Navanax inermis

October 3, 1998
From: Erwin Koehler

Dear Bill,
I hope you are getting better soon and paid as well as a heart doctor...
My question:
At http://www.ncups.org/RBrown.htm
are two Navanax inermis (as I guess) what is the thing they've got at their back, looking like gills?
Best wishes
Erwin

Erwin Koehler

Medslugs.Koehler@t-online.de

Koehler, E., 1998 (Oct 3) Navanax inermis. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/244

Dear Erwin,
I have copied, with permission, Reggie Brown's photo of two animals mating. (Arrows point to the head of each animal.) [Copied with permission from his Northern Californian Underwater Photographic Society website].

The two animals in the picture are mating. The arrows point to the their heads. I'm not sure what part of the animal you are asking about. If it is the creamy white "finger-like" pattern you can see halfway down the back of the animal on the right then that is just a colour pattern at the posterior tip of the "anterior shield". The gill in aglajids is hidden under the enclosed shell at the posterior end of the body. .. Bill Rudman.

Rudman, W.B., 1998 (Oct 3). Comment on Navanax inermis by Erwin Koehler. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/244

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