General Description

Colony of individual polyps (hydranths) joined by root-like network of tubular stolons at the base. Colony shape is tree-like or bushy (arborescent). Colour: variable pale yellow to orange, gonothecae (containing reproductive structures) orange or pinkish. Up to 5 cm high.


Colonies of this species grow annually and become fertile in spring and summer.


Circumglobal, tropical to Antarctic waters. Southern Australia.


Subtidal, in still water colonies growing on invertebrates, particularly soft-textured sponges. To depths greater than 500 m.

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