The brooding anemone, Halianthella annularis, is a species of sea anemone in the family Halcampidae.Branch, G.M., Branch, M.L, Griffiths, C.L. and Beckley, L.E. 2010. Two Oceans: a guide to the marine life of southern Africa
Description The brooding anemone is a pale, fragile-looking anemone, having 24 long, transparent tentacles.Jones, Georgina. A field guide to the marine animals of the Cape Peninsula. SURG, Cape Town, 2008.
Distribution It is found only around the South African coast, from Lamberts Bay to Cape Agulhas.
Ecology This anemone is found subtidally down to at least 20m under water. It favours sheltered areas and overhangs.
Juveniles are brooded in a fold of the skin on the column of the parent.
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