Biology. Following flooding of the river banks (Gambia River), this species builds large elliptical floating nests in densely vegetated swamps at depths of about. Gymnarchus niloticus: osteoglossomorph: Life cycle and reproduction: In contrast , Gymnarchus niloticus (Gymnarchidae) prepares a large floating nest from the. Gymnarchus niloticus: pictures (2). To cite this page: Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. The Animal Diversity.

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The ADW Team gratefully acknowledges their support. Gymnarchus niloticus Cuvier Fluorescence in situ hybridization using U2 small nuclear RNA, Rex 6 and some microssatelites as probes showed a scattered distribution among chromosomes. ADW doesn’t cover all species in nilotjcus world, nor does it include all the latest scientific information about organisms we describe.

Retrieved from ” https: The results highlight the evolutionary diversification of osteoglossiform fishes. Among its six described families, the Gymnarchidae occurs in many African rivers, including the river Nile, where Gymnarchus niloticus is its only representative.

The adults continue to guard the young after hatching. Class Actinopterygii ray-finned fishes. Ezequiel A de Oliveira.

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Articles with ‘species’ microformats Commons category link is on Wikidata. Gymnarchus Cuvier In this study we provide, for the first time, a comprehensive cytogenetic analysis for G. Osteoglossiformes is one of the most ancient Early Triassic groups of freshwater teleosts nilotifus has at least one representative on each continent of the Southern Hemisphere, with the exception of Antarctica.


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While ADW staff and contributors provide references to books and websites that we believe are reputable, we cannot necessarily endorse the contents of references beyond our control. Sign In or Create an Account. Confused by a class within a class or an order within an order? Marcelo de Bello Cioffi.

Gymnarchus niloticus

This article is also available for rental through DeepDyve. Retrieved 7 January Connect with us Help us improve the site by taking our survey. The effect of a flower-dwelling predator on a specialized pollination system. Please see our brief essay. Wikimedia Commons has media related to Gymnarchus niloticus.

Strong, but incomplete, mate choice discrimination between two closely related species of paper wasp. Superclass Gnathostomata jawed vertebrates. Classification Kingdom Animalia animals Animalia: Latest Most Read Most Cited Does the shape of forelimb long bones co-vary with grasping behaviour in strepsirrhine primates?

Also like the elephantfish, it possesses an unusually large brain, which is believed to help it interpret the electrical signals. To cite this page: The Animal Diversity Web online.


Oladele Oladele Ilesanmi Jegede. In other projects Wikimedia Commons Wikispecies. The simultaneous detection of 18S and 5S ribosomal DNAs showed simple and non-syntenical locations for such sequences, and a Chromomycin A3-positive band was observed, which is co-localized within the 18S ribosomal RNA gene sequences.

Instead, it navigates and hunts smaller fish using a weak electric field similar gymnarchhs that of the related elephantfish. Related articles in Google Scholar.

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The dorsal fin is elongated, running along the back of the fish towards the blunt, finless tail, and is the main source of propulsion.

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This produces a symmetrical electric field around its body. Evidence for a complex evolutionary history of mound building in the Australian nasute termites Nasutitermitinae. Email alerts New issue alert. Citing articles via Google Scholar.