It features a blue-green to gray back that abruptly transitions to silvery-white sides and a white belly. Some individuals exhibit a golden-green or blue reflection.
It has a prominent, protruding lower jaw that extends beyond the upper jaw, and unlike some similar species, it possesses teeth on its tongue and both jaws.
Adults typically range from 10 to 17 inches (25–45 cm) but can reach a maximum length of approximately 22 inches (55–60 cm). They can weigh up to 1.7 kg (3.7 lbs). Distribution and Habitat Skipjack Herring (Alosa chrysochloris) - Species Profile
The Skipjack Herring is characterized by its slender, compressed, and "oblong" body shape.