Posted: Mar 21 2008

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rayrard posted:

Not typically thought of as related to typical gastropods, but they are. I was wondering if anyone has taken pictures of the local Western Atlantic nudibranch fauna. Apparently this fauna is very poorly known.

I will be adding images as I begin to expand my knowledge on the local species.

Marlo:

Great idea.

Here are images of Nudibranchia collected during the first expedition of the Florida Marine Invertebrates Survey Project (March 4-6, 2008).

rayrard:

Armina abbotti (?=wattla) from coastal SC. Taken by trawl. It's 6-7cm in length. This is the only known Armina from the coast of the U.S. It has gone by several names (tigrina, abbotti, wattla, muelleri) but it appears that muelleri is a S. Caribbean species and A. tigrina is found only in the E. Atlantic. A. wattla was described from Georgia but A. abbotti appears to be a senior synonym. This Armina is the only type I've seen pictured from this coast. A. wattla should have the "smiley face" as shown in Caribbean specimens but I have yet to see an Armina from the SE coast with the "smiley face" marking (just jet black).

Anyone with Armina pics?

Marlo:

Here are photos of a local species.

Anne DuPont:

Regarding your question "if anyone has taken pictures of the local Western Atlantic nudibranch fauna" the answer is yes, I have.

You can see my photos of opisthobranchs from Palm Beach County, at:

http://www.jaxshells.org/opis.htm

I would also like to recommend "Caribbean Sea Slugs, A field guide to the opisthobranch mollusks from the tropical northwestern Atlantic"
This book is an excellent source for Western Atlantic Sea Slugs.

I hope this help you, Cordially, Anne

Marlo:

Great video of many Nudibranchs:

http://www.youtube.com/embed/mcbHKAWIk3I

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