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New clues on the Atlantic eels spawning behavior and area: the Mid-Atlantic Ridge hypothesis chang, Y.-L.K.; Feunteun, E.; Miyazawa, Y.; Tsukamoto, K. (2020). New clues on the Atlantic eels spawning behavior and area: the Mid-Atlantic Ridge hypothesis. NPG Scientific Reports 10(1): 12 pp. https://dx.doi.org/10.1038/s41598-020-72916-5 In: Scientific Reports (Nature Publishing Group). Nature Publishing Group: London. ISSN 2045-2322; e-ISSN 2045-2322 Is gerelateerd aan: chang, Y.-L.K.; Feunteun, E.; Miyazawa, Y. (2022). Reply to: No new evidence for an Atlantic eels spawning area outside the Sargasso Sea. NPG Scientific Reports 12(1): 11794. https://dx.doi.org/10.1038/s41598-022-14885-5, meer

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Beschikbaar in	Auteurs
VLIZ: Open access 352344 [ download pdf ]

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Auteurs		Top
chang, Y.-L.K. Feunteun, E. Miyazawa, Y. Tsukamoto, K.

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Abstract

The Sargasso Sea has long been considered as the only spawning area for Atlantic eels, despite the absence of direct observations. The present study raises a novel scenario, deviating from Schmidt’s dogma, begins with a review of historical and recent observations that were combined to build up a global theory on spawning ecology and migration behavior of Atlantic eels. From this, it is argued that a favorable spawning area could be located eastward of Sargasso Sea at the intersection between the Mid-Atlantic Ridge and the oceanic fronts. Ocean circulation models combined with 3D particle-tracking method confirmed that spawning at this specific area would result in larval distribution fitting the field observation. This study explores the hypothesis that leptocephali are able to swim and orientate to reach their specific growth areas. It proposes a novel framework about spawning ecology, based on orientation, navigation and meeting cues of silver eels to the spawning area. Together this framework may serve as a stepping-stone for solving the long-lasting mystery of eel reproduction which first came out 2,400 years ago and promotes the understanding of oceanic migration and reproduction of marine organisms.

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