Tuna Apr 2026

Tuna are unique among bony fish for several physiological reasons:

: They are "obligate ram ventilators," meaning they must swim constantly to push oxygen-rich water over their gills. Major Commercial Species Tuna are unique among bony fish for several

are among the ocean's most remarkable and commercially significant fish, belonging to a group of 15 species in the Thunnini tribe. Known for their incredible speed and stamina, they serve as apex predators that help maintain the balance of marine ecosystems. Tuna are unique among bony fish for several