i just saw this on my pangasius cat just now i have no clue what it is no one else in the tank has it please help me should i take him out of the tank is this contagious please help me as soon as possible idk what to do tank mates are a silver aro another pangasius two asian sun catfish and a flagtail i am currently treating the tank for ick im three days into it idk if that has anything to do with it temp is at 82 and water perimeters: ammonia 0 nitrites 0 nitrates 25 please help idk whether or not to separate him i do not want any of my other fish to get this