Might this be Navanax inermis?

August 14, 2007
From: Ken Tucker

Is this Navanax inermis? Looks quite similar, the lines are rather more broken than solid.

The photo was taken some time between 1994 and 1998.

Locality: Channel Islands, 20+ metres, California, USA, Pacific Ocean. Length: 5 cm. Photographer: Ken Tucker.

Ken Tucker

ken@kilili.com

Tucker, K.C., 2007 (Aug 14) Might this be Navanax inermis?. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/20188

Hi Ken,

Yes, your critter is indeed Navanax inermis. The coloration of this species varies quite a bit, from speckled to lined. The main give-away is that the speckles and spots always follow what one might call a broken line. Also the orange band along the edge of the mantle, followed by oblonged blue spots, pretty much nails the ID.

Best wishes,
Dave Behrens

Behrens, D.W., 2007 (Aug 14). Comment on Might this be Navanax inermis? by Ken Tucker. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/20188

Factsheet

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