This Strongylocentrotus droebachiensis (Green Sea Urchin) was an inch and a half across. It was attached to a rock during the minus tide.
This 5" Henricia leviuscula leviuscula (Blood Star) seems to be recovering from Sea Star Wasting Syndrome.
This 3" Henricia leviuscula leviuscula (Blood Star) juvenile was quite attractive with its red dot in the center.
This 2" white sea cucumber may be a Cucumaria species, possibly pallida? I've found three of them this week, and hadn't seen any before.
This 4" Cucumaria miniata (Red Sea Cucumber) was feeding underwater with its bright orange tentacles.
Found washed up on the beach.
Echinoderms (Phylum Echinodermata from Greek, ἐχῖνος, echinos – "hedgehog" und δέρμα, derma – "skin") are a phylum of marine animals. The adults are recognizable by their (usually five-point) radial symmetry, and include such well-known animals as starfish, sea urchins, sand dollars, and sea cucumbers. Echinoderms are found at every ocean depth, from the intertidal zone to the abyssal zone. The phylum contains about 7000 living species, making it the second-largest grouping of deuterostomes (a superphylum), after...