Barbatula toni (Dybowski, 1869)

Family:  Nemacheilidae (Brook loaches)
Max. size:  19.8 cm TL (male/unsexed); max.weight: 121.0 g
Environment:  demersal; freshwater
Distribution:  Asia: all rivers flowing to the Arctic and Pacific Oceans between the Ob and the Huang He.
Diagnosis:  Dorsal soft rays (total): 10-10; Anal soft rays: 8-8; Vertebrae: 42-43. Together with Barbatula altayensis and B. sawadai, this species differs from all other congeners from northern Asia by having the body scaled predorsally (vs. body scaled posterior to the dorsal-fin origin, or scales only on the caudal-fin base). It can be distinguished from B. altayensis and B. sawadai in having widely separated nostril (vs. closely-set) and further from B. altayensis in having 42-43 vertebrae (vs. 44-45), and further from B. sawadai in having 7 branched dorsal-fin rays (vs. 8) (Ref. 93050).
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 21 February 2020 Ref. (130435)
Threat to humans:  harmless


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