Southern Bluefin Tuna (Thunnus maccoyii). Found throughout the world mainly in waters between 30¬S and 50¬S. Photo taken off Port Lincoln, South Australia, Australia. Classified as Critically Endangered on the IUCN Red List of Threatened species. © Gary Bell / OceanwideImages.com
Southern Bluefin Tuna (Thunnus maccoyii). Found throughout the world mainly in waters between 30¬S and 50¬S. Photo taken off Port Lincoln, South Australia, Australia. Classified as Critically Endangered on the IUCN Red List of Threatened species. © Gary Bell / OceanwideImages.com
Southern Bluefin Tuna (Thunnus maccoyii). Found throughout the world mainly in waters between 30¬S and 50¬S. Photo taken off Port Lincoln, South Australia, Australia. Classified as Critically Endangered on the IUCN Red List of Threatened species. © Gary Bell / OceanwideImages.com
Dogtooth Tuna (Gymnosarda unicolor). Found throughout the Indo-Pacific. Great Barrier Reef, Queensland, Australia. A commercially sought after fish. © Gary Bell / OceanwideImages.com
Yellowfin Tuna (Thunnus albacares). Found throughout the world in tropical and temperate seas. A commercially sought after fish. © Chris & Monique Fallows / OceanwideImages.com
Yellowfin Tuna (Thunnus albacares). Found throughout the world in tropical and temperate seas. A commercially sought after fish. © Chris & Monique Fallows / OceanwideImages.com
Yellowfin Tuna (Thunnus albacares). Found throughout the world in tropical and temperate seas. A commercially sought after fish. © Chris & Monique Fallows / OceanwideImages.com
Yellowfin Tuna (Thunnus albacares). Found throughout the world in tropical and temperate seas. A commercially sought after fish. © Chris & Monique Fallows / OceanwideImages.com
Yellowfin Tuna (Thunnus albacares). Found throughout the world in tropical and temperate seas. A commercially sought after fish. © Chris & Monique Fallows / OceanwideImages.com
Yellowfin Tuna (Thunnus albacares) leaping out of the surface while feeding on baitfish. Found throughout the world in tropical and temperate seas. A commercially sought after fish. © Chris & Monique Fallows / OceanwideImages.com
Yellowfin Tuna (Thunnus albacares), feeding on a baitball. Photo taken off Cape Point, South Africa. © Chris & Monique Fallows / OceanwideImages.com
Yellowfin Tuna (Thunnus albacares), feeding on a baitball. Photo taken off Cape Point, South Africa. © Chris & Monique Fallows / OceanwideImages.com
Yellowfin Tuna (Thunnus albacares), feeding on a baitball. Photo taken off Cape Point, South Africa. © Chris & Monique Fallows / OceanwideImages.com
Blue Shark (Prionace glauca) swimming with a Yellowfin Tuna. Also known as Blue Whaler and Great Blue Shark. This oceanic Shark is found in tropical and temperate seas worldwide. Photo take at Cape Point, South Africa © Chris & Monique Fallows / OceanwideImages.com
Blue Shark (Prionace glauca) swimming with a Yellowfin Tuna. Also known as Blue Whaler and Great Blue Shark. This oceanic Shark is found in tropical and temperate seas worldwide. Photo taken at Cape Point, South Africa © Chris & Monique Fallows / OceanwideImages.com
Captive Southern Bluefin Tuna (Thunnus maccoyii), held in a pen in Boston Bay in Port Lincoln, South Australia. Port Lincoln is the major hub for Southern Bluefin Tuna fishing in Australia. The species is considered critically endangered. © Michael Patrick O'Neill / OceanwideImages.com
Captive Southern Bluefin Tuna (Thunnus maccoyii), held in a pen in Boston Bay in Port Lincoln, South Australia. Port Lincoln is the major hub for Southern Bluefin Tuna fishing in Australia. The species is considered critically endangered. © Michael Patrick O'Neill / OceanwideImages.com
Captive Southern Bluefin Tuna (Thunnus maccoyii), held in a pen in Boston Bay in Port Lincoln, South Australia. Port Lincoln is the major hub for Southern Bluefin Tuna fishing in Australia. The species is considered critically endangered. © Michael Patrick O'Neill / OceanwideImages.com
Captive Southern Bluefin Tuna (Thunnus maccoyii), held in a pen in Boston Bay in Port Lincoln, South Australia. Port Lincoln is the major hub for Southern Bluefin Tuna fishing in Australia. The species is considered critically endangered. © Michael Patrick O'Neill / OceanwideImages.com
