Risbecia pulchella without gills

January 12, 2001
From: Valda Fraser

Dear Bill
Risbecia pulchella is very common along our coast. This one is not going to win a beauty contest! I hope it'll survive!
Locality: Aliwal Shoal, Umkomaas, south coast KwaZulu-Natal, SOUTH AFRICA, 15m
Date: Jan 2001
Size: 15mm
Regards
Valda Fraser

valda fraser@mweb.co.za

Fraser, V., 2001 (Jan 12) Risbecia pulchella without gills. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/3507

Dear Valda,
It seems these animals can survive quite a lot. Ther are not too many fish that could survive without their gills or land animals withour their lungs but a survivor such as this seems to confirm that they do quite a bit of oxygen exchange through their body wall.

Do all your Risbecia pulchella look like this? The spots are quite a bit larger than 'typical' R. pulchella, quite similar in fact to Risbecia ghardaqana.
Best wishes,
Bill Rudman

Rudman, W.B., 2001 (Jan 12). Comment on Risbecia pulchella without gills by Valda Fraser. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/3507

Factsheet

Risbecia pulchella

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