FIGURE 2 in Betta mahachaiensis, a new species of bubble-nesting fighting fish (Teleostei: Osphronemidae) from Samut Sakhon Province, Thailand

FIGURE 2. Betta mahachaiensis: (a) schematic drawing of a specimen, an adult male, paratype, THNHM-F-01622, 35.2 mm SL; (b) photograph of live adult male displaying aggression, paratype, THNHM-F-01623, 36.7 mm SL (note that gill covers are open, displaying the red gills, which are not the red bars on the opercle).Published as part of Kowasupat, Chanon, Panijpan, Bhinyo, Ruenwongsa, Pintip & Sriwattanarothai, Namkang, 2012, Betta mahachaiensis, a new species of bubble-nesting fighting fish (Teleostei: Osphronemidae) from Samut Sakhon Province, Thailand, pp. 49-60 in Zootaxa 3522 on page 53, DOI: 10.5281/zenodo.21465