R Rsxjh Premium Member Mar 9, 2014 #1 Could this be a fish/shrimp nipping at it? Kind of hard to see...what do you think? alt="">
E Eckolancer Membership Expired Mar 9, 2014 #2 Could be fish picking at it. Sent from pay phone in the airport.
S SumThinhWong Premium Member Mar 12, 2014 #3 it could be if you post a list of what fish you have it would be easier to find your culprit