This is a red worms feeder for fish. Solve for trouble eating of small food in the tank. Protect live food spread to go to throughout in aquarium tank and keep the aquarium clean. Cone feeder, comes with suction cup. It can free-floating or attached to the side of the aquarium with the suction cup. Made from plastic, eco-friendly, clear color, safe and easy to operate. Designed to protect you living food in front, in the aquarium in any way.