A checklist of fishes of Haiderpur wetland, western Uttar Pradesh, India

River-associated floodplains and wetlands provide natural spawning and nursery grounds for many freshwater fishes. Haiderpur wetland is one of such important river-associated wetlands of the Ganga River located in Bijnor District of western Uttar Pradesh. Considering its ecological significance, an inventory of fish species inhabiting in the Haiderpur wetland was carried out between June and July 2020. A total of 57 species of fishes belonging to 44 genera, 10 orders, and 27 families were recorded. Three exotic species, namely, Hypothalmichthys molitrix, Oreochromis niloticus, and Ctenopharyngodon idella, were recorded from the wetland. Based on the fish record, a checklist of the fish species of the Haiderpur wetland is being prepared and presented herewith with updated information on the current valid names, vernacular names, and IUCN Red List status.