Tetra Jumbo Krill Freeze Dried Jumbo ShrimpTetra JumboKrill whole, freeze dried shrimp are an excellent source of protein, fat, vitamin E and roughage for all large, carnivorous tropical and marine fish. Pond fish love them, too! Excellent source of protein, fat and Vitamin E Enhances natural pink to orange red colors Great for carnivorous tropical and marine fish Because they contain the shell, they are rich in astaxanthin, which enhances the development of your fishs natural pink to orange