bluefin tunablue·fin tuna
(usually uncountable, plural bluefin tunas)
- A member of a species of tuna, Thunnus genus, having blue fins, including
- Thunnus thynnus, Atlantic bluefin tuna, found in both the western and eastern Atlantic Ocean, and alsoin the Mediterranean Sea
- Thunnus tonggol, longtail tuna, found in tropical Indo-West Pacific waters.
- Thunnus orientalis, Pacific bluefin tuna, found widely in the northern Pacific Ocean and locally in the south.
- Thunnus maccoyii, southern bluefin tuna