Re: Platydoris striata or P. cruenta from Reunion Is.
April 25, 2008
From: Philibert Bidgrain
Concerning message #20542:
Dear Bill,
Reunion Island seaslugs
In our island we have found this pattern of coloration for Platydoris species.
It looks like P. cruenta but with very small red patches on the dorsal side and no red patches on the underside - But it also looks like P. striata except fot the presence of the small red spots [see message #20614 ]...
Locality: Saint Leu, 10 m, Reunion Island, Indian Ocean, 14 March 2007. Length: 60-70 mm. Photographer: Florence Trentin.
What's your opinion about this specimen?
Best regards
Philibert Bidgrain
http://vieoceane.free.fr/runseaslug/indexslug.htm
pbidgrain@yahoo.fr
Dear Philibert,
I would agree there is little to separate P. striata and P. cruenta other than the red spots in the latter and Dorgan et al (2002) consider P. striata to be a synonym of P. cruenta. However as I have discussed previously [message #20542] I think we need a real case to be made for synonymising the two species, especially since Dorgan et al consider two unlined species of Platydoris, which differ mainly in the presence or absence of red spots, to be separate species.
Best wishes,
Bill Rudman
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