Hi i just got a lawnmower blenny and all the research i did told me they r very friendly but he is kinda big. ANy1 know of these fish to be agressive? p;ease get back to me as fast as u can
it can be very aggressive to the fish that looks like it in a tank that's not big enough for both same or similar looking fish. the lawn mover blenny also picks on my corals. but in overall, it's very friendly and has fun to watch personality