Colour variation in Siphopteron quadrispinosum

January 19, 2004
From: Nils Anthes

Dear Bill,
Thanks for your comments on Siphopteron quadrispinosum [= Siphopteron spec 3]. Here are some more photos showing some more of the colour variation we found here [Lizard Island, Queensland, Australia - Jan 2004] . Overall, colouration is very constant, but the presence of the various red stripes all over the body varies quite a bit. Concerning the food resource: we tried feeding them the small acoel flatworms that are eaten by Chelidonura sandrana and C. hirundinina but they totally ignored them. The same applies to Siphopteron spec 5, so until now we unfortunately cannot solve the question of what this group feed on.
Best wishes
Nils

anthes@uni-muenster.de

Anthes, N., 2004 (Jan 19) Colour variation in Siphopteron quadrispinosum. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/11943

Thanks Nils,
These photos certainly cover a good range of variation. It would be good to see if Hawaiian animals show any variation. I'm sorry you couldn't tempt your animals to eat. I am sure we will be lucky one day.
Best wishes
Bill

Factsheet

Siphopteron quadrispinosum

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