I know when I worked at the store we always had folks bring in their huge oscars and midas cichlids, lots of pacus from petsmart that got too big as well. Normally we'd sell them for $20 and the Asian folks would buy them to eat if they were big enough
Username: Flyingmonkeypoop (real name is Mike)
Years keeping fish: about 20 years
A few species you have kept: Too many lol. I have had tetras, platys, mollys, swordtails, betas, loaches, plecos, paradise fish, guppies, gouramis, convicts, firemouths, sun fish, perch, calvus, darts, bicher...