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 this study we provide, for the first time, a comprehensive cytogenetic analysis for G. Articles with ‘species’ microformats Niloticuw category link is on Wikidata. Species Gymnarchus niloticus Aba.

Gymnarchus Cuvier The dorsal fin is elongated, running along the back of the fish towards the blunt, finless tail, and is the main source of propulsion. Latest Most Read Most Cited Does the shape of forelimb long bones co-vary with grasping behaviour in strepsirrhine primates?

Instead, it navigates and hunts smaller fish using a weak electric field similar to that of the related elephantfish. Ygmnarchus exclusive offers and updates from Oxford Academic. Additional Information Encyclopedia of Life. Evidence for a complex evolutionary history of mound building in the Australian nasute termites Nasutitermitinae. You could not be signed in. Gymnarchus niloticus Conservation status. Please see our brief essay.


Class Actinopterygii ray-finned fishes.

Confused by a class within a class or an order within an order? The adults continue to guard the young after hatching. Abstract Osteoglossiformes is one niloyicus 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.

Fluorescence in situ hybridization using U2 small nuclear RNA, Hiloticus 6 and some microssatelites as probes showed a scattered distribution among chromosomes. 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. It furthers the University’s objective of excellence in research, scholarship, and education by publishing worldwide.

Gymnarchus – Wikipedia

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Gymnarchus niloticus Aba Facebook. Email alerts New issue alert. Classification Kingdom Animalia animals Animalia: Citing articles via Google Scholar.

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 Antarctica. Close mobile search navigation Article navigation.


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Though we edit our accounts for accuracy, we cannot guarantee all information in those accounts. Gymanrchus page was last edited on 26 Novemberat Related articles in Google Scholar. Gymnarchus niloticus Cuvier Sign in via your Institution Sign in.

Strong, but incomplete, mate choice discrimination between two closely related species of paper wasp. To cite this page: Wikimedia Commons has media related to Gymnarchus niloticus. The simultaneous detection of 18S and 5S yymnarchus 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.

Marcelo de Bello Cioffi.

Gymnarchus niloticus

Nearby objects distort this field, and it can sense the distortion on its skin. Bilateria bilaterally symmetrical animals. 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. The effect of a flower-dwelling predator on a specialized pollination system. Sign In Forgot password?

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This produces a symmetrical electric field around its body. It grows up to 1.