Betta gladiator
Osphronemidae · Tan & Ng, 2005
Max length
90mm SL3.5in SL
Presumed endemic to the geographically-isolated Maliau basin, a roughly circular plateau enclosed by hills in Sabah state, Malaysia, Borneo. The Maliau River is part of the much larger Kinabantangan watershed, Malaysia's second longest river. The type series was collected from heath forest alongside 'Puntius' sealei and Hemibagrus cf. baramensis in acidic water with a pH of 4.2-4.8. Adult individuals were spaced around a metre apa...