Species Finder Species Posted Mar 14, 2000 Jack Crevalle Appearance Ranges from a blueish-black to greenish-gold color along the back, with a more silvery-white or golden side. The underbelly is typically yellow among adults. The dorsal and anal fin are almost identical in size and shape. The have a rounded head and a forked tail. Maximum Size Rarely more than 70 pounds (32 kg) and 125 cm (50 inches) long. Geographic Range Found on both the west and east Atlantic ocean, in both tropical and temperate waters. On the west it ranges from Central American coastline, all through the Caribbeans, and south towards the South American coast. In the east it has a similarly vast range, from the European to African coastline, as well as in the Mediterranean Sea. Habitat Jack crevalle spend time both inshore and offshore, though adults tend to prefer more offshore locations. when inshore, they prefer flats, sandy bays, and shallow reefs. Those offshore tend to stick within the continental shelf. Food Almost exclusively small fish, but will also eat shrimp, crabs, and mollusks. Spawning Spawning takes place from March through September, offshore. Information credit: Florida Fish and Wildlife Conservation Commission.