| General information |
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Tor tor (Hamilton, 1822) |
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| Common name | Tor 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; native: Bangladesh; native: Pakistan; native: Myanmar; native: Bhutan; native: Nepal |
| Importance |
Food/sports |
| Karyological information |
| Record 1 |
| Geographical area of study |
Bhimtal lake, Uttar Pradesh, India |
| Source of chromosomes |
Gill and Testis |
| Number of specimens with sex |
5 |
| Diploid chromosome number |
100 |
| Karyotype formula |
24m+24sm+6st+46A |
| Fundamental arm number |
|
| Chromosome length |
Not reported |
| Sex chromosome |
Not detected |
| Chromosome staining/banding/FISH |
Nil |
| Reference |
Khuda Bukhsh AR (1982). Karyomorphology of Two Species of Tor (Pisces; Cyprinidae) with a High Number of Chromosomes. Experientia, 38: 82-83. |
| Karyotype /Metaphase complement image |
|
| Record 2 |
| 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 |
|
| Chromosome length |
Not reported |
| Sex chromosome |
Not detected |
| Chromosome staining/banding/FISH |
C-bands on 2 chromosome pairs |
| Reference |
Mani I, Kumar R, Singh M, Kushwaha B, Nagpure NS, Srivastava PK and Lakra WS (2013). Chromosomal Distribution of Constitutive Heterochromatin in Eight Species of mahseers (Family: Cyprinidae) from India. Indian Journal of Biotechnology, 12: 178-186. |
| Karyotype /Metaphase complement image |
|
| Record 3 |
| 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 |
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. |
| Cross Link |