@article{fdi:010081456, title = {{C}limbing for dummies : recommendation for multi-specific fishways for the conservation of tropical eels and gobies}, author = {{L}agarde, {R}. and {C}ourret, {D}. and {G}rondin, {H}. and {F}aivre, {L}. and {P}onton, {D}ominique}, editor = {}, language = {{ENG}}, abstract = {{D}ams and other man-made barriers impair upstream fish migration and thus threaten fish populations that need access to upper river reaches to complete their life cycle. {F}or many years, fishways have been used to mitigate this impact. {F}ishways around the globe are typically built based on recommendations made for northern hemisphere species, particularly salmonids. {T}hese recommendations do not consider the locomotor characteristics and skills of other species, especially those living in the tropics. {A}mong tropical species, freshwater eels and gobies of the {S}icydiinae subfamily are important cultural and economic species that are particularly sensitive to the impact of man-made barriers. {O}ur experimental study aimed to test different substrates and slopes for ramp-like fishways adapted to tropical eels and sicydiines. {A}mong the five substrates tested for 368 eels {A}nguilla marmorata, elastomer pins appeared to be the most efficient. {E}lastomer pins also appeared to be more efficient than the fine concrete which is currently used in fishways for sicydiines ({S}icyopterus lagocephalus, {N} = 1797, and {C}otylopus acutipinnis, {N} = 1303). {T}he slope had a lesser effect on the climbing success of sicydiines compared to substrate type, except for gradients greater than 50 degrees that induced a slight decrease in success. {O}ur results indicated that ramp-like fishways fitted with 1.0 cm diameter elastomer pins, positioned in staggered rows with a diagonal spacing of 1.3 cm, wetted with low-flow and angled less than 50 degrees, are well adapted to accommodate the different locomotor characteristics and skills of tropical eels and sicydiines.}, keywords = {amphidromy ; catadromy ; dam ; fish migration ; river continuum ; upstream ; passage ; fishways ; eels ; {REUNION}}, booktitle = {}, journal = {{A}nimal {C}onservation}, volume = {[{E}arly access]}, numero = {}, pages = {[12 p.]}, ISSN = {1367-9430}, year = {2021}, DOI = {10.1111/acv.12699}, URL = {https://www.documentation.ird.fr/hor/fdi:010081456}, }