Flabellina trilineata from British Columbia

January 21, 2003
From: Clinton Bauder


Hi Bill,
Looking at the photos I sent you of Dirona aurantia, I realized I gave you a two-fer! If you look closely at the upper image you'll see along the left flank of the big Dirona a small aeolid. I'm pretty sure it's Flabellina trilineata. I'm basing this on the white lines down the sides and the fact that they form a Y on the head (most clearly seen in lower image file I've enclosed). Aside from nearly being run over it seemed oblivious to the larger animal which likewise ignored the smaller one.

Data: Mayne Is., British Columbia, Canada. 20m depth.

Clinton

gecko1@apple.com

Bauder, C., 2003 (Jan 21) Flabellina trilineata from British Columbia. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/8932

Thanks Clinton,
When I look at your original photo [copy alongside] I'm surprised I missed it - it seems so obvious now you pointed it out. I hope it doesn't indicate how much we probably miss in the field. I think your identification is correct, you can also see the white line on the side of the body.
Cheers,
Bill Rudman

Rudman, W.B., 2003 (Jan 21). Comment on Flabellina trilineata from British Columbia by Clinton Bauder. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/8932

Factsheet

Flabellina trilineata

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