Colour variation in Aplysia parvula
December 16, 2003
From: Marina Poddubetskaia
Dear Bill,
I know you have many Aplysia parvula photos on the Forum, but I'd like to add these ones because they show the variability in Indian specimens.
The parapodia edge ranges in colour from black to pale blue. The foramen is widely open (the internal shell can be seen in all the photos) and it can be bordered with black or not. The body colour varies too. Especially, the second specimen is very similar to the Mediterranean A. parvula.
This species is quite common in Mayotte. All the specimens were moved for the photo. But most of them were found inside a red alga which I have sent in a separate message. In the Mediterranean, A. parvula is often found in the very similar alga Sphaerococcus coronopifolius.
Upper 2 Photos: November 11, 2003. Bandrele, Mayotte Island, Indian Ocean., Site: Passe Bandrele,
Depth: 8-9m., Size: Upper: 12mm., Middle photo: 15mm.
Lower Photo: November 13, 2003. Location: Mayotte Island, Indian Ocean., Site: Passe en S, buoy n° 1bis., Depth: 20m
Size: 10mm
Cheers,
Marina.
nembro@nembro.info
Poddubetskaia, M., 2003 (Dec 16) Colour variation in Aplysia parvula. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/11648Thanks Marina,
I always welcome photos showing variation like this. The photos of this species on the Forum have helped to clarify the identity of this species worldwide.
Best wishes
Bill Rudman
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