Simple and natural freeze dried plankton for freshwater and marine aquarium fish. Single ingredient fish food freshly packaged with oxygen absorbers offer an irresistible, fresh flavor that naturally attracts fish. High protein feeding addition for freshwater and marine fish including Oscars, Puffers, Arowana, Triggers, Cichlids, Koi, Goldfish, Tetras, Barbs and many more. Floating, grade A, medium sized, approx. ¼” to ¾” (1cm to 2cm).