A review of the genus Devario in Sri Lanka (Teleostei: Cyprinidae), with description of two new species
Sudesh BATUWITA, Madura DE SILVA, Sampath UDUGAMPALA
http://www.fishtaxa.com/index.php/ft/article/view/-3-5

Key to the Sri Lankan species of Devario

1 P stripe restricted to caudal peduncle; P+1 and P-1 stripes absent (Fig. 4a)…………………...…..….Devario pathirana
- P stripe extending onto body anterior to caudal peduncle; P+1 and P-1 stripes present (Fig. 2a)……....……………….2
2 Infraorbital process absent; P stripe anteriorly bifurcated (Fig. 2a–c)………………………….….Devario malabaricus
- Infraorbital process present; P stripe anteriorly entire (not bifurcated)………………………….……...........................3
3 Infraorbital process large, prominent, square-shaped (Fig. 5c)……………………………………..Devario micronema
- Infraorbital small, acute or knob-like (Fig. 7c)…………………………………………………………………………4
4 Dorsal fin origin to hypural distance greater than distance between dorsal-fin origin and posterior margin of eye;
anterior half of the body with narrow, yellow vertical interspaces between much broader blue bars (Fig.
6a)……………………………………………………………………………………………………..….Devario udenii
- Dorsal fin origin to hypural distance less than distance between dorsal-fin origin and posterior margin of eye; anterior
half of the body with yellow vertical interspaces equal to blue bars (Fig. 7a)………………………………………….5
5 P-1 stripe originating anterior to pelvic-fin origin; adpressed pectoral-fin falling well-short of pelvic-fin origin (Fig.
7a, b); eye diameter 30–32 %HL; internarial width 17–30 %HL………..……………………………Devario monticola