@article{fdi:010074793, title = {{I}ntra- and inter-specific morphological diversity of amphidromous gobies influences waterfall-climbing performance}, author = {{L}agarde, {R}. and {B}orie, {G}. and {B}lob, {R}. {W}. and {S}choenfuss, {H}. {L}. and {P}onton, {D}ominique}, editor = {}, language = {{ENG}}, abstract = {{T}he morphology of an individual can affect functional performance and, ultimately, survival and fitness. {T}o study these links, a first step is to evaluate the relationship between morphology and performance. {S}icydiine fishes are an interesting model for such studies, because successful completion of their life cycle depends on a functionally demanding task: climbing waterfalls when they return to freshwater from the ocean. {P}revious studies identified two different climbing modes among sicydiines: 'inching' and 'powerburst'. {R}elationships between morphology and climbing performance have been found for inching and powerburst species present on different islands from distant oceans ({P}acific and {C}aribbean), but species from the same island have not been compared. {I}n this study, we challenged two different sicydiine species from {R}eunion {I}sland to an artificial climbing ramp: the inching climber {S}icyopterus lagocephalus and the powerburst climber {C}otylopus acutipinnis. {F}or each species, we evaluated differences in morphology between successful and unsuccessful climbers. {W}e predicted that species with similar climbing styles ({S}. lagocephalus and {S}. stimpsoni) would show differences between successful and unsuccessful climbers that more closely resembled each other than differences between successful and unsuccessful climbers across species from the same island ({S}. lagocephalus and {C}. acutipinnis). {T}his prediction was only partially met. {S}. lagocephalus individuals with a streamlined body showed better climbing performance, as observed for {S}. stimpsoni. {H}owever, the size of the pelvic sucker, which fish use to attach to the substrate while resting, appeared less important for {S}. lagocephalus than for {S}. stimpsoni and {C}. acutipinnis. {I}nstead, the size of the mouth, which inching species use to attach to the substrate while moving up, seemed important for {S}. lagocephalus but not for other species. {T}hus, differences in the morphology-performance relationship among sicydiines may relate not only to differences in climbing mode, but also to species-specific specializations within each climbing mode.}, keywords = {fish ; diadromy ; locomotion ; selection ; morphology ; amphidromous ; gobies ; performance ; {REUNION}}, booktitle = {}, journal = {{J}ournal of {Z}oology}, volume = {306}, numero = {4}, pages = {243--251}, ISSN = {0952-8369}, year = {2018}, DOI = {10.1111/jzo.12600}, URL = {https://www.documentation.ird.fr/hor/fdi:010074793}, }