FRAME 8 - {FatherLand} View of a S. purpuratus sea urchin spawning in a shallow tide pool with other sea urchins nearby.
(a S. purpuratus sea urchin; spawning; L:in a shallow tide pool with other sea urchins nearby)
a S. purpuratus sea urchin
spawning
L:in a shallow tide pool with other sea urchins nearby