Barbonymus gonionotus ';
General information
 
Barbonymus gonionotus (Bleeker, 1849)
 
 
Common nameSilver barb
Synonyms
-
IUCN Red List status (2014)
Not Reported
Habitat
-
Systematics
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Cypriniformes; Cyprinidae.
Geographical distribution
-
Occurrence -
Importance
Remarks
18S rDNA signals coincide with AgNOR regions on pair 8 and 18 and also found on chromosome pairs 9 and 17. 5S rDNA present on chromsome pairs 6, 17, 20, 21 and 22.
Karyological information
Geographical area of study Songkhram River Basin, Sam Phong, Si Songkhram District, Nakhon Phanom, Thailand.
Source of chromosomes
Kidney.
Number of specimens with sex
12 (6 male, 6 female)
Diploid chromosome number
50
Karyotype formula
10m+22sm+12st+6a
Fundamental arm number
94
Chromosome length
-
Sex chromosome
No numerical or structural chromosome polymorphism observed between sexes.
Chromosome staining/banding/FISH
AgNORs present on p arm of chromosome pairs 8 and 18.
Reference(s)
Buasriyot P, Sassi FdMC, Donbundit N, Supiwong W, Kaewsri S, Jumrusthanasan S, Seetapan K, Pinthong K, Tanomtong A, Yanukun K, Muanglen N, Liehr T, Marcelo de BC (2024). Comparative karyotypic study of fifteen cyprinids (Cyprinidae, Cyprininae) species. An insight into the chromosomal evolution of the tribe Systomini. PLoS One 19(7): e0305828.