The Species Black List
Yunnanilus macrogaster
large-stomached stone loach
The large-stomached stone loach (Yunnanilus macrogaster), black stone loach (Y. niger) and Datangze stone loach (Yunnanilus paludosus) are all confined to the Datangze Marsh.
Status Data Deficient on the IUCN Red List Restriction tier 2, restricted, extent unclear Class Actinopterygii Realm Palearctic Locality Datangze Marsh As IUCN records it Yunnanilus macrogaster Kottelat & Chu, 1988 This species is one of 3,062 in a list of vertebrates the IUCN Red List records as Data Deficient or has never assessed, ranked by how narrowly restricted the published record says they are. The sentence above is the evidence the tier was read from, quoted from Matthew Richardson, Threatened and Recently Extinct Vertebrates of the World (2023).
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Check this species elsewhere: IUCN Red List · GBIF