Leather sea stars are a member of the echinoderm family, which also contains sea urchins and sea dollars. The most commonly found sea stars have five limbs; however, there are species with 10, 20 and even 40 limbs.
The leather sea star gets its name from the mucus that makes it skin feels smooth like wet leather. Unlike other sea stars it does not have spines but instead papulae or clumps of gills that are a brighter red/brown colour, with the edge of the animal being blue/grey. It has five arms that protrude from its central part that contains its mouth and stomach…
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