White colonial sea squirt

Scientific name

Didemnum perlucidum

Key features

Key features of White colonial sea squirt include:

• white colouring
• grows in an encrusting manner or forms rope-like tendrils.

Habitat

The White colonial sea squirt:

• hard surfaces particularly artificial structures (marinas, moorings, etc.)
• found in estuaries and marine waters
• commonly found 1-3m deep but can be up to 8m deep.

Impacts

The White colonial sea squirt:

• overgrows native species
• causes major fouling of wharf pylons, buoys, marinas, pontoons, water intake systems, aquaculture equipment, etc.

Known established populations

The White colonial sea squirt is currently not present in Victoria.