​José Luis CortDoctor in Biology. Since 1973 he has been a researcher at the Spanish Institute of Oceanography (IEO). He has worked in the biology and dynamics of the populations of small and large pelagic fish of the Atlantic Ocean, and tropical tunas of the Indian Ocean. He chaired the scientific committee of the ICCAT (SCRS); worked in FAO Fisheries Department; and was Director of the Santander Coastal Centre of IEO. He has published articles and documentaries on biology, fisheries and population dynamics of exploited species, mainly tuna.Pablo AbaunzaDoctor in Biology. Since 1990 he has been a researcher at the Spanish Institute of Oceanography (IEO), working on fishery biology of pelagic fishes. He is an expert member of several Working Groups on fish stock assessment mainly in ICES. He has worked in different positions of responsibility as Director of the Santander Coastal Centre of IEO, head of the Fisheries Department at IEO and recentlyas Deputy Director of IEO. He is co-author of several publications in specialized journals.

• Introduction.- Some characteristics of the bluefin tuna its geographical distribution, areas and fishing systems.- The bluefin tuna catch in the strait of gibraltar, a review of its history.- the present state of traps and fisheries research in the strait of gibraltar.- Bluefin tuna fishing in the bay of biscay.- Research related to bluefin tuna fishing in the bay of biscay.- A publication that sheds light on the disappearance of the eastern atlantic bluefin tuna spawner in the 1960s.

​José Luis CortDoctor in Biology. Since 1973 he has been a researcher at the Spanish Institute of Oceanography (IEO). He has worked in the biology and dynamics of the populations of small and large pelagic fish of the Atlantic Ocean, and tropical tunas of the Indian Ocean. He chaired the scientific committee of the ICCAT (SCRS); worked in FAO Fisheries Department; and was Director of the Santander Coastal Centre of IEO. He has published articles and documentaries on biology, fisheries and population dynamics of exploited species, mainly tuna.Pablo AbaunzaDoctor in Biology. Since 1990 he has been a researcher at the Spanish Institute of Oceanography (IEO), working on fishery biology of pelagic fishes. He is an expert member of several Working Groups on fish stock assessment mainly in ICES. He has worked in different positions of responsibility as Director of the Santander Coastal Centre of IEO, head of the Fisheries Department at IEO and recentlyas Deputy Director of IEO. He is co-author of several publications in specialized journals.

• Introduction.- Some characteristics of the bluefin tuna its geographical distribution, areas and fishing systems.- The bluefin tuna catch in the strait of gibraltar, a review of its history.- the present state of traps and fisheries research in the strait of gibraltar.- Bluefin tuna fishing in the bay of biscay.- Research related to bluefin tuna fishing in the bay of biscay.- A publication that sheds light on the disappearance of the eastern atlantic bluefin tuna spawner in the 1960s.

​José Luis CortDoctor in Biology. Since 1973 he has been a researcher at the Spanish Institute of Oceanography (IEO). He has worked in the biology and dynamics of the populations of small and large pelagic fish of the Atlantic Ocean, and tropical tunas of the Indian Ocean. He chaired the scientific committee of the ICCAT (SCRS); worked in FAO Fisheries Department; and was Director of the Santander Coastal Centre of IEO. He has published articles and documentaries on biology, fisheries and population dynamics of exploited species, mainly tuna.Pablo AbaunzaDoctor in Biology. Since 1990 he has been a researcher at the Spanish Institute of Oceanography (IEO), working on fishery biology of pelagic fishes. He is an expert member of several Working Groups on fish stock assessment mainly in ICES. He has worked in different positions of responsibility as Director of the Santander Coastal Centre of IEO, head of the Fisheries Department at IEO and recentlyas Deputy Director of IEO. He is co-author of several publications in specialized journals.

• Introduction.- Some characteristics of the bluefin tuna its geographical distribution, areas and fishing systems.- The bluefin tuna catch in the strait of gibraltar, a review of its history.- the present state of traps and fisheries research in the strait of gibraltar.- Bluefin tuna fishing in the bay of biscay.- Research related to bluefin tuna fishing in the bay of biscay.- A publication that sheds light on the disappearance of the eastern atlantic bluefin tuna spawner in the 1960s.