{"id":11775,"date":"2026-02-17T23:01:10","date_gmt":"2026-02-17T23:01:10","guid":{"rendered":"https:\/\/aquadistribution.co.uk\/product\/red-sea-urchin-heliocidaris-erythrogramma\/"},"modified":"2026-02-17T23:01:11","modified_gmt":"2026-02-17T23:01:11","slug":"red-sea-urchin-heliocidaris-erythrogramma","status":"publish","type":"product","link":"https:\/\/aquadistribution.co.uk\/?product=red-sea-urchin-heliocidaris-erythrogramma","title":{"rendered":"Red Sea Urchin Heliocidaris Erythrogramma"},"content":{"rendered":"

Red Sea Urchin \u2013 Heliocidaris erythrogramma<\/em><\/h3>\n

Overview:<\/strong>
The Red Sea Urchin<\/strong> is a vibrant echinoderm known for its brilliant crimson to deep burgundy spines<\/strong>. Its bold coloration makes it a standout addition to large marine aquariums while also serving as a useful grazer on unwanted algae.<\/p>\n

Origin:<\/strong>
Native to temperate reef systems of the Western Pacific and Southern Australia<\/strong>, where it inhabits rocky seabeds and reef flats.<\/p>\n

\n

Feeding:<\/strong><\/p>\n

    \n
  • \n

    Grazes on algae, seaweed, and detritus<\/strong>.<\/p>\n<\/li>\n

  • \n

    Supplement diet with nori, algae wafers, and fresh macroalgae<\/strong> in captivity.<\/p>\n<\/li>\n<\/ul>\n

    \n

    Tank Mates:<\/strong><\/p>\n

      \n
    • \n

      Generally reef-safe<\/strong>, though it may occasionally scrape or topple corals and loose d\u00e9cor while grazing.<\/p>\n<\/li>\n

    • \n

      Avoid housing with urchin predators<\/strong> such as puffers, triggers, or large wrasses.<\/p>\n<\/li>\n<\/ul>\n

      \n

      Aggression Level:<\/strong>
      Peaceful.<\/strong> Non-aggressive toward fish and invertebrates.<\/p>\n

      \n

      Experience Level:<\/strong>
      Intermediate to Advanced.<\/strong> Requires stable water quality, strong aquascaping, and regular algae availability.<\/p>\n

      \n

      Water Parameters:<\/strong><\/p>\n

        \n
      • \n

        Temperature: 68\u201375\u00b0F (20\u201324\u00b0C)<\/strong> (slightly cooler than tropical urchins)<\/em><\/p>\n<\/li>\n

      • \n

        pH: 8.1\u20138.4<\/strong><\/p>\n<\/li>\n

      • \n

        Salinity: 1.023\u20131.025<\/strong><\/p>\n<\/li>\n

      • \n

        Tank Size: 75+ gallons<\/strong><\/p>\n<\/li>\n<\/ul>\n

        \n

        Unique Features:<\/strong><\/p>\n

          \n
        • \n

          Stunning blood-red coloration<\/strong> makes it highly decorative.<\/p>\n<\/li>\n

        • \n

          Long-lived and resilient under proper care.<\/p>\n<\/li>\n

        • \n

          Efficient grazer for algae management in larger aquariums.<\/p>\n<\/li>\n<\/ul>\n

          \n

          \u2728 The Red Sea Urchin<\/strong> combines striking beauty with practical algae control<\/strong>, making it a superb choice for advanced aquarists with cooler reef systems.<\/p>\n","protected":false},"excerpt":{"rendered":"

          Red Sea Urchin \u2013 Heliocidaris erythrogramma Overview:The Red Sea Urchin is a vibrant echinoderm known for its brilliant crimson to deep burgundy spines. Its bold coloration makes it a standout addition to large marine aquariums while also serving as a useful grazer on unwanted algae. Origin:Native to temperate reef systems of the Western Pacific and […]<\/p>\n","protected":false},"featured_media":11774,"template":"","meta":[],"product_brand":[],"product_cat":[79],"product_tag":[],"class_list":{"0":"post-11775","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-urchins","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\/11775","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\/11774"}],"wp:attachment":[{"href":"https:\/\/aquadistribution.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11775"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/aquadistribution.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=11775"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/aquadistribution.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=11775"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/aquadistribution.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=11775"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}