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: honey brown, corbula (basket-shaped structure containing the reproductive polyps) brown, gonothecae (covering of reproductive structures) cream. Up to 15 cm high.

Biology

This is one of the most spectacular and graceful hydroids in southern Australia. Their colonies grow from late spring to winter, and they become fertile in autumn.

Distribution

Southern Australia.

Habitat

Ocean reefs in flowing current.

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