Catfish eat whatever is available, worms, fish, crayfish and any type of aquatic life they can find, they are not picky eaters.
Ducks, otters
you eat to live unless you are a lazy person. living to eat makes you're life a lot harder.
This depends on who you are asking. Those who are poor and don't have much money to buy food eat to live. Those that have enough money and tend to over eat live to eat.
Turtles othe fish birds some frogs