@article{fdi:010077052, title = {{DNA} barcoding the ichthyofauna of the {Y}angtze {R}iver : insights from the molecular inventory of a mega-diverse temperate fauna}, author = {{S}hen, {Y}. {J}. and {H}ubert, {N}icolas and {H}uang, {Y}. and {W}ang, {X}. {Z}. and {G}an, {X}. {N}. and {P}eng, {Z}. {G}. and {H}e, {S}. {P}.}, editor = {}, language = {{ENG}}, abstract = {{I}ntensification of inland fisheries and aquatic landscape conversion led to a drastic decline of fish populations in the {Y}angtze {R}iver ({YR}) during the last decades. {T}his situation urges for the development of a large-scale molecular assessment of {YR} ichthyofauna to further develop standardized methods of molecular identification for conservation and fisheries management purposes. {W}e present here the results of a large-scale campaign to {DNA} barcode {YR} freshwater fishes that succeeded in producing 1,424 new {DNA} barcodes for 123 species. {T}ogether with 1,406 sequences mined from {BOLD} and {G}en{B}ank, a reference library including 2,830 {DNA} barcodes for 238 species was compiled. {B}y using four {DNA}-based species delimitation methods, {RESL}, {ABGD}, m{PTP} and m{GMYC}, 230 operational taxonomic units ({OTU}s) were identified and 195 species displayed {OTU}s that tightly match species boundaries. {N}o barcoding gap was observed; however, and conflicting cases of species and {OTU} delimitation were identified. {A} total of 23 species with maximum intraspecific distances above 2% were detected and null genetic distances to the nearest phylogenetic relatives were detected in 11 species. {A}mong those 23 species, 16 were represented by multiple {OTU}s amounting to 40 {OTU}s delineated. {S}everal cases of multiple {OTU}s confined to species boundaries were detected suggesting the presence of overlooked species. {A} total of 18 {OTU}s, however, were shared by several species and particularly so for the {Q}inghai-{T}ibet plateau endemic species. {T}hese results are discussed with reference to previous large-scale {DNA} barcoding campaign and compared to previous phylogeographic studies in the {YR}.}, keywords = {conservation ; cryptic diversity ; phylogeography ; species delimitation ; species polyphyly ; {CHINE} ; {YANGTZE} {COURS} {D}'{EAU}}, booktitle = {}, journal = {{M}olecular {E}cology {R}esources}, volume = {19}, numero = {5}, pages = {1278--1291}, ISSN = {1755-098{X}}, year = {2019}, DOI = {10.1111/1755-0998.12961}, URL = {https://www.documentation.ird.fr/hor/fdi:010077052}, }