Chromodoris lochi feeding

July 24, 2006
From: Pat Bergquist

Dear Bill
I thought you would like another feeding record of Chromodoris lochi. Having examined the sponge, I can confirm that it is the thorectid Petrosaspongia mycofijiensis.

Locality: Tobi Island, Palau. Depth 20 m, 13 December 1996. on overhang/wall. Sponge diam 4-7 cm; height 7-15 cm. The photo and the specimen are in the collections of the Coral Reef Research Foundation [Specimen OCDN4462-K].

Thanks to Lori Bell & Dr P. Colin, Coral Reef Research Foundation, for allowing us to use this information. Collections by the CRRF were made under contract N02-CM-77249 to the US National Cancer Institute. Collections were made under permits from Hatohobei State and the Bureau of Marine Resources, Republic of Palau.

Best wishes
Pat Bergquist
University of Auckland, N.Z.. 

Bergquist, P.R., 2006 (Jul 24) Chromodoris lochi feeding. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/17203

Dear Pat,
 The blackish patches are good evidence of feeding activity. Thanks for this identification. As you well know, this sponge, although described relatively recently, has a confused and confusing nomenclatural history. First considered a spongiid (Spongia mycofijiensis Kakou, Crews & Bakus, 1987) it has more recently been shown by you to be a thorectid (Bergquist, Sorokin & Karuso, 1999).

It has been referred to quite often in the chemical literature under various names, including Spongia mycofijiensis and Cacospongia mycofijiensis, as its secondary metabolites, like those of many sponges, are of great interest to natural products chemists as a potential cure for cancer, heart disease, ... or almost anything that causes disease.

Best wishes,
Bill Rudman

Rudman, W.B., 2006 (Jul 24). Comment on Chromodoris lochi feeding by Pat Bergquist. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/17203

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Chromodoris lochi

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