Food ring for aquarium fish consists of food pressed into a ring shape with a circular centre hole

摘要

A food ring for aquarium fish consists of food pressed into a ring (10) shape with a circular centre hole (12) 2-5 mm in diameter. In an alternative embodiment the food is pressed in oval, square or rectangular form and has an outer diameter of 10-20 mm. The food hangs on a thread into the aquarium.