Captive Southern Bluefin Tuna (Thunnus maccoyii), held in a pen in Boston Bay in Port Lincoln, South Australia. Port Lincoln is the major hub for Southern Bluefin Tuna fishing in Australia. The species is considered critically endangered. © Michael Patrick O'Neill / OceanwideImages.com
Captive Southern Bluefin Tuna (Thunnus maccoyii), held in a pen in Boston Bay in Port Lincoln, South Australia. Port Lincoln is the major hub for Southern Bluefin Tuna fishing in Australia. The species is considered critically endangered. © Michael Patrick O'Neill / OceanwideImages.com
Captive Southern Bluefin Tuna (Thunnus maccoyii), held in a pen in Boston Bay in Port Lincoln, South Australia. Port Lincoln is the major hub for Southern Bluefin Tuna fishing in Australia. The species is considered critically endangered. © Michael Patrick O'Neill / OceanwideImages.com
Captive Southern Bluefin Tuna (Thunnus maccoyii), held in a pen in Boston Bay in Port Lincoln, South Australia. Port Lincoln is the major hub for Southern Bluefin Tuna fishing in Australia. The species is considered critically endangered. © Michael Patrick O'Neill / OceanwideImages.com
Captive Southern Bluefin Tuna (Thunnus maccoyii), held in a pen in Boston Bay in Port Lincoln, South Australia. Port Lincoln is the major hub for Southern Bluefin Tuna fishing in Australia. The species is considered critically endangered. © Michael Patrick O'Neill / OceanwideImages.com
Captive Southern Bluefin Tuna (Thunnus maccoyii), held in a pen in Boston Bay in Port Lincoln, South Australia. Port Lincoln is the major hub for Southern Bluefin Tuna fishing in Australia. The species is considered critically endangered. © Michael Patrick O'Neill / OceanwideImages.com
Captive Southern Bluefin Tuna (Thunnus maccoyii), held in a pen in Boston Bay in Port Lincoln, South Australia. Port Lincoln is the major hub for Southern Bluefin Tuna fishing in Australia. The species is considered critically endangered. © Michael Patrick O'Neill / OceanwideImages.com
Captive Southern Bluefin Tuna (Thunnus maccoyii), held in a pen in Boston Bay in Port Lincoln, South Australia. Port Lincoln is the major hub for Southern Bluefin Tuna fishing in Australia. The species is considered critically endangered. © Michael Patrick O'Neill / OceanwideImages.com
Captive Southern Bluefin Tuna (Thunnus maccoyii), held in a pen in Boston Bay in Port Lincoln, South Australia. Port Lincoln is the major hub for Southern Bluefin Tuna fishing in Australia. The species is considered critically endangered. © Michael Patrick O'Neill / OceanwideImages.com
Captive Southern Bluefin Tuna (Thunnus maccoyii), held in a pen in Boston Bay in Port Lincoln, South Australia. Port Lincoln is the major hub for Southern Bluefin Tuna fishing in Australia. The species is considered critically endangered. © Michael Patrick O'Neill / OceanwideImages.com
Southern Bluefin Tuna (Thunnus maccoyii), caught in the netting of a fish net holding pen, at a fish farm off Port Lincoln, South Australia. © David Fleetham / OceanwideImages.com
Southern Bluefin Tuna (Thunnus maccoyii), circle in a fish net holding pen at a fish farm off Port Lincoln, South Australia. © David Fleetham / OceanwideImages.com
Southern Bluefin Tuna (Thunnus maccoyii), caught in the netting of a fish net holding pen, at a fish farm off Port Lincoln, South Australia. © David Fleetham / OceanwideImages.com
Southern Bluefin Tuna (Thunnus maccoyii), circle in a fish net holding pen at a fish farm off Port Lincoln, South Australia. © David Fleetham / OceanwideImages.com
Dogtooth Tuna (Gymnosarda unicolor). Found throughout the Indo-Pacific. A commercially sought after fish. © David Fleetham / OceanwideImages.com
Yellowfin Tuna (Thunnus albacares). Found throughout the world in tropical and temperate seas. A commercially sought after fish. Photo taken in Gudalupe, Mexico. © David Fleetham / OceanwideImages.com
Spearfishermen with a speared Yellowfin Tuna (Thunnus albacares). Photo taken off Cape Point, South Africa © Chris & Monique Fallows / OceanwideImages.com
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