Phyllidia madangensis from Vanuatu

October 5, 2003
From: Gary Cobb

Hi Bill,
Can you help me identify this nudibranch please?. I found it at Efate Island [Hideaway Island], Vanuatu
Site: Gothum City
Depth: 16m
Length: 20mm
Date: April 2003
Day time

Many thanks again,
Gary Cobb

Dear Gary,
This is Phyllidia madangensis. Another species, Phyllidia carlsonhoffi, is very similar in colour but in that species the large tubercles are interspersed with small tubercles.
Best wishes
Bill Rudman

Rudman, W.B., 2003 (Oct 5). Comment on Phyllidia madangensis from Vanuatu by Gary Cobb. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

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