Thuridilla hoffae from Mayotte

November 28, 2003
From: Marina Poddubetskaia

Dear Bill,
Here is one more Thuridilla from Mayotte : I think it is Thuridilla hoffae and I'd like you to confirm it, please. The second specimen seems bluer than usual, but in fact the photo is overexposed (much more light than usual). The real colour was dark blue.

Each time I photographed this species (usually found under stones and dead corals), it tried to hide into some tiny hole somewhere in the rock. I lost 2 specimens like this.

Upper Photo 1:
November 11, 2003
Location: Handrema, Mayotte Island, France, Indian Ocean
Site: Banc Laclocheterie
Depth: 5m
Size: 10mm
Lower Photo 2:
November 05, 2003
Location: Mayotte Island, France, Indian Ocean
Site: Passe en S, buoy n° 3
Depth: 6m
Size: 5-6mm

Best wishes,

Poddubetskaia, M., 2003 (Nov 28) Thuridilla hoffae from Mayotte. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Thanks Marina,
Yes I'm sure this is Thuridilla hoffae.
Best wishes
Bill Rudman


Thuridilla hoffae

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