General information |
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| Clarias gariepinus (Burchell, 1822) | ||
| Common name | North African catfish | |
| Synonyms |
Silurus gariepinus Burchell, 1822 Macropteronotus charmuth Lacepede, 1803 Clarias capensis Valenciennes, 1840 Clarias lazera Valenciennes, 1840 Clarias syriacus Valenciennes, 1840 Clarias mossambicus Peters, 1852 Clarias robecchii Vinciguerra, 1893 Clarias microphthalmus Pfeffer, 1896 Clarias guentheri Pfeffer, 1896 Clarias depressus Myers, 1925 Clarias notozygurus Lonnberg & Rendahl, 1922 Silurus gariepinus Burchell, 1822 Macropteronotus charmuth Lacepede, 1803 Clarias capensis Valenciennes, 1840 Clarias lazera Valenciennes, 1840 Clarias syriacus Valenciennes, 1840 Clarias mossambicus Peters, 1852 Clarias robecchii Vinciguerra, 1893 Clarias microphthalmus Pfeffer, 1896 Clarias guentheri Pfeffer, 1896 Clarias depressus Myers, 1925 Clarias notozygurus Lonnberg & Rendahl, 1922 |
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| IUCN Red List status (2014) | Least Concern (LC) |
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| Habitat | Freshwater |
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| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Siluriformes; Clariidae. |
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| Geographical distribution | India; China; Indonesia; Bangladesh; Malaysia; Philippines; Singapore; Thailand; Vietnam; Israel; Iraq; Egypt; Myanmar; Jordan; Syria; Laos; Cambodia; Nepal; Turkey; Russia; South Africa; Tanzania; Algeria; Angola; Libya; Somalia; Kenya; Nigeria; Namibia; Cameroon; Mozambique; Ghana; Mauritania; Sudan; Ivory Coast; Eritrea; Senegal; Guinea; France; Greece; Netherlands; Brazil; Argentina; Cyprus; Czech Republic; Hungary; Poland; Slovakia; Benin; Botswana; Burkina Faso; Burundi; Central African Republic; Chad; Democratic Republic of the Congo; Republic of the Congo; Ethiopia; Gabon; Lesotho; Malawi; Mali; Niger; Rwanda; Swaziland; Togo; Uganda; Zambia; Zimbabwe |
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| Occurrence | Introduced: India, China, Indonesia, Bangladesh, Malaysia, Philippines, Singapore, Thailand, Vietnam, Iraq, Myanmar, Laos, Cambodia, Nepal, Ivory Coast, Greece, Netherlands, Brazil, Argentina, Czech Republic, Slovakia, Gabon, Lesotho Native: Israel, Egypt, Jordan, Syria, Turkey, South Africa, Tanzania, Algeria, Angola, Libya, Somalia, Kenya, Nigeria, Namibia, Cameroon, Mozambique, Ghana, Sudan, Eritrea, Senegal, Guinea, Benin, Botswana, Burkina Faso, Burundi, Central African Republic, Chad, Democratic Republic of the Congo, Republic of the Congo, Ethiopia, Malawi, Mali, Niger, Rwanda, Swaziland, Togo, Uganda, Zambia, Zimbabwe Not established: Russia, France, Cyprus, Hungary, Poland Questionable: Mauritania |
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| Importance | Food/sports |
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| Remarks | Nil |
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Karyological information |
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| Geographical area of study | Fish culture stations from Israel, Ivory Coast & Central African Republic. | |
| Source of chromosomes | Anterior kidney. |
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| Number of specimens with sex | 37 (19 male, 18 female) from Israel, Ivory Coast and Central African Republic. |
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| Diploid chromosome number | 56 |
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| Karyotype formula | 8m+24sm+24a (male), 8m+25sm+23a (female). |
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| Fundamental arm number | 88 (male), 89 (femal |
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| Chromosome length | - |
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| Sex chromosome | Female karyotypes exhibited a heteromorphic pair (large sm & small acro), may be ZZ-ZW sex system. |
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| Chromosome staining/banding/FISH | NOR localized on single chromosome pair. No C-band positive chromosome found. |
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| Reference(s) |
Ozouf-Costaz C, Teugels GG, Legendre M. (1990). Karyological analysis of three strains of the African catfish, Clarias gariepinus (Clariidae), used in aquaculture. Aquaculture, 87: 271-277. |
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