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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In other projects Wikimedia Commons Wikispecies. Gymnarchus Cuvier The adults continue to guard the young after hatching.

Oladele Oladele Ilesanmi Jegede. Gymnarchus niloticus Cuvier Though we edit our accounts for gymnardhus, we cannot guarantee all information in those accounts. In this study we provide, for the first time, a comprehensive cytogenetic analysis for G. Marcelo de Bello Cioffi. Email alerts New issue alert.

Gymnarchus niloticus — commonly known as the abaaba abafrankfishfreshwater rat-tailpoisson-chevalor Miloticus knifefish — is an electric fishand the only species in the genus Gymnarchus and the family Gymnarchidae within the order Osteoglossiformes.

Retrieved 7 January It furthers the University’s objective of excellence in research, scholarship, and education by publishing worldwide. The simultaneous detection of 18S and 5S ribosomal DNAs showed simple and non-syntenical locations niloitcus such sequences, and a Chromomycin A3-positive band was observed, which is co-localized within the 18S ribosomal RNA gene sequences.

Gymnarchus niloticus

Strong, but incomplete, mate choice discrimination between two closely related species of paper wasp. Bilateria bilaterally symmetrical animals.


Wikimedia Commons has media related to Gymnarchus niloticus. Instead, it navigates and hunts smaller fish using a weak electric field similar to that of the related elephantfish.

Gymnarchus – Wikipedia

The dorsal fin is elongated, running along the back of the fish towards the blunt, finless tail, and is the main source of propulsion. Help us improve the site by taking our survey. The Animal Diversity Web online.

Sign in via your Institution Sign in. Abstract Ghmnarchus is one of the most ancient Early Triassic groups of freshwater teleosts and has at least one representative on each continent of the Southern Hemisphere, with the exception of Antarctica. Purchase Subscription prices and ordering Short-term Access To purchase short term access, please sign in to your Oxford Academic account above.

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Related articles in Google Scholar. Fluorescence in situ hybridization using U2 small nuclear RNA, Rex 6 and some gymnarchys as probes showed a scattered distribution among chromosomes.

Data from comparative genomic hybridization experiments with some other African Osteoglossiformes species showed that all these species have an advanced stage of sequence divergence.

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Species Gymnarchus niloticus Aba. You niloticuz not currently have access to this article. This page was last edited on 26 Novemberat The Animal Diversity Web is an educational resource written largely by and for college students. Osteoglossiformes is one of the most ancient Early Triassic groups of freshwater teleosts and has at least one representative on each continent of the Southern Hemisphere, with the gymnarchsu of Antarctica.


Receive exclusive offers and updates from Oxford Academic. This article is also available for rental through DeepDyve. From Wikipedia, the free encyclopedia. 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. Gymnarchus niloticus Conservation status.

ADW doesn’t cover all species in the world, nor does it include all the latest scientific information about organisms we describe. Sign In or Create an Account. To purchase ygmnarchus term access, please sign in to your Oxford Academic account above. Connect with us Help us improve the site by taking our survey. Don’t already have an Oxford Academic account? Don’t have an account? Among its six described families, the Gymnarchidae occurs in many African rivers, including the river Nile, where Gymnarchus niloticus is its nlioticus representative.

Evidence for a complex evolutionary history of mound building in the Australian nasute termites Nilpticus. Class Actinopterygii ray-finned fishes. The results highlight the evolutionary diversification of osteoglossiform fishes. If you originally registered with a username please use that to sign in.

First chromosomal analysis in Gymnarchus niloticus Gymnarchidae: Views Read Edit View history.