Cuban Gar

The Cuban Gar (Atractosteus tristoechus), locally called manjuari, is a large member of the ancient gar family Lepisosteidae and is endemic to the island of Cuba, found nowhere else in the world. It inhabits freshwater rivers, swamps, and wetlands, particularly in western Cuba, and is one of the larger gar species, closely related to the Alligator Gar in build and snout shape. Due to its restricted range, habitat degradation, and historically low population numbers, the Cuban Gar is considered a vulnerable species and is a focus of conservation attention within Cuba.

The Cuban Gar can be recognized by:

• Large, robust, cylindrical body, among the largest gar species
• Broad, relatively short snout resembling that of the Alligator Gar
• Dark olive-brown to blackish coloring, often with faint mottling rather than distinct spots
• Thick, diamond-shaped ganoid scales forming an armored covering
• Rounded caudal fin

Its geographic isolation to Cuba is the most reliable identifying factor, since no other gar species occurs on the island, though body proportions closely resemble the mainland Alligator Gar.

The Cuban Gar is restricted to freshwater rivers, swamps, and wetland systems on the island of Cuba, with strongholds in western regions such as the Zapata Swamp. It favors quiet, vegetated waters and tolerates warm, sometimes low-oxygen conditions typical of Cuban wetlands, aided by an air-breathing swim bladder. Habitat degradation, drainage of wetlands, and historic overharvest have reduced suitable habitat and population size, making its remaining wetland strongholds especially important for the species' survival.

Cuban Gar are large, solitary ambush predators that rest near cover in quiet water before striking at fish and other prey with a powerful sideways bite. They surface periodically to gulp air, an adaptation that helps them tolerate the warm, sometimes stagnant wetland waters of their native Cuban habitat. Spawning occurs in shallow, vegetated areas, where eggs are scattered and left without parental care after fertilization. As a large predator largely confined to Cuba's wetlands, its population trends are closely tied to the health and extent of those remaining freshwater habitats.