what is a group of tuna called
A tuna is a saltwater finfish that belongs to the tribe Thunnini, a sub-grouping of the mackerel family (Scombridae) â which together with the tunas, also includes the bonitos, mackerels, and Spanish mackerels.he bluefin averages 2 m (6.6 ft), and is believed to live for up to 50 years. Tuna and mackerel sharks are the only species of fish that can maintain a body temperature higher than that of the surrounding water.