Quote:
	
	
		| 
					Originally Posted by es355lucille  I think my guy has a shell. (Like a 1/2 shell on top) Its had to tell as he is a matte black color all over.....hard to see where one end starts and ends. | 
	
 that pretty much describes stomatella spp.  It's not a keyhole limpet btw.  Limpet mantles don't cover their shell (at least none of the ones I know of).