taxonID	type	description	language	source
7860A175C10DFFF2DE9BFF58FDE5AB07.taxon	materials_examined	Type material. Holotype: MUMF 9525, 88.1 mm SL; India: Mizoram state, Lunglei District, Mat River (tributary of Koladyne River) near Mat bridge, 22 ˚ 54 ’ N 92 ˚ 52 ' E; A. Darshan & party, 27 April 2008. Paratypes: MUMF 9526 (11), 73.1 – 84.1 mm SL; same data as holotype. MUMF 9529 (6), 64.8 – 83.4 mm SL; India: Mizoram state, Koladyne River at Kolchaw, Lawntlai District; A. Drashan et al., 26 November 2009.	en	Darshan, A., Anganthoibi, N., Vishwanath, W. (2011): Batasio convexirostrum, a new species of catfish (Teleostei: Bagridae) from Koladyne basin, India. Zootaxa 2901 (1): 52-58, DOI: 10.11646/zootaxa.2901.1.4, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2901.1.4
7860A175C10DFFF2DE9BFF58FDE5AB07.taxon	diagnosis	Diagnosis. Batasio convexirostrum is distinguished from its congeners (except B. dayi, B. elongatus and B. procerus) in having a head and body coloration consisting of only a dark-brown vertical predorsal bar (vs. predorsal bar absent altogether, or if present, in combination with either a mid-lateral stripe, a dark-brown spot, or a series of vertical bars posteriorly) against a lighter-brown body. It differs from B. dayi in having a longer snout (length: 39.2 – 45.5 % HL vs. 35.5 – 38.7 % HL), a greater number of pectoral-fin rays (9 – 10 vs. 8) and vertebrae (39 – 40 vs. 36 – 38), and the dorsal fin dark grey at base and distal one-third, hyaline in between (vs. black, hyaline close to its base); and from both B. procerus and B. elongatus in having a shorter dorsal-to-adipose distance (1.7 – 4.1 % SL vs. 4.4 – 14.2), and fewer gill rakers on the first branchial arch (4 – 5 vs. 9 – 27). Batasio convexirostrum further differs from B. procerus in having a greater eye diameter (24.6 – 29.8 vs. 17.2 – 22.6 % HL), a deeper head (19.6 – 21.7 % SL vs. 16.8 – 18.6), a longer snout (39.2 – 45.5 % HL vs. 33.8 – 38.3) and a longer pectoral-spine (14.6 – 17.6 % SL vs. 8.9 – 13.2), a greater number of pectoral-fin rays (9 – 10 vs. 7 – 8), and fewer vertebrae (39 – 40 vs. 41 – 43); and from B. elongatus in having a deeper body (20.2 – 21.6 % SL vs. 15.8 – 19.3) and a greater number of vertebrae (39 – 40 vs. 36 – 38).	en	Darshan, A., Anganthoibi, N., Vishwanath, W. (2011): Batasio convexirostrum, a new species of catfish (Teleostei: Bagridae) from Koladyne basin, India. Zootaxa 2901 (1): 52-58, DOI: 10.11646/zootaxa.2901.1.4, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2901.1.4
7860A175C10DFFF2DE9BFF58FDE5AB07.taxon	etymology	Etymology. The specific name is derived from the Latin convexus, meaning rounded / curving out; and rostrum, meaning snout: formed as an adjective.	en	Darshan, A., Anganthoibi, N., Vishwanath, W. (2011): Batasio convexirostrum, a new species of catfish (Teleostei: Bagridae) from Koladyne basin, India. Zootaxa 2901 (1): 52-58, DOI: 10.11646/zootaxa.2901.1.4, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2901.1.4
