General Description

Colony of individual polyps (hydranths) joined by root-like network of tubular stolons at the base. Colony shape is feather-like (pinnate). Colour: colonies variable in colour from greyish-brown to honey-brown. Up to 15 cm long.

Biology

This is one of the most spectacular and graceful hydroids in southern Australia. Their colonies grow throughout year, and become fertile spring to summer.

Distribution

New Zealand and Australia (Lord Howe Island, New South Wales, South Australia, Victoria, Western Australia).

Habitat

Subtidal, on hard substrates in flowing current.

More Information