i would not put largemouth bass in there if you like the chain pickeral i did it in my pond and the bass love to eat them.so now you can catch the chain but it is rare when i did use to have alot of them.a bass can eat a large chain pickeral and will do so i use them for bait for big bass here around my house in ga.chain pickeralalso like the taste of each other so once you get a big one any smaller ones that get around him he will eat them.