Octocorals; Octocorallia

The Octocorals include Soft, Whip and Fan corals, plus the Sea Pens. Many of these Cnidarians are hosts to small macro beasties for our scuba diving underwater photography fiends.

Some less spectacular soft coral genera - Lobophytum, Sarcophyton and Sinularia Corals - in a variety of shades of brown! (3 Galleries)

Living where the currents run, featuring horny, flexible protein-based skeletons. (2 Galleries)

Dendronephya, Lemnalia and Studeriotes species.

Found out on the sand, beyond the coral reef. Some will retract quickly if alarmed by a blundering diver.

A colourful variety of filter feeding structures, all with dubious identities!

A sub-order of beautiful filter feeders, always found where the currents can run strongly.

A distinctively shaped Soft Coral with its own unique family.

They all recognisably have 8 tentacles at least...