Gammarus is an amphipod crustacean genus in the family Gammaridae. The Ballast Substances Sun-Dried Gammarus is a natural food for carnivorous and omnivorous tropical fish, turtles and terrapins. This is a 100% natural sun-dried Gammarus shrimp to preserve nutrient content. Size varies from 1 to 2 cm. Rich in easily absorbed proteins (46% crude protein content) this food is an excellent source of ballast substances and chitin – a natural substance regulating digestive track. The shrimps contain natural carotenoid – a substance which intensifies colouration. We recommend this food for all your fish, reptiles and birds. The analytical components are crude protein 46%, crude fat 6%, crude fibre 4%, crude ash 22.5%, calcium 2.65%, phosphor 1.09%. Colourants: astaxanthin 33.6 mg/kg.