Looks like I have a whelk. That sucks! I was enjoying watching this guy cruise through the sand, bury hinself then reappear days later on the glass somewhere. I don't want him to eat all my snails though... 
 
One of the sites I just checked out was a chronicle of a guy hunting down the numerous whelks in his large system. Any suggestions? 
		
	
		
		
		
		
		
	
		
		
	
	
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