The Cuban gar (Atractosteus tristoechus) is a fish in the Lepisosteidae family. It is found in Western Cuba and the Isla de la Juventud. The Cuban gar is a tropical freshwater fish (18 °C - 23 °C), although also inhabits brackish water lives in rivers and lakes and is found in the Demersal zone of Western Cuba and Isla de la Juventud. The Cuban gar is around 100 cm in length (unsexed), but can grow as large as 200 cm (unsexed). Adult Cuban gar feed on freshwater fishes and birds. Young are prey to the introduced largemouth bass (Micropterus salmoides). The flesh of the fish is edible but the eggs are poisonous for humans.