It eats meat it mostly eats insects and sometimes eats other small frogs. If you feed it crickets make sure they are gut loaded crickets. Red eye tree froges eat crickets and meal worms!! well, its a carnivore ,yes,CARNIVORE! it eats other. The red eyed tree frog eats bugs and also smaller frogs.Red eyed tree frogs mainly eat insects, snails, and slugs, but their favorite food would probably be moths. Larger frogs can eat larger prey, such as small lizards and small fish.red eye tree frogs eat bees.t eats meat it mostly eats insects and sometimes eats other small frogs. If you feed it crickets make sure they are gut loaded crickets. Red eye tree froges eat crickets and meal worms!! well, its a carnivore ,yes,CARNIVORE! it eats other. The red eyed tree frog eats bugs and also smaller frogs.