It has a yellowish-grey dorsal part and elongated body. The caudal fin is yellow. The pectoral fin reach the base of the pelvic fin. It also has black vertical stripes.
It looks like Sphyraena viridensis (Yellowmouth barracuda), characterized by its elongated, fusiform body and is often found in the same waters as Sphyraena sphyraena. It can be distinguished by its well-developed lateral line and the presence of 20-22 dark transversal bands on its flanks, though these may be diffused.