Figure 1.

Map of Thailand showing the seven collection sites of the 15 species studied. 1. Amblyrhynchichthysmicracanthus (Ng et Kottelat, 2004), Cyclocheilichthysarmatus (Valenciennes 1842), Cyclocheilichthysrepasson (Bleeker, 1853), Sikukiastejnegeri (Smith, 1931); 2. Cyclocheilosenoplos (Bleeker, 1849), Puntiusbrevis (Bleeker, 1849), Poropuntiuslaoensis (Günther, 1868); 3. Hampalamacrolepidota (Kuhl et van Hasselt, 1823), Barbonymusaltus (Günther, 1868), Barbonymusschwanenfeldii (Bleeker, 1854); 4. Barbonymusgonionotus (Bleeker, 1849), Hampaladispar (Smith, 1934); 5. Barbodesrhombeus (Kottelat, 2000); 6. Pethiastoliczkana (Day, 1871), and 7. Desmopuntiushexazona (Weber et de Beaufort, 1912). The map was produced using the software QGis 3.4.4 (https://qgis.org), Inkscape 0.92 (https://inkscape.org), and Adobe Photoshop CC 2015 (San Jose, CA, USA).