Hippopotamyrus grahami (Norman, 1928)

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Hippopotamyrus grahami : Taverne, 1971 a : 104Note sur la systématique des poissons Mormyriformes. Le problème des genres Gnathonemus, Marcusenius, Hippopotamyrus, Cyphomyrus et | Taverne, 1971 b : 136Ostéologie des genres Marcusenius Gill, Hippopotamyrus Pappenheim, Cyphomyrus Myers, Pollimyrus Taverne et Brienomyrus Taverne (Pisces Mormyriformes). | Taverne, 1972 : 171Ostéologie des genres Mormyrus Linné, Mormyrops Müller, Hyperopisus Gill, Isichthys Gill, Myomyrus Boulenger, Stomatorhinus Boulenger et Gymnarchus Cuvier. Considérations générales des poissons de l'ordre des Mormyriformes. | Kiss, 1977 : 264Les poissons et la pêche dans le lac Ihema (Rwanda, bassin moyen de l'Akagera). | Gosse, 1984 d : 7516. Mormyridae. | Eccles, 1992 : 28, 116, fig.FAO species identification sheets for fishery purposes. Field guide to the commercial marine and brackish-water species of Tanzania. | Brown et al., 1996 : 1216 (as Hypopotamyrus grahami)Basal expansion of anal-fin rays: a new osteological character in weakly discharging electric fish (Mormyridae). | De Vos et al., 2001 a : 59An annotated checklist of the fishes of Rwanda (east central Africa), with historical data on introductions of commercially important species. | Seegers et al., 2003 : 28Annotated checklist of the freshwater fishes of Kenya (excluding the lacustrine haplochromines from Lake Victoria). | Kramer & Swartz, 2010 : 2229A new species of slender stonebasher within the Hippopotamyrus ansorgii complex from the Cunene River in southern Africa (Teleostei: Mormyriformes)..
Marcusenius grahami : Norman, 1928 a : 105 (senior synonym)Two new fishes from Lake Victoria. | Worthington, 1929 b : 96 (senior synonym)A report on the fishing survey of lakes Albert and Kioga (March to July 1928). | Hulot, 1950 b : 159 (senior synonym)Le régime alimentaire des poissons du Centre africain. Intérêt éventuel de ces poissons en vue d'une zootechnie économique au Congo belge. | Greenwood, 1956 a : 139, fig. 12 (senior synonym)The fishes of Uganda. II. | Corbet, 1961 : 30 (senior synonym)The food of non-cichlid fishes in the Lake Victoria Basin, with remarks on their evolution and adaptation to lacustrine conditions. | Okedi, 1965 : 408 (senior synonym)The biology and habits of the mormyrid fishes : Gnathonemus longibarbis, Gnathonemus victoriae, Marcusenius grahami, Marcusenius nigricans, Petrocephalus catostoma. | Okedi, 1966 : 49 (senior synonym)Some aspects of the commercial fishery of the Mormyridae with special reference to the smaller species. | Okedi, 1968 : 46 (senior synonym)Notes on the behaviour of the small mormyrid fishes of Lake Victoria. | Okedi, 1969 : 34 (senior synonym)Observations on the breeding and growth of certain Mormyrid fishes of the Lake Victoria Basin. | Okedi, 1970 : 436 (senior synonym)A study of the fecundity of some Mormyrid fishes from Lake Victoria. | Okedi, 1971 a : 1 (senior synonym)The food and feeding habits of the small mormyrid fishes of Lake Victoria, East Africa. | Fowler, 1975 : 11 (senior synonym)A catalog of World fishes (22). | Balirwa, 1979 : (as Mercusenius graham) (senior synonym)A contribution to the study of the food of six cyprinid fishes in three areas of the Lake Victoria basin, East Africa. | Gosse, 1984 d : 75 (synonym of Hippopotamyrus grahami) (senior synonym)16. Mormyridae..

Attributs

DISTRIBUTION: Lien Faunafri
Behaviour / ethology : Greenwood, 1956a | Okedi, 1968 .
Common names : Rypoun grahamuv (Czech), Graham's stonebasher / Longnose stonebasher (English), Grahami peemotkala (Estonian), Heponuijakala (Finnish), Ndongre (Kenyi: Uganda), Dono (Lango: Uganda), Kamtontoru (Nyoro: Uganda), Cyumi / Enkwekwe / Imbaraga [Rwanda (Kinyarwanda): Rwanda) .
Current distribution known : known from Lake Victoria and its affluent rivers such as the Akagera, the Nzoia and the Sio Rivers. Also occurs in the Middle Akagera system in Rwanda, in Lake Kyoga and associated rivers, and in the Victoria Nile system .
Distribution_references : Eccles, 1992 .
Food habits / trophic level : feeds on chironomid larvae, and to lesser extent on Trichoptera, Gastropoda .
Food habits / trophic level_references : Corbet, 1961 | Hulot, 1950b | Okedi, 1971 .
Growth / growth performance : Okedi, 1969 | Okedi, 1970 .
Habitat / home range : prefers shallow water with sandy bottom .
Habitat_references : Eccles, 1992 .
Reproduction : breeds twice a year, during the rainy seasons; migrates up the river to spawn .
Reproduction_references : Okedi, 1969 | Okedi, 1970 .
Size : 250 mm SL .
Types :
- Marcusenius grahami Norman, 1928: 105. Type locality: "near the mouth of Kagera River (0°57'S-31°4'E.)" Lake Victoria. Syntypes BMNH 1928.5.24:7-13.
Use and trade : part of the artisanal fishery except in Uganda where it is not eaten .