The bluntnose jack is a deep bodied fish with a large, deeply forked tail fin.

The dorsal fin is divided in two parts and has 8 spines and 27 soft rays.

The long anal fin tapers towards the tail and has 3 spines and 23 soft rays.

[3] The bluntnose jack is found in the neritic zone in the western Atlantic Ocean at depths down to about 50 metres (160 ft).

Its range extends from North Carolina, through the Gulf of Mexico an southwards to Florianópolis in Brazil.