Sea Biscuit -Meoma Ventricosa

The Sea Biscuit otherwise known as the Red Heart Urchin is an easy addition to the aquarium. It this very short spines. Category Invertebrate Care Level Easy Diet Omnivore Size Medium 2"-3" Origin Florida Supplements Calcium, Iodine Water Condition 72-78F, dkh 8-12, PH 8.1-8.4, sg 1.023-1.025 Water Flow Medium Light Medium Reef Compatible Yes Compatibility See Chart    The Sea Biscuit, known by the common names cake urchin and red heart urchin, is a large species of sea urchin which lives in shallow waters in the Caribbean. It may reach a diameter of twenty centimeters and is covered in reddish-brown spines.