The Guachanche barracuda, Sphyraena guachancho, is an ocean-going species of game fish in the barracuda family, Sphyraenidae. It was described by the French zoologist Georges Cuvier in 1829. The description was part of the second edition of Le Règne Animal, or The Animal Kingdom. Guachanche barracuda are also known simply as guaguanche throughout much of the Caribbean. When used for food, Guaguanche barracuda are usually sold fresh or salted.