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Tube anemone (Pachycerianthus sp.)

Tube anemone (Pachycerianthus sp.), lives in sand-encrusted mucous tube buried in soft sediments. If disturbed, it can retract its body well into the tube. Has two sets of tentacles, one set encircling the mouth and another of much longer tentacles around the edge of the disc. They are most closely related to the black corals. Anilao, Manila, Philippines

© Mark Spencer/AUSCAPE All rights reserved

An anemone (probably Pachycerianthus sp.)

An anemone (probably Pachycerianthus sp.), a tube anemone that has two sets of tentacles, one encircling the mouth and another much longer around the edge of the disc. Tube anemones live in sand-encrusted mucous tubes on soft sediments such as mud sea floors, like this one found in a secluded bay. Galapagos Islands, Ecuador

© Mark Spencer/AUSCAPE All rights reserved

A colorful sea apple clings to a reef in indonesia

A colorful sea apple (Pseudocolochirus violaceus) clings to a reef in Komodo National Park, Indonesia. This beautiful area harbors extraordinary marine biodiversity and is a popular destination for divers and snorkelers

© Ethan Daniels/Stocktrek Images

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