Description

Also known as Longnose Kingfish, Club-nosed Trevally, Dusky Trevally, Grunting Trevally, Horse Mackerel, Scad.

Found singly or in small schools, over open waters of coastal reefs.
They feed on benthic crustaceans and small fish.
Juveniles found in estuaries and inshore waters.
Length - 72cm
Depth - 10-90m
Widespread Indo-Pacific

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/4441