Tor tor ';
General information
Tor tor (Hamilton, 1822)
 
 
Common nameTor barb
Synonyms
Cyprinus tor Hamilton, 1822
Barbus tor Hamilton, 1822
Puntius tor Hamilton, 1822
Tor hamiltonii Gray, 1834
Tor hamiltoni Gray, 1834
Barbus megalepis McClelland, 1839
Tor mosal mahanadicus David, 1953
IUCN Red List status (2014)
Near Threatened (NT)
Habitat
Freshwater
Systematics
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Cypriniformes; Cyprinidae.
Geographical distribution
India; Bangladesh; Pakistan; Myanmar; Bhutan; Nepal
Occurrence Native: India, Bangladesh, Pakistan, Myanmar, Bhutan, Nepal
Importance
Food/sports
Remarks
Nil
Karyological information
Geographical area of study Narmada river, Hoshangabad, Madhya Pradesh, India
Source of chromosomes
Kidney
Number of specimens with sex
6
Diploid chromosome number
100
Karyotype formula
20m + 24sm + 24st + 32t
Fundamental arm number
144
Chromosome length
Not reported
Sex chromosome
Not reported
Chromosome staining/banding/FISH
Ag-NORs detected on four pairs of chromosomes (terminal portion of p arm of third sm, sixth sm, fifth st and tenth t). CMA3 signals were in confirmation of Ag-NOR signals, but additional CMA3 signal was observed on p arm of tenth st chromosome.
Reference(s)
Mani I, Kumar R, Singh M, Kushwaha B, Nagpure NS, Srivastava PK, Murmu K, Krishna Rao DS, Lakra WS (2009). Karyotypic diversity and evolution of seven mahseer species (Cyprinidae) from India. Journal of Fish Biology, 75: 1079-1091.