Ten-lined Urchin (<i>Eucidaris metularia</i>)
<a rel="nofollow" class="external text" href="https://www.inaturalist.org/users/746178">Georgina Jones</a>
CC BY-SA 4.0
<a rel="nofollow" class="external free" href="https://www.inaturalist.org/photos/236885003">https://www.inaturalist.org/photos/236885003</a>