{"product_id":"horseshoe-crab-handbook-evelyn-grace-harper-9798277560334","title":"Horseshoe Crab Handbook: Everything You Need to Know About Ancient Marine Keeper's Guide - large sand bed tank, oxygenation and flow, diet and supplem","description":"Horseshoe crabs are ancient, resilient marine arthropods that offer a unique window into Earth's evolutionary past. Keeping them in educational, research or specialized home aquarium settings calls for thoughtful planning and an understanding of how these animals live and grow. This handbook gives readers a clear, approachable overview of the conditions that support healthy horseshoe crab care.\u003cbr\u003eYou'll learn the core concepts behind maintaining a large sand-bed tank, including space layout, stable marine parameters, oxygenation and water flow that encourages natural movement and foraging. The book outlines broad feeding principles, supplementation considerations and the cues keepers watch for during growth and molting cycles. There is also guidance on observation habits, safe handling practices, enrichment ideas that respect natural behavior and the early signs that suggest a crab may need closer attention.\u003cbr\u003eWhether you're a marine hobbyist, educator or simply fascinated by one of the ocean's most enduring species, this handbook offers a grounded introduction to horseshoe crab biology and the conditions that help them thrive. \u003cp\u003e\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Evelyn Grace Harper\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9798277560334\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Independently Published\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 12\/10\/2025\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 194\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.59lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 9.00h x 6.00w x 0.41d","brand":"Evelyn Grace Harper","offers":[{"title":"Paperback","offer_id":49083853242623,"sku":"9798277560334","price":17.6,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.whiterainbookhouse.com\/products\/horseshoe-crab-handbook-evelyn-grace-harper-9798277560334","provider":"WR Book House","version":"1.0","type":"link"}