| General information |
|
Clarias anguillaris Linnaeus (1758) |
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| Common name | Mudfish |
| Synonyms |
- |
| IUCN Red List status (2014) |
Least Concern (LC) |
| Habitat |
Freshwater |
| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Siluriformes; Clariidae. |
| Geographical distribution |
Egypt; Algeria; Nigeria; Cameroon; Ghana; Mauritania; Sudan; Ivory Coast; Senegal; Sierra Leone; Benin; Burkina Faso; Chad; Ethiopia; Gambia; Mali; Niger; Togo |
| Occurrence |
native: Egypt; native: Algeria; native: Nigeria; native: Cameroon; native: Ghana; native: Mauritania; native: Sudan; native: Ivory Coast; native: Senegal; native: Sierra Leone; native: Benin; native: Burkina Faso; native: Chad; native: Ethiopia; native: Gambia; native: Mali; native: Niger; native: Togo |
| Remarks |
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| Karyological information |
| Record 1 |
| Geographical area of study |
Anambra river, Nigeria. |
| Source of chromosomes |
Blood leucocytes culture. |
| Number of specimens with sex |
45 (21 male, 24 female). |
| Diploid chromosome number |
56 |
| Karyotype formula |
8m+26sm+22a (male), 8m+27sm+21a (female). |
| Fundamental arm number |
90 (male), 91 female |
| Chromosome length |
- |
| Sex chromosome |
Female karyotypes exhibited a heteromorphic pair suspected to be sex chromosome complex. |
| Chromosome staining/banding/FISH |
- |
| Reference |
Eyo JE (2005). Cytogenetic variations in Clarias species (Clariidae: Surulifromis) of the Anambra river using leucocytes culture techniques. Animal Research International, 2(1): 275- 286. |
| Karyotype /Metaphase complement image |
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| Record 2 |
| Geographical area of study |
Oyo State Fish Farm, Agodi, Ibadan; Asejire Lake, Osun State and Lekki lagoon, Lagos State, Nigeria. |
| Source of chromosomes |
Kidney |
| Number of specimens with sex |
5 |
| Diploid chromosome number |
56 |
| Karyotype formula |
33m+12sm+2st+9t |
| Fundamental arm number |
- |
| Chromosome length |
- |
| Sex chromosome |
- |
| Chromosome staining/banding/FISH |
- |
| Reference |
Ifeoluwa OT, Adeogun AO, Bakare AA, Sowunmi AA, Ugwumba AAA, Ugwumba OA (2011). Karyotypic description of six species of Clarias (Siluriformes: Clariidae) from South West Nigeria. International Journal of Animal and Veterinary Advances, 3(4): 264-273. |
| Cross Link |