Horseshoe crab, whelk and silversides all searching for food.

Burrowing Anemone
Ceriantheopsis americanus
Tentacles in two distinct whorls.
Stinging cells called nematocysts on tentacles capture food and bring toward central mouth.

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nikon anem closed (2)

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nikon lug worm (2)

feather 1 nikon (2)

Carnation Worms
Hydroides dianthus
Tentacles around mouth used for filter feeding and gas exchange.
Protects soft body within calcareous shell-like tube.

Red Beard Sponge
Microciona prolifera
Colony of filter feeding primitive animals which must encrust to grow.