Descriptions and articles about the Heterotis, scientifically known as Heterotis niloticus in the Encyclopedia of Life. Includes Overview; Comprehensive Desc. Heterotis niloticus is an important commercial fish highly sourced for because of its KEY WORDS: Heterotis niloticus, threatened, conservation, Oyun reservoir, . Heterotis niloticus (Cuvier, ). Dataset; GBIF Backbone Taxonomy: Rank; SPECIES.

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Research on the exploitation of H. Retrieved from ” https: Notes on Natural Enemies Top of page In fish heterrotis, it has been reported that a crustacean of genus Lernaeogiraffa attacks the gills of H. Juveniles are found in swampy places among aquatic vegetation; adults live in the open water of rivers and lakes, where they can be found in the pelagic zone as well as the littoral zone Moreau, Kapetsky JM, Peter T, eds.

They tested these primers with a sample of 40 individuals from two natural populations in Benin, West Africa. Distribution Maps Top of page You can pan and zoom the map. Isolation and characterization of nuclear-encoded microsatellite DNA hsterotis for the African bonytongue, Heterotis niloticus.

Longevity Possibly between 5 and 10 years Moreau, Escapees from ponds into the wild resulted in established populations, which form the basis for fisheries Welcomme, Bake and Sadiku describe a decline in the population density of H. Nguenga D; Brummett R, Ministry of Agriculture Northern Nigeria, pp. The number of oocytes per gram of ovary was not influenced by body size.


Tome 1 [English title not available]. Motwani, inland fishery biologist. Preliminary results on the effects of weaning age on survival and growth of H. Status of African reservoir fisheries. However, the high interconnection of African rivers and lakes systems leading to a complex hydrological regime could allow natural spread of H.

Dankwa and et al. In many African rivers and lakes, H.

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The suitability of Heterotis niloticus Ehrenberg as a fish for cultivation with a note on their spawning behaviour. Compared to these, the African arowana has a more terminal mouth and is the only one that feeds extensively on plankton. Migration from source population lakes heterootis flooding favours the dispersal of Heterotis in related water bodies and therefore will increase the risk of introduction Adite et al.

Nguenga and Brummett evaluate the establishment of H. In other projects Wikimedia Commons Wikispecies. It’s not feral or aggressive like its relatives. Osteoglossomorpha, Mormyriformes in Lake Victoria, Uganda.

Paugy and et al. The species can survive in deoxygenated waters Moreau, ; Adite et hetrrotis. Reproductive organs are described in detail by Adite et al.


The hardiness of this fish, together with its high growth rate, make it a candidate for aquaculture in Africa and it has been transported hetdrotis a number of countries for this purpose Welcomme, Views Read Edit View history.

Fishing Worldrecords bony tongues >> Heterotis niloticus

Conservation Genetics Resources, 3: Work in Nigeria includes the evaluation of aquaculture potential of H. Risk of Introduction Top of page The complexity of the hydrological regime of many African river and lake systems enhances the risk of introduction and spread in related water bodies of the aquatic system. Belgian Journal of Zoology, 2: Adite A; Thielen RVan, Une reussite du service forestier du Cameroun.

Revue d’Hydrobiologie Tropicale, 15 3: Environmental Biology of Fishes, Taxonomic Tree Top of page Domain: The size at first maturity for H.

The number of alleles for the nine microsatellites ranged from 2 to 9, observed heterozygosity from 0.