| General information |
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Clarias magur (Hamilton, 1822) |
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| Synonyms |
- |
| IUCN Red List status (2014) |
Endangered (EN) |
| Habitat |
Freshwater |
| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Siluriformes; Clariidae. |
| Geographical distribution |
India; Bangladesh |
| Occurrence |
native: India; native: Bangladesh |
| Remarks |
BAC-FISH signals found on subtelocentric chromosome pair 18. |
| Karyological information |
| Geographical area of study |
Lucknow district, Uttar Pradesh, India. |
| Source of chromosomes |
Kidney cells. |
| Number of specimens with sex |
7 (7 juvenile) |
| Diploid chromosome number |
50 |
| Karyotype formula |
14m+20sm+8st+8a |
| Fundamental arm number |
84 |
| Chromosome length |
- |
| Sex chromosome |
- |
| Chromosome staining/banding/FISH |
Specific C-bands observed on 4 metacentric, 6 submetacentric, 2 subtelocentric and 1 acrocentric chromosome pairs. Silver nitrate and chromomycin A3 exhibited presence of NORs on p-arms of chromosome pair 21. 18S and 5S rDNAs signals found on subtelocentric chromosome pair 21 and acrocentric chromosome pair 23. |
| Reference |
Baisvar VS, Kushwaha B, Kumar R, Kumar MS, Pandey M, Singh M. (2021). Chromosome analysis of walking catfish, Clarias magur (Teleostei, Siluriformes, Clariidae), using staining, FISH with 18S, 5S and BAC probes. J Appl Ichthyol., 37: 563–571. |
| Cross Link |