Betta pugnax ';
General information
 
Betta pugnax (Cantor, 1849)
 
 
Common namePenang betta
Synonyms
-
IUCN Red List status (2014)
Not Reported
Habitat
Freshwater
Systematics
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Neoteleostei; Acanthomorphata; Anabantomorpharia; Anabantiformes; Osphronemidae.
Geographical distribution
Indonesia; Malaysia; Singapore; Thailand; Vietnam; Cambodia; Guam
Occurrence Native: Indonesia, Malaysia, Singapore, Thailand, Vietnam, Cambodia
Introduced: Guam
Importance
Remarks
-
Karyological information
Geographical area of study Chawang District, Nakhon Si Thammarat Province, Thailand.
Source of chromosomes
-
Number of specimens with sex
5
Diploid chromosome number
40
Karyotype formula
4m+2sm+14a+20t
Fundamental arm number
60
Chromosome length
-
Sex chromosome
-
Chromosome staining/banding/FISH
Acrocentric chromosome pair 6 possessed single Ag-NOR pair at telomeric position of short arm.
Reference(s)
Sarasan T, Supiwong W, Sriwattanarothai N, Panijpan B, Srisamoot N, Tanomtong A. (2021). Karyotype of four Mouth-Brooding Betta fishes (Betta Bleeker, 1850) in Thailand. Science Technology and Engineering Journal (STEJ), 7(1): 22-31.