{"product_id":"blue-eye-long-spine-urchin-diadema-savignyi","title":"Blue Eye Long Spine Urchin [Diadema savignyi]","description":"\u003cp\u003eBlue Eye Long Spine Urchin [Diadema savignyi]\u003c\/p\u003e\n\u003cdiv data-processed=\"true\" data-hveid=\"CAcQAA\" data-sfc-cp=\"\" class=\"Y3BBE\"\u003e\n\u003cdiv data-processed=\"true\" data-ved=\"2ahUKEwiwlLzupfKSAxVwXEEAHaykHdcQ3s0SegQIBxAC\" data-signal-inputs=\"scS1X=fc5Tvc_2h\/scS1X\" data-animation-skip=\"\" class=\"Fwa2Od\"\u003eThe Blue Eye Long Spine Urchin (Diadema savignyi) is an effective, nocturnal algae grazer suitable for mature, large marine tanks (30+ gallons) with stable water conditions, pH 7.7–8.5, SG 1.023–1.026). It requires ample algae for grazing but may need supplemental seaweed if food is scarce. Caution is needed as they are \"bulldozers\" that can topple unanchored rockwork. \u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv data-processed=\"true\" data-ved=\"2ahUKEwiwlLzupfKSAxVwXEEAHaykHdcQ3s0SegQIBxAC\" data-signal-inputs=\"scS1X=fc5Tvc_2h\/scS1X\" data-animation-skip=\"\" class=\"Fwa2Od\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv data-processed=\"true\" data-ved=\"2ahUKEwiwlLzupfKSAxVwXEEAHaykHdcQ3s0SegQIBxAC\" data-signal-inputs=\"scS1X=fc5Tvc_2h\/scS1X\" data-animation-skip=\"\" class=\"Fwa2Od\"\u003eCare Requirements\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv data-processed=\"true\" data-ved=\"2ahUKEwiwlLzupfKSAxVwXEEAHaykHdcQ3s0SegQIBxAC\" data-signal-inputs=\"scS1X=fc5Tvc_2h\/scS1X\" data-animation-skip=\"\" class=\"Fwa2Od\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv data-processed=\"true\" data-ved=\"2ahUKEwiwlLzupfKSAxVwXEEAHaykHdcQ3s0SegQIBxAC\" data-signal-inputs=\"scS1X=fc5Tvc_2h\/scS1X\" data-animation-skip=\"\" class=\"Fwa2Od\"\u003eDiet: Primarily herbivorous; they graze on algae and coralline algae. If natural algae is insufficient, they must be fed dried seaweed\/algae sheets.\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv data-processed=\"true\" data-ved=\"2ahUKEwiwlLzupfKSAxVwXEEAHaykHdcQ3s0SegQIBxAC\" data-signal-inputs=\"scS1X=fc5Tvc_2h\/scS1X\" data-animation-skip=\"\" class=\"Fwa2Od\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv data-processed=\"true\" data-ved=\"2ahUKEwiwlLzupfKSAxVwXEEAHaykHdcQ3s0SegQIBxAC\" data-signal-inputs=\"scS1X=fc5Tvc_2h\/scS1X\" data-animation-skip=\"\" class=\"Fwa2Od\"\u003eReef Safe: Considered reef-safe, but their active grazing can sometimes annoy or damage delicate corals, and they may consume coralline algae.\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv data-processed=\"true\" data-ved=\"2ahUKEwiwlLzupfKSAxVwXEEAHaykHdcQ3s0SegQIBxAC\" data-signal-inputs=\"scS1X=fc5Tvc_2h\/scS1X\" data-animation-skip=\"\" class=\"Fwa2Od\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv data-processed=\"true\" data-ved=\"2ahUKEwiwlLzupfKSAxVwXEEAHaykHdcQ3s0SegQIBxAC\" data-signal-inputs=\"scS1X=fc5Tvc_2h\/scS1X\" data-animation-skip=\"\" class=\"Fwa2Od\"\u003eTank Setup: Requires a large, established aquarium (30+ gallons) with plenty of live rock for grazing and hiding during the day.\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv data-processed=\"true\" data-ved=\"2ahUKEwiwlLzupfKSAxVwXEEAHaykHdcQ3s0SegQIBxAC\" data-signal-inputs=\"scS1X=fc5Tvc_2h\/scS1X\" data-animation-skip=\"\" class=\"Fwa2Od\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv data-processed=\"true\" data-ved=\"2ahUKEwiwlLzupfKSAxVwXEEAHaykHdcQ3s0SegQIBxAC\" data-signal-inputs=\"scS1X=fc5Tvc_2h\/scS1X\" data-animation-skip=\"\" class=\"Fwa2Od\"\u003eWater Parameters: Highly sensitive to copper-based medications and high nitrates.