Flabellina trophina feeding and laying eggs

October 3, 2008
From: Marli Wakeling

Concerning message #21914:

Hi Bill,
I thought I would send in this record of feeding for Flabellina trophina. There were many of them in a field of solitary hydroids (a Tubularia sp.), and they had reduced it to a field of stalks. Some were laying eggs on the remains of the hydroids.

Locality: Bowyer Island, Howe Sound, 45 feet, British Columbia, Pacific, 07 Sept 2008, Rock reef. Length: 20mm. Photographer: Marli Wakeling.

Cheers,
Marli Wakeling

scubamarli@gmail.com

Wakeling, M., 2008 (Oct 3) Flabellina trophina feeding and laying eggs. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21924

Dear Marli,

Thanks for these interesting photos. In an earlier message [#12533] Jackie Hildering & Glen Miller suggested they had photos showing this species feeding on tube worms. The tubes in your photos look very similar. My problem is that from photos alone we can't tell whether the tubes are worm tubes or hydroid tubes. When you say they were in a field of solitary hydroids, were there any tubes which still contained hydroids? Or is there some other way you can be sure these are hydroid tubes rather than worm tubes.

Best wishes,
Bill Rudman

Rudman, W.B., 2008 (Oct 3). Comment on Flabellina trophina feeding and laying eggs by Marli Wakeling. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21924

Factsheet

Flabellina trophina

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