Snook Identification Guide

Key identification features

• Elongated, laterally compressed body with a distinctly sloping, almost concave forehead profile
• A bold, continuous black lateral line running from behind the gill cover straight to the tail
• Protruding lower jaw and a pointed, underslung snout
• Two separate dorsal fins, the second tall and pointed
• Pale silvery to yellowish-green body coloring with yellowish pelvic and anal fins

Common look-alikes

• Fat snook / tarpon snook - close relatives with the same black lateral stripe but a deeper body (fat snook) or smaller size and more scale rows below the lateral line (tarpon snook).
• Mullet - lacks the black lateral stripe and protruding lower jaw entirely, with a small, terminal mouth and a rounder head profile.

Where you'll see one

Snook favor warm coastal waters, inlets, mangrove shorelines, and passes, moving into brackish and even freshwater canals and rivers, especially in Florida, the Gulf of Mexico, and parts of the Caribbean and Central America. They're highly cold-sensitive and retreat to deeper, warmer refuges during cold snaps.