siangensis, Macrognathus Arunkumar [L.] 2016:2004, Fig. 1 [Journal of Research in Biology v. 6 (no. 3); ref. 35770] Siang river at Pasighat, East Siang district, Brahmaputra river basin, Arunachal Pradesh, India, 28°05'17"N, 95°19'54"E, elevation about 150 meters. Holotype: MUM NH 43. Paratypes: MUM. •Valid as Macrognathus siangensis Arunkumar 2016 -- (Arunkumar 2020:48 [ref. 37761]). Current status: Valid as Macrognathus siangensis Arunkumar 2016. Mastacembelidae. Distribution: Brahmaputra river basin, Arunachal Pradesh, India. Habitat: freshwater.