Betta apollon Schindler & Schmidt, 2006
Betta apollon
photo by Linke, H.

 Family:  Osphronemidae (Gouramies), subfamily: Macropodusinae
 Max. size:  5.1 cm SL (male/unsexed)
 Environment:  pelagic
 Distribution:  Asia: Thailand.
 Diagnosis:  Dorsal spines (total): 1-1; Dorsal soft rays (total): 8-9; Anal spines: 2-3; Anal soft rays: 23-24. This species belonging to the Betta pugnax group is differentiated from the others by having the following characters: elongated last branchiostegal ray extending beyond posterior margin of the operculum; 25-26 total anal-fin rays; 29-30 lateral scales (Ref. 78499).
 Biology:  This species was collected in hill-streams strongly shaded by forest; mostly found in shallow water close to the shores between roots, plants or leaf litter. Some specimens were also collected from the swift flowing area between boulders. Water data from the type locality: colourless, clear and with a pH of 6.2, an electric conductivity of 20-40 µS/cm and a temperature of 24-26 °C (Ref. 78499).
 IUCN Red List Status: Data deficient  (Ref. 96402)
 Threat to humans:  harmless
 Country info:   
 

 Entered by: Bailly, Nicolas - 04.08.08
 Modified by: Capuli, Estelita Emily - 15.08.08

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