FN Archimer Export Format
PT J
TI Association dynamics of tuna and purse seine bycatch species with drifting fish aggregating devices (FADs) in the tropical eastern Atlantic Ocean
BT 
AF Tolotti, Mariana Travassos
   Forget, Fabien
   Capello, Manuela
   Filmalter, John David
   Hutchinson, Melanie
   Itano, David
   Holland, Kim
   DAGORN, Laurent
AS 1:1;2:1;3:1;4:2;5:3;6:4;7:5;8:1;
FF 1:;2:;3:;4:;5:;6:;7:;8:;
C1 MARBEC, Univ Montpellier, CNRS, Ifremer, IRD, Sète, France
   South African Institute for Aquatic Biodiversity, Grahamstown, South Africa
   Joint Institute for Marine and Atmospheric Research, University of Hawaii, Honolulu, HI, USA
   689 Kaumakani Street, Honolulu, HI, USA
   Hawaii Institute of Marine Biology, University of Hawaii at Manoa, Kaneohe, HI, USA
C2 IRD, FRANCE
   SAIAB, SOUTH AFRICA
   UNIV HAWAII, USA
   689 Kaumakani Street, Honolulu, HI, USA
   UNIV HAWAII MANOA, USA
UM MARBEC
IN WOS Cotutelle UMR
   copubli-int-hors-europe
   copubli-sud
IF 2.422
TC 15
UR https://archimer.ifremer.fr/doc/00609/72077/71042.pdf
LA English
DT Article
DE ;Behavior;Acoustic telemetry;Residence time;Floating objects;Pelagic fish;Tropical tuna
AB Several pelagic fish species are known to regularly associate with floating objects in the open ocean, including commercially valuable species. The tuna purse seine industry takes advantage of this associative behavior and has been increasingly deploying free-drifting man-made floating objects, also known as fish aggregating devices (FADs). Using passive acoustic telemetry, this study describes the associative dynamics of the main targeted tropical tuna species (Thunnus albacares, T. obesus and Katsuwonus pelamis), as well as three major bycatch species, silky shark (Carcharhinus falciformis), rainbow runner (Elagatis bipinnulata) and oceanic triggerfish (Canthidermis maculata). Short-term excursions away from the FADs were frequently performed by all tuna species as well by silky sharks. These excursions were characterized by a marked diel pattern, mainly occurring during nighttime. Rainbow runners and oceanic triggerfish were much more present at the FADs and rarely performed excursions. Average continuous residence times (CRTs) ranged from 6 days, for silky shark, up to 25 days for bigeye tuna. Similar to silky shark, average CRTs for skipjack tuna and oceanic triggerfish were less than 10 days. For yellowfin tuna and rainbow runner, CRTs averaged 19 and 16 days, respectively. Bigeye and yellowfin tuna remained associated to a single drifting FAD for a record of 55 days and 607 km traveled. 
PY 2020
PD JUL
SO Fisheries Research
SN 0165-7836
PU Elsevier BV
VL 226
UT 000525305200009
DI 10.1016/j.fishres.2020.105521
ID 72077
ER

EF