Facelina bostoniensis burrowing

April 29, 2010
From: Jerry Shine

Hello Bill,
I've attached a photo of a Facelina bostoniensis exhibiting burrowing behavior. I've read that F. bostoniensis has been found off Northern Ireland in the empty burrows of rock-boring clams but haven't found anything else in that regard. The bottom here is not rock but mud. Several minutes after taking this shot, I witnessed a second F. bostoniensis doing the same thing. Currents in the area are minimal.

Locality: Whale Cove, Rockport, 5 meters, Massachusetts, USA, Atlantic Ocean, 23 April 2010, muddy. Length: 20mm. Photographer: Jerry Shine.

Thanks.
Jerry

shine@bluespherepubs.com

Shine, J., 2010 (Apr 29) Facelina bostoniensis burrowing. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/23561

Dear Jerry,

This is an interesting observation. From your photo the animal appears to be coming out of a burrow. What would be nice to know is whether they actually burrow into the mud - that is make their own burrow, or do they just make use of empty burrows made by worms or other assorted burrowers.

Best wishes,
Bill Rudman

Rudman, W.B., 2010 (Apr 29). Comment on Facelina bostoniensis burrowing by Jerry Shine. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/23561

Factsheet

Facelina bostoniensis

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