Betta raja Tan & Ng, 2005
Betta raja
photo by Wickham, M.

 Family:  Osphronemidae (Gouramies), subfamily: Macropodusinae
 Max. size:  6.38 cm SL (male/unsexed)
 Environment:  benthopelagic
 Distribution:  Asia: Sumatra, Indonesia.
 Diagnosis:  Dorsal spines (total): 1-2; Dorsal soft rays (total): 7-10; Anal spines: 2-2; Anal soft rays: 23-26; Vertebrae: 28-30. Pelvic fin very long in mature males (15-23 anal fin rays at pelvic fin end, even exceeding anal-fin base in some specimens); anal fin and lower half of caudal fin with dark margins; anal fin rays 25-28 (mode 26); lateral scales 30-32 (mode 31); head length 33.9-37.4% SL; predorsal length 20.0-24.6% SL; preanal length 46.1-52.4% SL; and body length 62.8-70.7% SL (Ref. 56386).
 Biology:  Inhabits lowland swamp forests (Ref. 56386).
 IUCN Red List Status: Not Evaluated  (Ref. 96402)
 Threat to humans:  harmless
 Country info:   
 

 Entered by: Torres, Armi G. - 27.12.06
 Modified by: Torres, Armi G. - 14.12.07

Source and more info: www.fishbase.org. For personal, classroom, and other internal use only. Not for publication.


Page created by Jen, 05.08.02, php script by kbanasihan 06/09/2010 ,  last modified by dsantos, 20/08/10