In there natural habitat they will eat fish, earth worms, tadpoles, snails, plants, and small fish. If you had a crayfish as a pet then you can feed it sweet potatoes, dried fish food, cat food, or pumpkins. Back to top How to take care of a crayfish To take care of a crayfish you need a tank with water in it, a house, rocks, sticks, and plants. Its important to clean the tank every 2 or 3 days. Crayfish need clean cold water to survive.
Some people recommend an air pump to add fresh oxygen to the water.
A crayfish has a lot of predators. Some of them are raccoons, Herons, fish, people, squirrels, storks, and birds. Back to top life cycle First a crayfish starts out as an egg. Than it molts to a bigger crayfish. After that it gets to be a adult and if it is a female it will have babies.