@article{fdi:010082641, title = {{P}atterns of taxonomic and functional diversity in the global cleaner reef fish fauna}, author = {{Q}uimbayo, {J}. {P}. and {M}endes, {T}. {C}. and {B}arneche, {D}. {R}. and {D}ias, {M}. {S}. and {G}rutter, {A}. {S}. and {F}urtado, {M}. and {L}eprieur, {F}. and {P}ellissier, {L}. and {M}azzei, {R}. and {N}arvaez, {P}. and {S}asal, {P}. and {S}oares, {M}. {C}. and {P}arravicini, {V}. and {S}azima, {I}. and {K}ulbicki, {M}ichel}, editor = {}, language = {{ENG}}, abstract = {{A}im {S}everal drivers explain the global distribution of all reef fish. {H}owever, whether these drivers also explain the distribution and traits of a functional subgroup involving cleaner fishes remain unclear. {H}ere we examine the variation in traits of cleaner fishes and test whether historical, environmental, ecological and geographical drivers are correlated with cleaner species richness and abundance at global reefs. {L}ocation {T}ropical and subtropical reefs. {T}axon {A}ctinopterygii. {M}ethods {W}e tested whether species traits and trait space vary between facultative (i.e. species that clean only during the juvenile stages or sporadically) and dedicated (i.e. species that clean during their whole lives) cleaner types. {W}e compiled data from local checklists (relative richness) and belt transects (standardized richness and abundance). {W}e built four models to test whether past and current isolation (i.e. distance from {Q}uaternary refugia and biodiversity centres), sea temperature, primary productivity, local species pool and abundance of potential clients influenced the relative richness and abundance of cleaners. {R}esults {F}acultative cleaners had high trait variability that contributed disproportionally to the trait space, whereas dedicated cleaners exhibited low trait variability. {C}leaner species richness was higher in the {I}ndo-{P}acific and {C}aribbean provinces, but the relative richness and standardized abundance of cleaners were higher in the {A}tlantic (i.e. {N}orth {E}astern and {S}outhwestern) and {E}astern {P}acific. {I}solation influenced the relative richness of facultative cleaners, whereas the distance to {Q}uaternary refugia, sea temperature and isolation influenced the relative richness of dedicated cleaners. {L}ocal species richness and standardized abundance of cleaner fish exhibited a strong relationship with regional diversity. {T}he standardized abundance of both facultative and dedicated cleaners was influenced by the abundance of potential clients and the local species pool. {M}ain conclusions {T}he small trait space occupied by cleaner fishes may reflect their restricted origin among lineages of reef fishes. {D}ifferences in the relative richness and standardized abundance of cleaner fishes across marine realms suggest a strong influence on biogeographical history. {O}ur results also indicate that cleaner fishes originated mostly in peripheral areas in high latitudes due to the absence of dedicated cleaners. {O}ur results imply that cleaner fishes do not follow the pattern of main centres of origin described for reef fishes due to opportunistic cleaning behaviour that originated with higher frequency at locations with low species richness.}, keywords = {dedicated cleaners ; diversity gradient ; facultative cleaners ; marine ; mutualism ; marine realms ; relative species richness ; standardize ; abundance ; trait species ; {MONDE} ; {ZONE} {TROPICALE} ; {ZONE} {SUBTROPICALE} ; {ZONE} {TEMPEREE}}, booktitle = {}, journal = {{J}ournal of {B}iogeography}, volume = {48}, numero = {10}, pages = {2469--2485}, ISSN = {0305-0270}, year = {2021}, DOI = {10.1111/jbi.14214}, URL = {https://www.documentation.ird.fr/hor/fdi:010082641}, }