Pacific Bluefin Tuna


    In News 

    • The biomass of the Pacific Bluefin Tuna has increased and is second-highest in recorded history

    About Pacific Bluefin Tuna

    • Appearance : They have black or dark blue dorsal sides, with a greyish-green iridescence.
      • Their bellies are dotted with silver or grey spots or bands.
      • They have a series of small yellow fins, edged in black, running from the second dorsal fin to the tail.
      • They have relatively small eyes compared to other species of tuna.
    • Diet : They are predatory and mainly eat squids and fish, such as sardines and anchovies, saury, herring, pompanos, mackerel, hake, other tunas, and occasionally red crabs and krill. 
    • Habitat :Most of the U.S. catch of Pacific bluefin tuna is within about 100 nautical miles of the California coast.


    • Scientific Name: Thunnus Thynnus
    • They  are the largest tunas and can live up to 40 years. They migrate across all oceans and can dive deeper than 3,000 feet.
    • There are three species of bluefin: Atlantic (the largest and most endangered), Pacific, and Southern. 
    • Status :Endangered