provided by Ecomare
The sea potato is a large, heart-shaped sea urchin. It is sometimes referred to as a heart urchin. You often see pieces of its bare and very breakable skeleton on the beach. A live sea potato has lots of spines which are flattened across its body. Its spines are shorter than by sea urchins and look more like hair than spines. Actually, it looks a lot like a hairy potato.
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Echinocardium australe: Brief Summary
provided by wikipedia EN
Echinocardium australe, or the New Zealand heart urchin is a sea urchin of the family Loveniidae, endemic to New Zealand. Length is up to 40 mm.
Underside view of test
of Echinocardium australe
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