Lawnmower blenny...

[sphelps]

It's most likely just a false accusation, a lot of times people will see a fish allegedly picking on a certain coral and assume they are feeding on the actual coral and then report it to the world. However the herbivores and omnivores in my tank will often "pick" at the stony corals many times a day and the corals show no sign of any damage. I believe the corals are just getting somewhat of a cleaning, as in the wild schools of tangs and other fish will often eat the algae off large colonies of stony corals.

In addition I've never heard of anyone having such problems with a lawnmower blenny.