Red-throated Ascidian (Herdmania momus)

Also known as Bulbous Tunicate, Colonial Ascidian, Compound Ascidian, Giant Ascidian, Globular Sea Squirt, Herdman's Sea Squirt, Sea Squirt, Solitary Sea Squirt, Tunicate

Description

Also known as Bulbous Tunicate, Colonial Ascidian, Compound Ascidian, Giant Ascidian, Globular Sea Squirt, Herdman's Sea Squirt, Sea Squirt, Solitary Sea Squirt, Tunicate.

Found singly often sometimes covered in algae in shallow sheltered waters but has been found deeper in harbours on ship hulls and shipwrecks over coral and rocky reefs. The shrimp Pontonia sibogae is often found living in the sac of the tunicate.
They feed on suspended plankton.
Varies in colour.
Length - 8cm
Depth - 3-100m
Worldwide

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/Herdmania_momus

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