Evidence of Atlantic bluefin tuna spawning in the Bay of Biscay, north‐eastern Atlantic. Issue 3 (31st May 2021)

• Record Type: Journal Article
• Authors: Rodriguez, Jose M.; Johnstone, Carolina; Lozano‐Peral, Diego
• Is Part Of: Journal of fish biology. Volume 99:Issue 3(2021)
• Page Start: 964
• Page End: 969
• Publication Date: 2021-05-31
• Subjects: Bay of Biscay -- north‐eastern Atlantic -- spawning -- Thunnus thynnus; Fishes -- Periodicals; Fishes -- Great Britain -- Periodicals; 597
• DOI: 10.1111/jfb.14782
• Languages: English
• ISSNs: 0022-1112

Abstract

Abstract: The spawning grounds of the Atlantic bluefin tuna ( Thunnus thynnus ) are traditionally considered to be the Gulf of Mexico (Gulf of Mexico) and the Mediterranean Sea (Mediterranean Sea). However, for the western Atlantic, unequivocal evidence of bluefin spawning outside the Gulf of Mexico has been shown. In this study we present the first records of genetically confirmed bluefin larvae in the southern Bay of Biscay (eastern Atlantic). These findings provide evidence of bluefin spawning activity outside the Mediterranean Sea, in the north‐eastern Atlantic. However, our results suggest that the bluefin spawning in the Bay of Biscay is a sporadic phenomenon.