Prevent fish bullying: The feeding ring keeps food contained, ensuring even the shyest fish can eat in peace without being bullied by more aggressive tank mates. Fill the square dispenser to keep the more aggressive fish occupied; while they are busy eating, drop some floating food into a second feeding ring for the shyer fish. Keep your aquarium clean: The fish feeding ring confines food to a specific area, preventing it from drifting to unwanted places – like the filters – and ensuring more food is actually consumed by your fish. This makes it easier to clean up leftover food, reduces waste, and helps maintain water quality, enhancing the overall enjoyment of fish keeping. Safe, high-quality materials: The feeding ring is made from high-quality, non-toxic PVC, an environmentally friendly material that protects your fish's health. This floating ring also helps fish establish a regular feeding routine. Ingenious design: Featuring a suction cup attachment, a swing arm, and a floating mechanism, this device adapts to changes in water level. The swing arm automatically repositions itself as the water level rises or falls, while a built-in floating component in the base ensures the feeding ring always remains on the water's surface. Wide compatibility: The square feeding ring measures 10 x 10 cm, and the round version measures 7.5 x 7.5 cm, making them suitable for a variety of aquariums and ponds. They are ideal for feeding various aquatic animals, including fish, turtles, goldfish, cichlids, guppies, catfish, betta fish, and many more.