Navanax diet

January 27, 2001
From: Vincent A. Parsick III

I have a Navanax in my aquarium, it co-exists perfectly with my Moray's, Lion Fish, Hermit Crabs, snails and Clown Fish, however it never seems to eat. What do these things feed on, and where can i get the food? I've tried algae, fish food, reef strogonof and lance fish, but it just slithers right over all of it, in some non successful hunting mission!

Please reply soon, as its been about two months that my poor navanax has been starving!

San diego diver
Vince Parsick

P.S. do you have any jobs in the San Diego area? I love marine biology, scubadiving, and sea life observation, and collecting!
Vince Parsick

PROSPECTPHOTO@SPRYNET.COM

Parsick, V., 2001 (Jan 27) Navanax diet. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/3635

Dear Vince,
In nature, Navanax inermis feeds on other sea slugs - such as bubble shells and sometimes nudibranchs. If you have a look at the top of this page you will see a link to Rhanor Gillette's website where there is a short video clip showing Navanax feeding.

On rocky shores it tends to feed on nudibranchs such as Hermissenda crassicornis, Polycera atra and Dirona picta, but I understand they are not that fussy. On sheltered muddy or sandy bottoms it feeds on bubble shells such as Haminoea virescens and Bulla gouldiana. I don't have photos of either species on the Forum but have a look at the photos of Bulla ampulla and Haminoea ovalis, which are both similar in shape, although Haminoea ovalis is much more brightly coloured than H. virescens.

Hope that gives you some clues on what to feed it. Concerning your job application. The world wide web is definitely worldwide. I live and work in Sydney, Australia, so I am afraid I have no jobs available in the San Diego region, or anywhere in California for that matter.
Best wishes,
Bill Rudman

Rudman, W.B., 2001 (Jan 27). Comment on Navanax diet by Vincent A. Parsick III. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/3635

Factsheet

Navanax inermis

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