annularis, Traccatichthys Endruweit [M.] 2025:175, Figs. 166a, 169a, b [ ref. 42401] Cái Creek, tributary to Núi Cóc Lake, Cáu River system, Red River basin, Van Khuc, Húng Son Town, Dai Tùr District, Nguyen Province, northern Vietnam. Holotype: KIZ 2015993936. Paratypes: ANSP 211273 (2), 211274 (1); EPC 5139, 5283-78 (7); KIZ 2015003937-38 (2). •Valid as Traccatichthys annularis Endruweit 2025. Current status: Valid as Traccatichthys annularis Endruweit 2025. Nemacheilidae. Distribution: Southeast Asia: Red River system (China, Vietnam). Habitat: freshwater.