sera marin O-Nip is the treat consisting of carefully manufactured tablets that can be attached to the aquarium glass by slight finger pressure. This allows for watching even shy fish eat. The high amount of food animals such as bloodworms Krill and Tubifex makes the tablets particularly tasty wholesome and valuable for appropriate nutrition. Valuable ingredients as well as a high easily digestible protein amount support healthy development splendid appearance and natural behaviour. The little morsels that fall off the tablet are perfect food for corals as well.