A bait ball, or baitball, occurs when small fish swarm in a tightly packed spherical formation about a common centre. It is a last-ditch defensive measure adopted by small schooling fish when they are threatened by predators.
Flying Fish image source The Exocoetidae are a family of marine fish in the order Beloniformes class Actinopterygii. Fish of this family are known as flying fish. About 64 species are grouped in seven.