The paper nautilus or argonaut, a cuttlefish.

Argonaut

The paper nautilus or argonaut, a cuttlefish.

"Part of a branch of a coral of the genus Gorgonia, showing one of the polyps expanded." -Dana, 1883

Coral Polyp

"Part of a branch of a coral of the genus Gorgonia, showing one of the polyps expanded." -Dana, 1883

The edible crab (Cancer pagurus) is a species of crab found in the North Sea, North Atlantic, and the Mediterranean Sea.

Edible Crab

The edible crab (Cancer pagurus) is a species of crab found in the North Sea, North Atlantic, and the…

A Radiate Echinoderm, a Crinoid, Encrinus liliiformis.

Cinoid

A Radiate Echinoderm, a Crinoid, Encrinus liliiformis.

The Snubnosed Eel (Simenchelys parasitica) is a fish in the Synaphobranchidae family of cutthroat eels.

Snubnosed Eel

The Snubnosed Eel (Simenchelys parasitica) is a fish in the Synaphobranchidae family of cutthroat eels.

Estheria californica is a species of Branchiopod crustaceans most closely resembling the shrimp.

Estheria

Estheria californica is a species of Branchiopod crustaceans most closely resembling the shrimp.

A common fish known for its flat appearance and both eyes being on the upper, darker side of its body.

Flounder

A common fish known for its flat appearance and both eyes being on the upper, darker side of its body.

A Radiate Polyp coral, Dendrophyllia.

Polyp

A Radiate Polyp coral, Dendrophyllia.

A Radiate Polyp, an Actinia.

Radiate Polyp

A Radiate Polyp, an Actinia.

The Spiny Sea Star (Echinaster sentus) is an echinoderm in the Asteroidea class of starfish.

Spiny Sea Star

The Spiny Sea Star (Echinaster sentus) is an echinoderm in the Asteroidea class of starfish.

"Sea-urchin (Echinus esculentus). Left side in natural state; right side with spines removed, showing the bare plates." -Whitney, 1911

European Edible Sea Urchin

"Sea-urchin (Echinus esculentus). Left side in natural state; right side with spines removed, showing…

A small crustacean.

Shrimp

A small crustacean.

An echinoderm called a starfish or sea star.

Starfish

An echinoderm called a starfish or sea star.

A Radiate Echinoderm, the starfish, Paleaster Niagarensis.

Starfish

A Radiate Echinoderm, the starfish, Paleaster Niagarensis.

Small in size in North America, the sunfish is Native on the east coast and is red or orange in color. The oceanic variety is several feet in length.

Sunfish

Small in size in North America, the sunfish is Native on the east coast and is red or orange in color.…

The Heart Urchin (Echinocardium cordatum) is sea urchin in the Loveniidae family.

Heart Urchin

The Heart Urchin (Echinocardium cordatum) is sea urchin in the Loveniidae family.