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Betta falx
 Tan & Kottelat, 1998
  Family: Osphronemidae (Gouramies & Bettas) / Order: Perciformes (Perch types)
  
  Common names Distribution Environment Fish  
  UK: Sumatra Betta
DK: Sumatra Kampfisk		 Asia:
Central Sumatra, Indonesia		 Freshwater
22-27ºC / pH 4½-7		 Max Size: 3½ cm