【How-to】Do minnows grow up to be big fish

minnow, in North America, any of various small fishes, especially those of the carp family, Cyprinidae. The name minnow is also applied to mud minnows (family Umbridae), killifishes (Cyprinodontidae), and, in a general way, the young of many large fishes. For topminnows, see live-bearer.