@article{fdi:010070012, title = {{A}ssociative behavior of yellowfin {T}hunnus albacares, skipjack {K}atsuwonus pelamis, and bigeye tuna {T}. obesus at anchored fish aggregating devices ({FAD}s) off the coast of {M}auritius}, author = {{R}odriguez-{T}ress, {P}. and {C}apello, {M}anuela and {F}orget, {F}. and {S}oria, {M}arc and {B}eeharry, {S}. {P}. and {D}ussooa, {N}. and {D}agorn, {L}aurent}, editor = {}, language = {{ENG}}, abstract = {{A}nchored fish aggregating devices ({FAD}s) are deployed by fishermen worldwide to facilitate the capture of pelagic fish. {W}e investigated the associative behavior of yellowfin {T}hunnus albacares, skipjack {K}atsuwonus pelamis, and bigeye tuna {T}. obesus in an array of anchored {FAD}s off the coast of {M}auritius (southwestern {I}ndian {O}cean) using passive acoustic telemetry. {O}ur results suggest that yellowfin and bigeye tuna have longer {FAD} residence times than skipjack tuna. {T}he survival curves based on the continuous residence times for bigeye and skipjack tuna were best explained by single exponential models, indicating time-independent associative processes and characteristic timescales of 4.3 and 0.9 d, respectively. {C}ontinuous residence times of yellowfin tuna were best explained by time-dependent power law models, but the single exponential model (characteristic timescale of 6.5 d) also fit the data well. {T}he analysis of absence times (time between 2 {FAD} associations) revealed that single exponential models fit the data for all 3 species (characteristic timescales of 1.3, 5, and 2.7 d for yellowfin, skipjack, and bigeye, respectively), with a time-dependent sigmoidal component at short timescales for skipjack and bigeye tuna, ascribed to diel behavior and the short inter-{FAD} distances of the array. {O}ur results are consistent with those of previous studies but also reveal common behavioral patterns among species and suggest that inter-{FAD} distances affect absence times but not residence times. {I}n other words, high densities of {FAD}s tend to decrease the amount of time tuna spend unassociated with {FAD}s.}, keywords = {{F}ish-aggregating device ; {T}ropical tunas ; {B}ehavioral variability ; {A}coustic tagging ; {R}esidence time ; {S}urvival analysis ; {OCEAN} {INDIEN} ; {MAURICE}}, booktitle = {}, journal = {{M}arine {E}cology {P}rogress {S}eries}, volume = {570}, numero = {}, pages = {213--222}, ISSN = {0171-8630}, year = {2017}, DOI = {10.3354/meps12101}, URL = {https://www.documentation.ird.fr/hor/fdi:010070012}, }