, it grazes on algae and detritus across rockwork and sand, helping maintain a clean tank while adding texture and visual interest to the aquarium. Its calm behavior and unique appearance make it an engaging addition for reef hobbyists.\u003c\/p\u003e\n\u003cp data-start=\"511\" data-end=\"852\"\u003ePin Cushion Urchins thrive in established reef tanks with stable water parameters, moderate water flow, and plenty of algae or surfaces for grazing. Introduce only to mature systems to ensure sufficient natural food availability. A \u003cstrong data-start=\"743\" data-end=\"778\"\u003eminimum tank size of 20 gallons\u003c\/strong\u003e is recommended to allow space for roaming and natural grazing behavior.\u003c\/p\u003e\n\u003cp data-start=\"854\" data-end=\"1170\"\u003eTheir diet can be supplemented with algae-based foods from \u003cstrong data-start=\"913\" data-end=\"944\"\u003eJulian Sprung’s Sea Veggies\u003c\/strong\u003e and finely powdered or pellet foods from \u003cstrong data-start=\"986\" data-end=\"1013\"\u003eSan Francisco Bay Brand\u003c\/strong\u003e, \u003cstrong data-start=\"1015\" data-end=\"1025\"\u003eHikari\u003c\/strong\u003e, \u003cstrong data-start=\"1027\" data-end=\"1033\"\u003ePE\u003c\/strong\u003e, \u003cstrong data-start=\"1035\" data-end=\"1042\"\u003eTDO\u003c\/strong\u003e, and \u003cstrong data-start=\"1048\" data-end=\"1069\"\u003eNew Life Spectrum\u003c\/strong\u003e to support health and coloration. Target feeding helps maintain active grazing and vibrant spines.\u003c\/p\u003e\n\u003cp data-start=\"1172\" data-end=\"1236\"\u003e\u003cstrong data-start=\"1172\" data-end=\"1201\"\u003eApproximate product size:\u003c\/strong\u003e 1.5\"–3\" (varies by availability)\u003c\/p\u003e\n\u003cp data-start=\"1238\" data-end=\"1578\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eWe maintain a rigorous, veterinarian-approved quarantine program that includes proactive treatments, careful observation, and daily monitoring to ensure the highest standards of invertebrate health. Our biosecurity practices reduce the risk of any cross-contamination between systems, meaning our livestock are ready for your display tanks.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003cdiv aria-hidden=\"true\" data-edge=\"true\" class=\"pointer-events-none h-px w-px\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"RECUST","offers":[{"title":"Default","offer_id":42069650374743,"sku":"7608148","price":49.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/4742\/3319\/files\/1000_F_378981328_n7iZjFWusJ4t4YLVnX38v7p8ilUbUJS8.jpg?v=1766178379","url":"https:\/\/www.reefescape.net\/products\/pin-cushion","provider":"Reef eScape","version":"1.0","type":"link"}