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Clarias
werneri Boulenger, 1906
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Image
contributors to this species: |
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ScotCat
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Relevant Information: |
Found in lakes and rivers. Feeds
mainly on insects, consisting of larval and adult aquatic
Coleoptera, terrestrial insects, chironomid larvae and larvae
of Povilla, culicines and hydroptilids. Also feeds on ostracods,
gastropods, plants, copepods and Hydracarina. Dorsal spines
(total): 0; Dorsal soft rays (total): 64-92; Anal soft rays:
64 - 79; Vertebrae: 58 - 62. Pectoral fin spine serrated on
both inner and outer sides. Head pointed in dorsal outline;
snout short and slightly rounded; eyes more dorsally located.
Frontal fontanelle short and squat (`sole-shaped') or intermediate
between `sole-shaped' and `knife-shaped'; occipital fontanelle
long and oval-shaped. The `dermosphenotic' and supraorbital
joined. Tooth plates small. gill rakers long, slender and
distantly set. Suprabranchial organ well developed. Openings
of secondary canals regularly arranged along flanks. |
Common
Name: |
Werner's catfish |
Synonyms: |
Clarioides werneri |
Family: |
Clariidae |
Distribution: |
Africa: Lakes
Victoria, Kioga, Edward, and Tanganyika; upper Nile River.
Type locality: Gondokoro, and Lake Victoria
(at Bunjako, Buganga, and Munyonyo), Uganda, restricted to
Buganga, by lectotype designation. |
Size: |
23.0cm. (9ins) |
Temp: |
23-28°C (73-83°F) |
p.H. |
6.5-7.2. |
Reference: |
Froese, R. and D. Pauly.
Editors. 2011.FishBase. World Wide Web electronic publication.
www.fishbase.org, version
Ferraris, C.J. Jr., 2007. Checklist of catfishes,
recent and fossil (Osteichthyes: Siluriformes), and catalogue
of siluriform primary types. Zootaxa 1418:1-628.
Teugels, G.G., 1986. A systematic revision
of the African species of the genus Clarias (Pisces; Clariidae).
Ann. Mus. R. Afr. Centr., Sci. Zool., 247:199 p.
van Oijen, M.J.P., 1995. Appendix I. Key
to Lake Victoria fishes other than haplochromine cichlids.
p. 209-300. In F. Witte and W.L.T. van Densen (eds.) Fish
stocks and fisheries of Lake Victoria. A handbook for field
observations. Samara Publishing Limited, Dyfed, Great Britain. |
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