Nudibranch or cowrie?

November 1, 2007
From: James A. Loyola

Dear Bill,

I saw this very small animal crawling relatively fast on a starfish before falling into the sand. I dont know if its a nudibranch. I hope you can help me identify it.

Locality: Arthur's Rock, Anilao, Batangas, 40 feet, Philippines, Pacific Ocean, 21 October 2007, coral rubble. Length: less than 1mm. Photographer: James A. Loyola.

Thank you
James A. Loyola

jaloyola88@yahoo.com

Loyola, J.A., 2007 (Nov 1) Nudibranch or cowrie?. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21033

Dear James,

This is Colpodaspis thompsoni. It certainly looks quite like an ovulid or a cowrie but the shape of the head and tentacles are quite different. It belongs to a primitive group of opisthobranchs which we dont know much about.

Best wishes,
Bill Rudman

Rudman, W.B., 2007 (Nov 1). Comment on Nudibranch or cowrie? by James A. Loyola. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21033

Factsheet

Colpodaspis thompsoni

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