verecunda, Pterocryptis Ng [H. H.] & Freyhof [J.] 2001:636, Fig. 9 [Journal of Fish Biology v. 59 (no. 3); ref. 25712] Stream near entrance of Trung Trang cave, 20°47'17"N, 107°00'04"E, Cat Ba Island, Hai Phong Province, Vietnam. Holotype: ZRC 46316. Paratypes: CMK 14821 (2). Type catalog: Ferraris 2007:377 [ref. 29155], Ng & Kim 2008:54 [ref. 29920]. •Valid as Pterocryptis verecunda Ng & Freyhof 2001 -- (Ng & Chan 2005:54 [ref. 28371], Ferraris 2007:377 [ref. 29155], Kottelat 2013:238 [ref. 32989], Ng et al. 2018:133 [ref. 36220]). Current status: Valid as Pterocryptis verecunda Ng & Freyhof 2001. Siluridae. Distribution: Cat Ba Island, northeastern Vietnam. Habitat: freshwater.