| General information |
|
Wallago attu (Bloch & Schneider, 1801) |
 |
| |
|
| Common name | Wallago |
| Synonyms |
Silurus attu Bloch & Schneider, 1801 Wallagonia attu (Bloch & Schneider, 1801) Silurus boalis Hamilton, 1822 Silurus macrostomus Swainson, 1839 Callichrous macrostomus (Swainson, 1839) Silurus wallagoo Valenciennes, 1840 Silurus muelleri Bleeker, 1846 Silurus mulleri Bleeker, 1846 Wallago russellii Bleeker, 1846 |
| IUCN Red List status (2014) |
Near Threatened (NT) |
| Habitat |
Freshwater |
| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Siluriformes; Siluridae. |
| Geographical distribution |
India; China; Indonesia; Bangladesh; Malaysia; Sri Lanka; Pakistan; Thailand; Vietnam; Myanmar; Laos; Cambodia; Nepal; Afghanistan |
| Occurrence |
native: India; native: China; native: Indonesia; native: Bangladesh; native: Malaysia; native: Sri Lanka; native: Pakistan; native: Thailand; native: Vietnam; native: Myanmar; native: Laos; native: Cambodia; native: Nepal; native: Afghanistan |
| Importance |
Food/sports |
| Karyological information |
| Record 1 |
| Geographical area of study |
Sirsa feeder cannal, Jyotisar, Kurukshetra, Haryana, India |
| Source of chromosomes |
Kidney |
| Number of specimens with sex |
5 |
| Diploid chromosome number |
86 |
| Karyotype formula |
12m+6sm+2st+66 |
| Fundamental arm number |
|
| Chromosome length |
Not reported |
| Sex chromosome |
Not detected |
| Chromosome staining/banding/FISH |
Nil |
| Reference |
Rishi KK, Singh J (1983). Chromosomal Analysis of the Indian silurid, Wallago attu (Scheneider) (Family : Siluridae). Chromosome Information Service, 34: 10-11. |
| Karyotype /Metaphase complement image |
|
| Record 2 |
| Geographical area of study |
River Jumna and its adioining tributaries near Delhi, India |
| Source of chromosomes |
Testicular material |
| Number of specimens with sex |
Not reported |
| Diploid chromosome number |
86 |
| Karyotype formula |
86a |
| Fundamental arm number |
Not reported |
| Chromosome length |
Not reportedn |
| Sex chromosome |
Not reported |
| Chromosome staining/banding/FISH |
Not reported |
| Reference |
Nayyar RP(1966). Karyotype studies in thirteen species of fishes. Genetica, 37:78-92. |
| Cross Link |