Thuridilla livida from the northern Marianas
November 15, 2005
From: Takao Urasawa
Dear Dr Rudman
Is this Thuridilla hoffae?
Locality: Wing beach, Saipan, Northern Mariana Islands. Depth: 12 m. Length: 20 mm. on the coral. Photographer: Takao Urasawa
Takao Urasawa
dswith@isletwind.com
Takao Urasawa, 2005 (Nov 15) Thuridilla livida from the northern Marianas. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/15201Dear Takao,
This is Thuridilla livida. Both this species and T. hoffae are reported from the Mariana Ids, but T. livida has a more colour bands at the mantle edge. Gosliner (1995) describes the parapodia to be bordered with a series of lines - "The innermost line is black followed by lines of orange, black and bright blue..." I can only assume he means the outermost not innermost line is black, as in your photo the order of the lines is reversed..
Best wishes,
Bill Rudman
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