Flying fish:

Flying fish, any of about 40 species of oceanic fishes of the family Exocoetidae (order Atheriniformes), found worldwide in warm waters and noted for their ability to fly. Flying fish are known for their distinctive, wing-like pectoral fins. These fins are not just for show; they are instrumental in enabling their gliding flights over the water surface. When in motion, the fins spread wide, acting like wings. This adaptation is crucial for escaping predators. Birds are not the only flying animal, there are actually several types of flying fish. Learn how they gained this unique adaptation and discover some flying fish species. The Exocoetidae are a family of marine ray-finned fish in the order Beloniformes, known colloquially as flying fish or flying cod. About 64 species are grouped in seven genera.