Re: Hypselodoris nigrostriata from Bali

March 21, 2003
From: Phil Cromwell

Bill,
In Danny Van Belle's message you distinguish Hypselodoris nigrostriata and Hypselodoris zephyra by saying the latter has simple gills while the former has gills which are triangular in cross-section. If this is so, it seems that several photos on the Hypselodoris zephyra page need to be reviewed.
Thanks,
Phil

chiron42@msn.com

Dear Phil,
Yes I do need to revisit these messages. I have had difficulty in separating these two species since H. zephyra was described, partly because the gills have not always been clear in photos and the colour patterns of the two species tend to overlap. With more material now available I feel more confident in separating the two, so I am shifting quite a few of the animals I identified as H. zephyra across to H. nigrostriata. I must say that I am still not sure of some of the photos. I have also added a couple of new records of H. zephyra from eastern Australia.
Best wishes,
Bill Rudman

Rudman, W.B., 2003 (Mar 21). Comment on Re: Hypselodoris nigrostriata from Bali by Phil Cromwell. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/9288

Factsheet

Hypselodoris zephyra

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