Lawnmower blennies are mostly after the film algae that grows on rock and glass, and are usually not very useful for filamentous algae control. There might be the occasional one who'll eat it but it's more the exception than the rule. Usually what you see when you have a lawnmower blenny is kiss marks on the glass as they rasp the glass clean of the film on it..
I was going to post, but Delphinus took the words out of my mouth.
05-12-2010, 08:42 PM
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