More Echinoderms

This sea potato ( Echinocardium cordatum ) looks similar to its root vegetable namesake, but it's a sea urchin! The spines on this urchin are more hair-like than the spikes seen on some more commonly...
A tiny larval (baby) starfish. The immature forms of invertebrates and other animals may be even more vulnerable to threats such as oil spills than adult forms.
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