Fly fishing is an angling method whose name derives from specific artificial baits built in a way that resembles every life stage of both water insects (the ones originating, growing up, reproducing and terminating their existence in water) and so-called terrestrial insects such as ants, grasshoppers, wasps, etc.

In any case, the lure is called “fly” even though it imitates other creatures constituting part of a fish diet, such as other fish species, shrimps, etc.