directions_boatThis is an invasive or introduced species.
SA Distribution
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Size: zooids to 2 cm
Distribution: Few SA records in Adelaide metro waters. Glenelg and Garden Island
Habitat: Estuaries and mangroves of man-made structures
Depth: Shallow subtidal
An introduced species, this small ascidian is found in aggregations on man-made structures. It has distinctive flared siphons, white with 4 black bands, but the brownish club-shaped body is usually heavily encrusted. This species can be distinguished from others by its black and white colouration and smooth-rimmed, flared siphons.