fighting

This is the dominant male yellow lab. Above his lip looks scarred, trying to figure out if I need to do anything or just assume it's from fighting.

I had a customer call me the other day regarding some issues that he was having with his fabulously-equipped, obscenely expensive 300 gallon mixed reef system. He’s got the usual littany of tech toys that scare off many freshwater folks making the switch to the "reef" side of the game- high...