Green jack (Caranx caballus) is a saltwater, brackish species recorded in the United States. It is found at depths of 3–100 m.
Scientific name: Caranx caballus · Water: Saltwater, Brackish
Size: up to 55 cm
The green jack is a pelagic carangid of the continental shelf, generally near the coast but also in deeper water, recorded from 3 to 100 m and entering estuaries. Its range is the eastern Pacific, from Santa Cruz Island off California to Peru, including the Gulf of California and the Galapagos Islands. It feeds mainly on small silvery fishes, but also takes squid, shrimps and other invertebrates; juveniles are often found in estuarine waters. Maximum length is about 55 cm fork length, commonly about 40 cm, and it can live eight years, maturing at about 26 cm. It is a commercial species and a gamefish, marketed fresh, salted, dried or smoked and also used as fishmeal and a source of oil. Fishing vulnerability is moderate at 35 of 100 and resilience medium, and the price category is high. IUCN lists it as least concern.
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