The black jack is classified within the genus Caranx, one of a number of groups known as the jacks or trevallies. … See more

The black jack has a circumtropical distribution, meaning their range extends around the Earth's equatorial oceans, thereby inhabiting the tropical and subtropical regions of the Atlantic, Pacific and Indian … See more

The black jack is a large fish, and is confidently known to grow to a length of 1 m and a weight of 17.9 kg, although is more common at lengths under 70 cm. At least one source asserts a fish of 2.21 m has been report… See more

The black jack lives both in solitude and in schools of up to 30 individuals. Like several other jacks, black jack are able to coordinate these aggregations over coral reefs based on the release of See more

The black jack is of moderate to high importance to commercial fisheries throughout its range, often being the most abundant large carangid in offshore island catches. The species is taken by both various … See more