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: colony silvery white. Up to 20 cm high.

Biology

This is one of the most spectacular and graceful hydroids in southern Australia. They occur in late winter to early summer, and are fertile in winter.

Distribution

Southern Australia: New South Wales and Victoria.

Habitat

Subtidal, in rocky reef habitats in areas of flowing current.

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