Hypselodoris sp. 5 from Honduras

December 14, 2005
From: Les Wilk

Hi Bill;

I believe these are photos of what you refer to as Hypselodoris sp. 5.

Locality: Utila Island, Honduras, Caribbean. Depth: 40 feet. Length: 0.75 inch. July 2000. reef. Photographer: Keri Wilk

Les Wilk

wilk@reefnet.ca

Wilk, L., 2005 (Dec 14) Hypselodoris sp. 5 from Honduras. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/15451

Note added 26 June 2006: This is almost certainly a colour form of H. bayeri. See message #16979]

Thanks Les,
Yes this is what I am calling Hypselodoris sp. 5. Interestingly your animals show differences in the colour of the mantle border - small spots in one, large blotches in the other, and possibly differences in the rhinophore colours. I wouldn't be surprised if Hypselodoris sp. 5 and H. bayeri, and perhaps H. marci, turn out to be forms of one species, but unfortunately the two named species were not well described, so its difficult to know what they are. Combine that with the fact that we don't know whether we are dealing with one variable species of a number of similarly coloured species, and you get an idea of the problem. This problem is not going to be solved by someone giving names to a few apparently distinct colour forms. What we need is someone to study populations of these animals throughout the Caribbean, I am sure if there are really different species it will show up in different egg ribbons, development types, or even food choice.
Best wishes,
Bill Rudman

Rudman, W.B., 2005 (Dec 14). Comment on Hypselodoris sp. 5 from Honduras by Les Wilk. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/15451

Factsheet

Hypselodoris bayeri

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