1. If the fish tank is not very big and there are many fish, the water will be turbid easily. Map fish is very edible and has a fast metabolism. In addition, a map fish often chases other fish of the same kind, so the water is easily turbid. To solve this problem, it is best to configure a filter in the fish tank.
2. Map fish is a fierce carnivorous fish, and it should be because of territorial awareness that it will bite other fish.
Map fish are not very picky about food, and bread worms certainly won't refuse. How much to feed depends on the size of the fish.