Mystery Critter?

[marie]

Originally Posted by justinl

many worms swim up into the water column to spawn. it's called sperm broadcast spawning; the worm will swim up into the water column to release sperm and let the water current spread the gametes around. my guess is that that is what you saw. poor worm was about to make kiddies and you interrupted the whole wonderful process of life by killing the poor thing. shame on you

They are called an epitoke when that happens (In case any one cares )

http://en.wikipedia.org/wiki/Epitoky