@article{fdi:010081134, title = {{B}ehavior of skipjack ({K}atsuwonus pelamis), yellowfin ({T}hunnus albacares), and bigeye ({T}. obsesus) tunas associated with drifting fish aggregating devices (d{FAD}s) in the {I}ndian {O}cean, assessed through acoustic telemetry}, author = {{G}ovinden, {R}. and {C}apello, {M}anuela and {F}orget, {F}abien and {F}ilmalter, {J}. {D}. and {D}agorn, {L}aurent}, editor = {}, language = {{ENG}}, abstract = {{W}e investigated the associative behavior of skipjack ({K}atsuwonus pelamis), yellowfin ({T}hunnus albacares), and bigeye ({T}. obsesus) tuna within multi-species aggregations associated with drifting fish aggregating devices (d{FAD}s) in two different regions of the western {I}ndian {O}cean: the {M}ozambique {C}hannel and the {S}eychelles, using acoustic telemetry. {W}e documented the residence and absence times of tunas at two temporal scales (coarse and fine scale) and made comparisons between regions. {A} total of 56 tunas were tagged and released at 7 different d{FAD}s (4 in the {M}ozambique {C}hannel and 3 in the {S}eychelles) during four research cruises. {W}e recorded the first observations of skipjack tuna making excursions of more than 24 hours away from d{FAD}s before returning and confirmed findings of other studies showing that yellowfin tuna can make long excursions (4.07 days) before returning to their home d{FAD}s. {C}ombining both studied regions, average residence times were 7.59 days (min 0.03; max 16.49), 6.64 days (min 0.01; max 26.72), and 4.58 days (min 0.09; max 18.33) for bigeye, yellowfin, and skipjack tuna, respectively. {E}xponential models best fitted the residence times for all three tuna species, indicating time-independent probabilities of departure from d{FAD}s. {F}or yellowfin tuna, at a coarse temporal scale, no regional differences were observed in the residence times. {H}owever, at a fine temporal scale, regional differences were apparent in both residence and absence times. {T}his study provides new information on the associative behavior of tunas at d{FAD}s in the {I}ndian {O}cean which is key to improving the science-based management of d{FAD}s.}, keywords = {acoustic telemetry ; associative behavior ; bigeye tuna ; fish aggregating ; devices ; {I}ndian {O}cean ; skipjack tuna ; yellowfin tuna ; {OCEAN} {INDIEN}}, booktitle = {}, journal = {{F}isheries {O}ceanography}, volume = {30}, numero = {5}, pages = {542--555}, ISSN = {1054-6006}, year = {2021}, DOI = {10.1111/fog.12536}, URL = {https://www.documentation.ird.fr/hor/fdi:010081134}, }