Gorgonian Wrapper (Nemanthus annamensis)

Also known as Colonial Anemone, Colonising Anemone, Communal Anemone, Coral Anemone, Gorgonian Wrapper Colonial Anemone, Hexacoral, Parasitic Anemone, Tiger Anemone, Venus Flytrap Sea Anemone, Whip Anemone, Zebra-striped Gorgonian Wrapper

Description

Also known as Colonial Anemone, Colonising Anemone, Communal Anemone, Coral Anemone, Gorgonian Wrapper Colonial Anemone, Hexacoral, Parasitic Anemone, Tiger Anemone, Venus Flytrap Sea Anemone, Whip Anemone, Zebra-striped Gorgonian Wrapper.

Found in colonies often creating a carpet effect, wrapped around dead skeletons of gorgonians (hence the name) black corals and sea whips over coral and rocky reefs.
They lay flat during the day and show their tentacles at night when feeding.
They feed on plankton.
Width - 3cm
Depth - 18-20m
Widespread Indo-Pacific

Sea Anemones are large solitary polyps which have no skeleton. They have a basal or pedal disc which helps them crawl and dig into place, for some, once in place it is virtually impossible to move. Other smaller anemones move around the reef to feed at night.
Most eat plankton, but they are capable of eating anything caught in their stinging tentacles including quite big fish.
The fringing tentacles are configured in six or multiples of six.
Some sea anemones have a symbiotic relationship with sea anemones and some live commensally with various crabs, shrimp and brittle stars. Ref: https://en.wikipedia.org/wiki/Nemanthus_annamensis

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