Description
Also known as Blackfin Scad, Deep-bodied Crevalle, Duskyfin Crevalle, Herring Scad, Scad, Trevally.
Found in dense schools, swimming high above the reef, in shallow coastal waters.
They feed on crustaceans and small fish.
Length - 56cm
Depth - 0-10m
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/1891
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