\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv data-processed=\"true\" data-ved=\"2ahUKEwiwlLzupfKSAxVwXEEAHaykHdcQ3s0SegQIBxAC\" data-signal-inputs=\"scS1X=fc5Tvc_2h\/scS1X\" data-animation-skip=\"\" class=\"Fwa2Od\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv data-processed=\"true\" data-ved=\"2ahUKEwiwlLzupfKSAxVwXEEAHaykHdcQ3s0SegQIBxAC\" data-signal-inputs=\"scS1X=fc5Tvc_2h\/scS1X\" data-animation-skip=\"\" class=\"Fwa2Od\"\u003eHandling: Use caution, as their long, thin spines can break off in the skin, causing pain. \u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv data-processed=\"true\" data-ved=\"2ahUKEwiwlLzupfKSAxVwXEEAHaykHdcQ3s0SegQIBxAC\" data-signal-inputs=\"scS1X=fc5Tvc_2h\/scS1X\" data-animation-skip=\"\" class=\"Fwa2Od\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv data-processed=\"true\" data-ved=\"2ahUKEwiwlLzupfKSAxVwXEEAHaykHdcQ3s0SegQIBxAC\" data-signal-inputs=\"scS1X=fc5Tvc_2h\/scS1X\" data-animation-skip=\"\" class=\"Fwa2Od\"\u003eBehavior \u0026amp; Compatibility\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv data-processed=\"true\" data-ved=\"2ahUKEwiwlLzupfKSAxVwXEEAHaykHdcQ3s0SegQIBxAC\" data-signal-inputs=\"scS1X=fc5Tvc_2h\/scS1X\" data-animation-skip=\"\" class=\"Fwa2Od\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv data-processed=\"true\" data-ved=\"2ahUKEwiwlLzupfKSAxVwXEEAHaykHdcQ3s0SegQIBxAC\" data-signal-inputs=\"scS1X=fc5Tvc_2h\/scS1X\" data-animation-skip=\"\" class=\"Fwa2Od\"\u003eNocturnal: Usually hides in caves or crevices during the day, emerging at night.\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv data-processed=\"true\" data-ved=\"2ahUKEwiwlLzupfKSAxVwXEEAHaykHdcQ3s0SegQIBxAC\" data-signal-inputs=\"scS1X=fc5Tvc_2h\/scS1X\" data-animation-skip=\"\" class=\"Fwa2Od\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv data-processed=\"true\" data-ved=\"2ahUKEwiwlLzupfKSAxVwXEEAHaykHdcQ3s0SegQIBxAC\" data-signal-inputs=\"scS1X=fc5Tvc_2h\/scS1X\" data-animation-skip=\"\" class=\"Fwa2Od\"\u003eTank Mates: Compatible with most fish, but avoid large, aggressive predators that prey on urchins, such as triggerfish and large wrasses.\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv data-processed=\"true\" data-ved=\"2ahUKEwiwlLzupfKSAxVwXEEAHaykHdcQ3s0SegQIBxAC\" data-signal-inputs=\"scS1X=fc5Tvc_2h\/scS1X\" data-animation-skip=\"\" class=\"Fwa2Od\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv data-processed=\"true\" data-ved=\"2ahUKEwiwlLzupfKSAxVwXEEAHaykHdcQ3s0SegQIBxAC\" data-signal-inputs=\"scS1X=fc5Tvc_2h\/scS1X\" data-animation-skip=\"\" class=\"Fwa2Od\"\u003eMovement: Known to move large items (rock\/frags) while foraging. \u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv data-processed=\"true\" data-ved=\"2ahUKEwiwlLzupfKSAxVwXEEAHaykHdcQ3s0SegQIBxAC\" data-signal-inputs=\"scS1X=fc5Tvc_2h\/scS1X\" data-animation-skip=\"\" class=\"Fwa2Od\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv data-processed=\"true\" data-ved=\"2ahUKEwiwlLzupfKSAxVwXEEAHaykHdcQ3s0SegQIBxAC\" data-signal-inputs=\"scS1X=fc5Tvc_2h\/scS1X\" data-animation-skip=\"\" class=\"Fwa2Od\"\u003eThese urchins are excellent for keeping algae in check and are often considered a staple of a mature reef cleanup crew, provided their, at times, disruptive nature is managed. \u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Aqua Group","offers":[{"title":"Default Title","offer_id":45753485951149,"sku":"AG-100458","price":29.5,"currency_code":"GBP","in_stock":true}],"url":"https:\/\/aquagroup.co.uk\/products\/blue-eye-long-spine-urchin-diadema-savignyi","provider":"Aqua Group","version":"1.0","type":"link"}