@article{fdi:010064126, title = {{S}patio-temporal isotopic signatures (delta {C}-13 and delta {N}-15) reveal that two sympatric {W}est {A}frican mullet species do not feed on the same basal production sources}, author = {{L}e {L}oc'h, {F}ran{\c{c}}ois and {D}urand, {J}ean-{D}ominique and {D}iop, {K}. and {P}anfili, {J}acques}, editor = {}, language = {{ENG}}, abstract = {{P}otential trophic competition between two sympatric mullet species, {M}ugil cephalus and {M}ugil curema, was explored in the hypersaline estuary of the {S}aloum {D}elta ({S}enegal) using {C}-13 and {N}-15 composition of muscle tissues. {B}etween species, {N}-15 compositions were similar, suggesting a similar trophic level, while the difference in {C}-13 compositions indicated that these species did not feed from exactly the same basal production sources or at least not in the same proportions. {T}his result provides the first evidence of isotopic niche segregation between two limno-benthophageous species belonging to the geographically widespread, and often locally abundant, {M}ugilidae family.}, keywords = {carbon isotopes ; fish diet ; {M}ugilidae ; nitrogen isotopes ; trophic level ; {SENEGAL} ; {SALOUM} {DELTA}}, booktitle = {}, journal = {{J}ournal of {F}ish {B}iology}, volume = {86}, numero = {4}, pages = {1444--1453}, ISSN = {0022-1112}, year = {2015}, DOI = {10.1111/jfb.12650}, URL = {https://www.documentation.ird.fr/hor/fdi:010064126}, }