Hypselodoris apolegma with a parasite from Bali

December 7, 2006
From: Mike Krampf

I thought you might find this picture interesting because of what appears to be some type of bug or parasite on the Hypselodoris apolegma. I found this nudi pretty deep on the wall at Drop Off.

Locality: Tulamben, 100 ft, Bali, Indonesia, Java Sea, 7 October 2006, Reef Wall. Length: 4 cm. Photographer: Mike Krampf.

Mike

mtkrampf@yahoo.com

Krampf, M., 2006 (Dec 7) Hypselodoris apolegma with a parasite from Bali. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/18904

Dear Mike,

Your potential parasite is a small crustacean of some sort, either isopod or amphipod but hard to tell from this photo. I can't see a branch on the antennae so I'll plump for isopod but I am no expert on crustacea. Although some shrimps, such as Periclimenes, and many copepod crustacea are known to associate with opisthobranchs as parasites, commensals and symbionts, I can't recall any amphipods or isopods being reported to have such relationships. My guess it was just having a little adventure.

Best wishes,
Bill Rudman

Rudman, W.B., 2006 (Dec 7). Comment on Hypselodoris apolegma with a parasite from Bali by Mike Krampf. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/18904

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