I am a researcher working in Iceland. I analyze photographs and video of the
sea floor to identify organisms and draw conclusions about community
structure which are then related to environmental factors. I found recently
an organism on one of the slides that I am not sure how to identify. It is
clearly an infaunal organism with tentacles that radiate out from a central
point. The problem is the size. Judging by the fact that the image is about
0.6 sq. m, the tentacles are more than 30 cm long...which would mean that
the animal is also at least that long. This seems too long to be a
terebellid to me, but I don't know any other taxa that has many long smooth
tentacles that are dragged across the sediment. So, I ask you folks...how
big do terebellids get? Here's the picture:
http://www.flickr.com/photos/ericdossantos/4540826876/
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