People, and other catfish if the one is big enough to eat the other... that's about all I could think of.
dods prey on catfish
yes they did discover the blue catfish
krill
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Yes. The blue catfish is found in many states, including Michigan.
Unless it is a localized indigenous name, (common in the American South) they are known (properly) as "Blue Catfish", a specific species of catfish.
It eats fish
Yes, it preys on other creatures.
Blue catfish are the largest American catfish.Found in a variety of habitats,they can grow over 100 pounds!They eat mostly fish,but will take a variety of baits,anything with a smell.I saw a man catching them on chunks of soap!Blue cats are powerful fish,and fight great when hooked.They spawn in spring,and the young resemble tadpoles.
Blue catfish can get almost 8 feet long but other species in china can get even longer.
Its competition would be a blue catfish.
Catfish are fresh water fish and they hide in the mud. There are several saltwater catfish species, and these are sometimes prey for ospreys, pelicans, gannets, and boobies. Many catfish species, like blue catfish and channel catfish, and flatheads, are predatory, feeding mainly on fishes.