| General information |
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Nangra viridescens (Hamilton, 1822) |
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| Common name | Huddah nangra |
| Valid name |
Gogangra viridescens (Hamilton, 1822) |
| Synonyms |
Pimelodus viridescens Hamilton, 1822 Gagata viridescens (Hamilton, 1822) Gangra viridescens (Hamilton, 1822) Nangra viridescens (Hamilton, 1822) Nangra punctata Day, 1877 |
| IUCN Red List status (2014) |
Least Concern (LC) |
| Habitat |
Freshwater |
| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Siluriformes; Sisoridae. |
| Geographical distribution |
India; Bangladesh; Pakistan; Bhutan; Nepal |
| Occurrence |
native: India; native: Bangladesh; native: Pakistan; native: Bhutan; native: Nepal |
| Importance |
Food |
| Karyological information |
| Record 1 |
| Geographical area of study |
Assam, India |
| Source of chromosomes |
Gill and Kidney |
| Number of specimens with sex |
Not reported |
| Diploid chromosome number |
42 |
| Karyotype formula |
14m+20sm+8T |
| Fundamental arm number |
|
| Chromosome length |
Not reported |
| Sex chromosome |
Not detected |
| Chromosome staining/banding/FISH |
Nil |
| Reference |
Chanda T (1989). A Study of Chromosomes in Some Hill Stream Fishes of Assam, India. Ph.D. Thesis, Kalyani University, Kalyani, West Bengal, India. |
| Karyotype /Metaphase complement image |
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| Record 2 |
| Geographical area of study |
Sehi,Tawi river, Jammu and Kashmir, India |
| Source of chromosomes |
Gonads |
| Number of specimens with sex |
22 |
| Diploid chromosome number |
48 |
| Karyotype formula |
12m+22sm+4st+10t |
| Fundamental arm number |
|
| Chromosome length |
Not reported |
| Sex chromosome |
No detected |
| Chromosome staining/banding/FISH |
Nil |
| Reference |
Sharma OP, Tripathi NK (1981). Chromosome Number and Karyotype of the Cat Fish, Gagata viridescens (Siluridae) from Jammu (J & K), India. Chromosome Information System, 30: 13-15. |
| Karyotype /Metaphase complement image |
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| Cross Link |