Also known as Blue Lollypop Tunicate, Blue Palm Coral, Blue Pom-pom Coral, Colonial Ascidian, Compound Ascidian, Fasicular Sea Squirt, Grape Tunicate, Lollipop Coral, Lollipop Tunicate, Robust Sea Squirt, Sea Squirt, Stalked Ascidian, Stalked Green Ascidian, Stalked Purple Ascidian, Tunicate, Zooids.
Found over reef drop-offs and overhangs, of protected, shallow lagoons, and coastal reefs.
They feed on detritus and plankton.
Length - 12cm
Depth - 1-13m
Ascidian, also known as tunicates because their bodies are covered by a "tunic" a tough cellulose-like covering.
The other common name is sea squirt because when threatened they sometimes eject a jet of water. Ref: https://en.wikipedia.org/wiki/Nephtheis_fascicularis