Hypselodoris zephyra from South Japan

January 24, 2001
From: Mizuho

Dear Bill,
I again send a photo of a species I could not identify. It looks like Hypselodoris zephyra, but I am not sure.

Information:
Bonotsu, Kagoshima, South Japan, November 2000, Water Temp 23C, Depth 15m, in a dent of a rock wall.
Mizuho

iwa@fc4.so-net.ne.jp

Mizuho, 2001 (Jan 24) Hypselodoris zephyra from South Japan. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/3599

Dear Mizuho
It certainly looks like Hypselodoris zephyra but I am having some difficulty in finding a good external character to separate this species from Hypselodoris nigrostriata. On the whole, H. zephyra seems to have the lines on the body arranged longitudinally while in H. nigrostriata they are often diagonal. Also, in H. nigrostriata the gills are edged in orange and there are white patches along the outer face, while in H. zephyra the gills seems to be uniformly translucent orange.

On that basis I think you are best in identifying it as H. zephyra
Best wishes,
Bill Rudman.

Rudman, W.B., 2001 (Jan 24). Comment on Hypselodoris zephyra from South Japan by Mizuho. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/3599

Factsheet

Hypselodoris zephyra

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