Amberjack Identification Guide

Key identification features

• Robust, elongated, fusiform body, one of the largest jacks
• Coloration ranges from olive-brown to amber-bronze on the back with silvery sides, sometimes showing a faint amber-yellow stripe running the length of the body
• A dark diagonal band runs from the snout through the eye toward the front of the dorsal fin, giving a "bandit mask" look
• Small first dorsal fin and no bony scutes along the lateral line
• Deeply forked tail

Common look-alikes

• Almaco jack: deeper-bodied with taller, more elongated second dorsal and anal fin lobes, and a less distinct eye band
• Banded rudderfish: smaller overall, with a more pronounced dark stripe and, in juveniles, vertical body bars not seen in adult greater amberjack
• Bar jack: much smaller and more slender, with a dark stripe along the back edge of the second dorsal fin rather than a masked eye

Where you'll see one

Greater amberjack occur in warm temperate to tropical waters nearly worldwide, associating with reefs, wrecks, and other offshore structure from mid-depth water down toward the bottom.