i have a friend just got a 265g tank at a steel $400 it came with 2 24inch clownknifes 1 28inch rtc 1 10inch oscar 2 12inch plecos and 2 18inch pacu he has no idea whats hes doing what is some good advice i could give him ? i told him to get rid of the rtc it had one of the knife fish in his mouth but let it go 

