To prepare for flight, flying fish gain great speed underwater. Once they break the surface, the fish taxi their tails and extend their "wings," which are pectoral fins, to glide. This behavior is a method of escaping predators. Some species of flying fish are called four-winged flying fish, because their pelvic fins look wing-like as well.
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Key Facts In This Video
Flying fish glide on specially adapted fins to escape from predators. 00:50
To promote the safety of their eggs, flying fish lay them on pieces of flotsam. 02:01
Thousands of flying fish can gather around a single piece of flotsam to spawn. 02:25
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