five account for the majority of commercial tuna products: albacore, bigeye, bluefin, skipjack, and yellowfin. Some of those species, like skipjack, are smaller, lower on the food chain ...

Jet Worsteling snagged this epic and rare 85kg big eye tuna. Picture: Supplied “We then came tight on this fish that began to surge to the surface like most swords so we thought nothing of it.

Japan's quota for bigeye tuna fishing in the Indian Ocean is set to be raised from 2026 for three years. That's because projections are showing the species is at sustainable levels in the area.