| General information |
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Tor chelynoides (Gunter, 1868) |
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| Common name | Dark mahseer |
| Valid name |
Puntius chelynoides (McClelland, 1839) |
| Synonyms |
Barbus chelynoides McClelland, 1839 Naziritor chelynoides (McClelland, 1839) Tor chelynoides (McClelland, 1839) Barbus cheilynoides McClelland, 1839 Barbus chilinoides Gunter, 1868 Puntius chilinoides (Gunter, 1868) Tor chilinoides (Gunter, 1868) |
| IUCN Red List status (2014) |
Vulnerable (VU) |
| Habitat |
Freshwater |
| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Cypriniformes; Cyprinidae. |
| Geographical distribution |
India; Nepal |
| Occurrence |
native: India; native: Nepal |
| Importance |
Food/sports |
| Karyological information |
| Record 1 |
| Geographical area of study |
Tributaries of river Alaknanda, Garhwal, Uttarakhand, India |
| Source of chromosomes |
Kidney |
| Number of specimens with sex |
8 |
| Diploid chromosome number |
100 |
| Karyotype formula |
20m+30sm+24st+26t |
| Fundamental arm number |
|
| Chromosome length |
Not reported |
| Sex chromosome |
Not detected |
| Chromosome staining/banding/FISH |
C- bands on 3 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 2 |
| Geographical area of study |
Tributaries of river Alaknanda, Garhwal, Uttarakhand, India |
| Source of chromosomes |
Kidney |
| Number of specimens with sex |
8 |
| Diploid chromosome number |
100 |
| Karyotype formula |
20m + 30sm + 24st + 26t |
| Fundamental arm number |
150 |
| Chromosome length |
Not reported |
| Sex chromosome |
Not reported |
| Chromosome staining/banding/FISH |
Ag-NORs detected on two pairs of chromosomes (terminal portions of p arm of second and fourth m). CMA3 signals were in confirmation of Ag-NOR signals, but additional CMA3 signal was observed on second 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 |