Mexichromis from Papua New Guinea

August 18, 2000
From: Mary Jane Adams


Hi Bill,
Can you tell which species of Mexichromis these are? I found them on a silty sand slope near Bunama Mission, Normanby Island, Papua New Guinea in March 1999.
Depth = 23 meters
Length = about 22 mm
(Note missing rhinophore in bottom photo)

Thanks!
Mary Jane

mjadams@earthlink.net

Adams. M.J., 2000 (Aug 18) Mexichromis from Papua New Guinea. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/2838

Dear Mary Jane,
I am afraid there is no simple answer at present. If you read some of my comments on the Mexichromis pages you will see that my 'simple solution' has been scuttled by an embarassment of specimens. I am just arranging photos in 'look alike' groups until I can rework the material I have in hand.

So I have put your animals on the Mexichromis cf. multituberculata page, but at present the limits are blurred and it seems that the degree of tuberculation may not be a useful species character, more than one species may in fact have a range from low rounded tubercles to quite elongate pointed papillae.

Best wishes,
Bill Rudman.

Rudman, W.B., 2000 (Aug 18). Comment on Mexichromis from Papua New Guinea by Mary Jane Adams. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/2838

Factsheet

Mexichromis multituberculata

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