14 Trivia arctica

Stages of body extension from shell.

Body very pliable, can withdraw into/extend from narrow aperture with speed and ease; siphon usually extended first to test water.

Colour saturation greatest top left where mantle most contracted. Saturation diminishes with extension; least at bottom right.

Height (longest shell-dimension) 9 mm. Menai Strait, Wales. March 2014.

 

Full SPECIES DESCRIPTION: flic.kr/p/Cfnfpb

OTHER SPECIES:

www.flickr.com/photos/56388191@N08/collections/

Done