Hypselodoris ruthae (juvenile?) from St. Vincent

October 21, 2005
From: Les Wilk

Hi Bill;

Here's the only Hypselodoris ruthae we encountered during a 5-week field trip to the Caribbean island of St. Vincent. It was chugging away over the muck, fairly deep. With only 3 gold lines down its back I presume it's a juvenile.

Locality: ReefNet Point, St. Vincent Is., Caribbean. Depth: 70 feet. Length: 0.5 inch. July 2005. mucky bottom adjacent to a steeply sloping reef. Photographer: Keri Wilk

Les Wilk

wilk@reefnet.ca

Wilk, L., 2005 (Oct 21) Hypselodoris ruthae (juvenile?) from St. Vincent. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/15077

Dear Les,
It's certainly interesting to compare this juvenile with the adults in your other message [#15078]. As you note, in this animal there are only 3 longitudinal yellow lines and no indication of the light blue colouration. The white patches on the rhinophores are present, and so provide a useful link between the different colour forms, but the gills have yet to develop their white colouration and so appear blue.
Best wishes,
Bill Rudman

Rudman, W.B., 2005 (Oct 21). Comment on Hypselodoris ruthae (juvenile?) from St. Vincent by Les Wilk. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/15077

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