@article{fdi:010066285, title = {{C}omparative phylogeography of the western {I}ndian {O}cean reef fauna}, author = {{B}orsa, {P}hilippe and {D}urand, {J}ean-{D}ominique and {C}hen, {W}. {J}. and {H}ubert, {N}icolas and {M}uths, {D}. and {M}ou-{T}ham, {G}{\'e}rard and {K}ulbicki, {M}ichel}, editor = {}, language = {{ENG}}, abstract = {{A}ssessing patterns of connectivity at the community and population levels is relevant to marine resource management and conservation. {T}he present study reviews this issue with a focus on the western {I}ndian {O}cean ({WIO}) biogeographic province. {T}his part of the {I}ndian {O}cean holds more species than expected from current models of global reef fish species richness. {I}n this study, checklists of reef fish species were examined to determine levels of endemism in each of 10 biogeographic provinces of the {I}ndian {O}cean. {R}esults showed that the number of endemic species was higher in the {WIO} than in any other region of the {I}ndian {O}cean. {E}ndemic species from the {WIO} on the average had a larger body size than elsewhere in the tropical {I}ndian {O}cean. {T}his suggests an effect of peripheral speciation, as previously documented in the {H}awaiian reef fish fauna, relative to other sites in the tropical western {P}acific. {T}o explore evolutionary dynamics of species across biogeographic provinces and infer mechanisms of speciation, we present and compare the results of phylogeographic surveys based on compilations of published and unpublished mitochondrial {DNA} sequences for 19 {I}ndo-{P}acific reef-associated fishes (rainbow grouper {C}ephalopholis argus, scrawled butterflyfish {C}haetodon meyeri, bluespot mullet {C}renimugil sp. {A}, humbug damselfish {D}ascyllus abudafur/{D}ascyllus aruanus, areolate grouper {E}pinephelus areolatus, blacktip grouper {E}pinephelus fasciatus, honeycomb grouper {E}pinephelus merra, bluespotted cornetfish {F}istularia commersonii, cleaner wrasse {L}abroides sp. 1, longface emperor {L}ethrinus sp. {A}, bluestripe snapper {L}utjanus kasmira, unicornfishes {N}aso brevirosris, {N}aso unicornis and {N}aso vlamingii, blue-spotted maskray {N}eotrygon kuhlii, largescale mullet {P}laniliza macrolepis, common parrotfish {S}carus psicattus, crescent grunter {T}erapon jarbua, whitetip reef shark {T}riaenodon obelus) and three coastal {I}ndo-{W}est {P}acific invertebrates (blue seastar {L}inckia laevigata, spiny lobster {P}anulirus homarus, small giant clam {T}ridacna maxima). {H}eterogeneous and often unbalanced sampling design, paucity of data in a number of cases, and among-species discrepancy in phylogeographic structure precluded any generalization regarding phylogeographic patterns. {N}evertheless, the {WIO} might have been a source of haplotypes in some cases and it also harboured an endemic clade in at least one case. {T}he present survey also highlighted likely cryptic species. {T}his may eventually affect the accuracy of the current checklists of species, which form the basis of some of the recent advances in {I}ndo-{W}est {P}acific marine ecology and biogeography.}, keywords = {{I}ndo-{W}est {P}acific ; {B}iogeographic province ; {E}ndemism ; {R}eef fish ; {M}itochondrial {DNA} ; {P}arsimony network ; {OCEAN} {INDIEN} {OUEST} ; {PACIFIQUE} {SUD}}, booktitle = {}, journal = {{A}cta {O}ecologica}, volume = {72}, numero = {no sp{\'e}cial}, pages = {72--86}, ISSN = {1146-609{X}}, year = {2016}, DOI = {10.1016/j.actao.2015.10.009}, URL = {https://www.documentation.ird.fr/hor/fdi:010066285}, }