Description

Also known as Cordyla Scad, Fin-letted Mackerel, Fin-letted Mackerel Scad, Finny Scad, Hardtail Scad, Hardtail Trevally, Horse Mackerel, Kingfish, Russell's Scad, Torpedo Trevally, Trevally.

Found in large schools over open waters of the ocean.
They feed on fish.
Length - 80cm
Depth - 20-100m
Widespread Indo-West 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/384