Facultative air-breathing ; This is an aggressive and territorial species which inhabits heath forest with acidic water. Single adults stay about one meter apart, usually together with a small number of juveniles. Individuals kept in captivity continuously fight and have to be kept separately, otherwise they would have killed each other .
Dorsal spines (total): 0; Dorsal soft rays (total): 7 - 9; Anal spines: 1 - 2; Anal soft rays: 27 - 30; Vertebrae: 33 - 34. Absence of anal-fin base sheath scales; absence of dorsal-fin spine; body yellowish brown, opercle bluish; caudal fin plain brown; vertebrae 33-34; anal-fin rays 28-31 (mode 30); dorsal-fin rays 7-9 (mode 8); pectoral-fin rays 16-17 (mode 17); subdorsal scales 5-6 1/2 (mode 6); lateral scales 34-36 (mode 35); predorsal scales 24-27 (mode 26); predorsal length 68.0-72.8% SL; head length 28.5-31.3% SL; length of anal-fin base 48.1-52.8% SL; length of dorsal-fin base 7.3-11.4% SL; lower jaw length 28.3-38.3% HL .: fusiform / normal.
Behavioural data for Betta Gladiator is currently being reviewed.
Diet information for Betta Gladiator is currently being compiled.
Reproduction data for Betta Gladiator is currently being compiled.
Freshwater; benthopelagic; pH range: 4.2 - 4.8. Tropical
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