Hikari Crab Cuisine isa superior daily diet for most crustaceans helping them live a long and healthy life. Features: The enriched calcium content promotes development of your pet\'s outer shell, their natural protection from predators and disease. Excellent for use in freshwater or marine aquariums to feed scavengers thereby reducing the chances they will attack other aquatic pets. Full of stabilized vitamin C to help build resistance to disease. A rapidly sinking pellet that retains it\'s shape and won\'t cloud your water. Feeding: For all underwater crustaceans: Feed 1-4 mini sticks twice a day depending on size. Avoid over-feeding as it can cause water quality problems. For hermit crabs: They have no regular dining routine, rather they tend to eat at varying intervals from days to two weeks in length. For best results feed Hikari Tropical Crab Cuisine in a clean shallow dish once a week. After 24 hours remove any uneaten food from the enclosure. Feed an amount equal to 2 grams of food for each hermit crab per feeding period. For tadpoles: Feed 2 sticks daily. Remove any uneaten sticks before bedtime each day. Tadpoles have a tendency to nibble on the sticks throughout the day.