Variations in Hypselodoris carnea

October 14, 2005
From: Colin Ogden


Hi Bill,
this morning a took these photos of 2 Hypselodoris carnea. The variation is quite substantial. The first photo shows a very colourful patch on the mantle just behind the gills, while the second photo is a more common appearance.

Locality: Sodwana Bay, South Africa, Indian Ocean coast. Depth: 10 metres
Length: 3 cm. 12 October 2005. sponge algae reef. Photographer: Colin Ogden

Regards
Colin

scubaco@iafrica.com

Ogden C. M., 2005 (Oct 14) Variations in Hypselodoris carnea. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/15008

Dear Colin,
My first thought was that you had Hypselodoris carnea and the very similar looking H. capensis, but the locality would seem to preclude that. The bright patch seems to be something to do with the colour of the mantle glands, which in Hypselodoris are often much larger behind the gills. What you didn't mention is that the second specimen is nestled into a colony of a sponge (Family Dysideidae) which is almost certainly its food sponge. I am pretty sure, in this case, that the white mass at the front of the body is its everted buccal bulb. A nice new feeding record!
Best wishes,
Bill Rudman

Rudman, W.B., 2005 (Oct 14). Comment on Variations in Hypselodoris carnea by Colin Ogden. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/15008

Factsheet

Hypselodoris carnea

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