Curious specimen of Flabellina pedata

March 26, 2008
From: Miquel Pontes

Dear Bill,

We came across this specimen of Flabellina pedata in our last dive. I was surprised to discover a bifurcated oral tentacle.

I don't know whether this is common or not, nor if it is a genetic anomaly that can be seen in other species, but I found it to be curious and wanted to share this with the forum readers.

Locality: Platja de Caials, Cadaqués, Costa Brava, 12 metres, Spain, Mediterranean Sea, 27 october 2007, Rocky precoraligen bottom. Length: 15 mm.. Photographer: Miquel Pontes.

Best regards

Miquel Pontes
http://marenostrum.org

info@marenostrum.org

Pontes, M., 2008 (Mar 26) Curious specimen of Flabellina pedata. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21044

Thanks Miquel,

I assume it's a developmental abnormality, but surprisingly, if you look at the Abnormalities page. you will see we already have two examples of F. pedata with the same anomaly.

Best wishes,
Bill Rudman

Rudman, W.B., 2008 (Mar 26). Comment on Curious specimen of Flabellina pedata by Miquel Pontes. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21044

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