Also known as Cobbler, Permit Fish, Permit Jack, Yellow-wax Pompano, Trevally.
Found singly, or in small schools, over mud bottoms, in channels and holes, over sand flats and around reefs.
They feed on crustaceans, small fish, and benthic invertebrates.
Juveniles found in large schools, along surf zones of sandy beaches.
Length - 120cm
Depth - 0-30m
Widespread Western Atlantic, Caribbean
Jacks are fast swimming fish that can roam over great distances. The larger fish hunt other fish and the smaller fish eat zooplankton. In turn they are hunted by large Tuna and Dolphins. Ref: https://www.fishbase.se/summary/Trachinotus-falcatus.html