Author: Schindler & Schmidt, 2008
Comments: The species were collected in shallow water, among aquatic plants (<i>Cryptocoryn cordata</i>) and leaf litter.  It is a shaded, forested creek with clear water, colorless (pH 7,0, hardness 3 dGH,  temperature about 25°C).  Other labyrinth fishes collected with <i>Betta kuehnei</i> were <i>Trichopsis vittata</i> and <i>Parosphromenus paludicola</i>.  A mouthbrooding species and its reproductive behavior similar to that of other species of the <i>Betta pugnax</i> group where males carry the eggs (usually between 40 to 80) in their mouth for about 12 days. The eggs measure 1.0 to 1.4 mm in diameter with the offspring leaving the mouth at size approximately 7 mm.  No particular color pattern was observed during spawning (Ref. 82661).