Feed as a part of a varied diet, two to three times a week in conjunction with other fish foods, feed only as much as your fish can consume within several minutes. Freeze Dried Brine Shrimp Cubes can be dropped in as whole cubes for fish to nibble at or crushed easily between fingers. Best food for Neon Fish, Guppies Fish, Angel Fish, Betta Fish, Marine, Catfish, Cichlids, Goldfish, turtle and more!