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Whitney, Nicholas M.; Taquet, Marc; Brill, Richard W.; Girard, Charlotte; Schwieterman, Gail D.; Dagorn, Laurent; Holland, Kim N.. |
Dolphinfish (Coryphaena hippurus), large pelagic predators and important fishery targets, frequently associate with floating debris or manmade fish aggregating devices (FADs). We tagged 8 dolphinfish with pressure-sensitive ultrasonic transmitters and actively tracked individuals continuously for up to 40 h to elucidate the vertical movement patterns and differences between FADassociated (FAD-A) and FAD-unassociated (FAD-U) fish. Four additional fish were equipped with acoustic transmitters and passively monitored for several days with receivers attached to FADs. When not associated with FADs, dolphinfish used the upper 75-100 m of the water column during the day and made descents up to 160 m during the night. In contrast, FAD-A fish generally stayed... |
Tipo: Text |
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Ano: 2016 |
URL: https://archimer.ifremer.fr/doc/00626/73811/74450.pdf |
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