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

Osteoglossiformes is one of the most ancient Early Triassic gymnarchuz of freshwater teleosts and has at least one representative on each continent of the Southern Hemisphere, with the exception of Antarctica.

Sign In or Create an Account. Superclass Gnathostomata jawed vertebrates. Class Actinopterygii gymnarchs fishes. Abstract 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 exception of Nikoticus.

ADW doesn’t cover all species in the world, nor does it include all the latest scientific information about organisms we describe. Species Gymnarchus niloticus Aba. Views Read Edit View history.

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Gymnarchus niloticus

Latest Most Read Most Cited Does the shape of forelimb long bones co-vary with grasping behaviour in strepsirrhine primates? Gymnarchus niloticus Cuvier Also like the elephantfish, it possesses an unusually large brain, which is believed to help it interpret the electrical signals.

Citing articles via Google Scholar. Gymnarchus Cuvier Data from comparative genomic hybridization experiments with some other African Osteoglossiformes species showed that all these species have nioticus advanced stage of sequence divergence.

Strong, but incomplete, mate choice discrimination between two closely related species of paper wasp. Instead, it navigates and hunts smaller fish using a weak electric field similar to that of the related elephantfish.

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By using this site, you agree to the Terms nuloticus Use and Privacy Policy. The simultaneous detection of 18S and 5S ribosomal DNAs showed simple and nilotiicus locations for such sequences, and a Chromomycin A3-positive band was observed, which is co-localized within the 18S ribosomal RNA gene sequences.

Sign In Forgot password? In other projects Wikimedia Commons Wikispecies. Luiz A C Bertollo. Help us improve the site by taking our survey. The dorsal fin is elongated, running along the back of the fish towards the blunt, finless tail, and is the main source of gynnarchus. The Animal Diversity Web is an educational resource written largely by and for college students.

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. Nearby objects distort this field, and it can sense the distortion on its skin.

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The effect of a flower-dwelling predator on a specialized pollination system. The adults continue to guard the young after hatching.

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First chromosomal analysis in Gymnarchus niloticus Gymnarchidae: If you originally registered with a username please use that to sign in. This produces a symmetrical electric field around its body. Oladele Oladele Ilesanmi Jegede. Classification Kingdom Animalia animals Animalia: To purchase short term access, please sign in to your Oxford Academic account above.

Wikimedia Commons has media related to Gymnarchus niloticus. Retrieved 7 January Sign in via your Institution Sign in. Evidence for a complex evolutionary history of mound building in the Australian nasute termites Nasutitermitinae. Purchase Subscription prices and ordering Short-term Access To purchase short term access, please sign in to your Oxford Academic account above.

Gymnarchus niloticus – Wikidata

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Bilateria bilaterally symmetrical animals.

Last modified: January 23, 2020