Hypselodoris kanga feeding

March 19, 2003
From: Mary Jane Adams


Hi Bill,
I photographed the attached images of Hypselodoris kanga on the Bang Sak wreck near Khao Lak, Thailand. This divesite is on the west (Andaman Sea) coast of Thailand. The depth was 12 to 15 meters.

Image A was photographed on Feb. 18, 2003 and images B and C on March 1, 2003. They were all feeding on sponges that appeared gray at this depth, but were really pink when illuminated. Much of the sponge growth on top of this wreck was covered with silt and debris, but I did find places where enough was exposed to show the structure [A].

The pair in B stayed close together all afternoon while ripping chunks off the sponge.

The pair in C were about half a meter away. Note the bifid left rhinophore in the larger one. All the H. kanga I saw on this wreck were 15-20mm long. This is only about half the length of the all-over-spotted ones I photographed in Lembeh Strait, Sulawesi, Indonesia. [see previous messages]

Best regards,
Mary Jane

divepng@yahoo.com

Adams, M.J., 2003 (Mar 19) Hypselodoris kanga feeding. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/9417

Dear Mary Jane,
Thanks for these images. By wonderful co-incidence your message arrived the day I posted Danny Van Belle's photos of specimens of H. kanga clustered around small colonies of the same sponge. I think we can be pretty sure this is its favourite food - at least in Thailand.
Best wishes,
Bill Rudman

Rudman, W.B., 2003 (Mar 19). Comment on Hypselodoris kanga feeding by Mary Jane Adams. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/9417

Factsheet

Hypselodoris kanga

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