Talk:Fish Display/@comment-2605:A601:420A:0:24DC:6C45:1B02:5DE9-20180525024054

It may be an intended to be able to raise and breed the fish in captivity. Right now experimentation is the only way to discover what the right food and amount is. Dough seems to work well, but you should feed them on a regular schedule with the same food and keep a record of the results. Have a different tank for each type of fish.