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					Originally Posted by andestang
					
				 
				Its probably a Oenone Fulgida worm. 
			
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 Exactly!! I had one of these, killed snails a couple of times a week. Slimey jelly coating all over the empty shells. I never caught it, tried dipping the rock in soda water, broke the rock into 5 pieces, ended up getting rid of it.
These worms actually burrow under the sand in tunnels of slime they create. Mine was about 2 feet long....