NH Rocky Intertidal

Common organisms of the NH Rocky Coast

All 38

Taxonomy
« Back To Animals Kingdom Animalia
- Echinoderms Phylum Echinodermata
  - 2 Sea Stars and Brittle Stars Subphylum Asterozoa
  - 1 Sea Urchins and Sea Cucumbers Subphylum Echinozoa

Henricia

Henricia is a large genus of slender-armed sea stars belonging to the family Echinasteridae. It contains about fifty species.

Asterias is a genus of the Asteriidae family of sea stars. It includes several of the best-known species of sea stars, including the (Atlantic) common starfish, Asterias rubens, and the northern Pacific seastar, Asterias amurensis. The genus contains a total of six species in all.

Green Sea Urchin

Strongylocentrotus droebachiensis is commonly known as the green sea urchin because of its characteristic green color. It is commonly found in northern waters all around the world including both the Pacific and Atlantic Oceans to a northerly latitude of 81 degrees and as far south as the Puget Sound (Washington State) and England. The average adult size is around 50 mm ...more ↓