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The South American lungfish (Lepidosiren paradoxa), also known as the American mud-fish [6] and scaly salamanderfish, [7] is the single species of lungfish found in swamps and slow-moving waters of the Amazon, Paraguay, and lower Paraná River basins in South America. [8]
South American lungfish. The South American lungfish, Lepidosiren paradoxa, is the single species of lungfish found in swamps and slow-moving waters of the Amazon, Paraguay, and lower Paraná River basins in South America. Notable as an obligate air-breather, it is the sole member of its family native to the Americas.
The South American lungfish is an extraordinary creature - in some sense, a living fossil. Inhabiting slow-moving and stagnant waters in Brazil, Argentina, Peru, Colombia, Venezuela, French Guiana ...
All members of the order are obligatory air-breathers; only the Australian lungfish has functioning gills when adult; members of the Lepidosirenidae have gills only when they are larvae. [5] The South American and African lungfish also all have generally small scales and two lungs as opposed to the Australian lungfish's single lung. [5]
Researchers found that the South American lungfish has 90 billion base pairs in its genetic code thanks to “jumping genes,” which have continued to expand the length of the fish’s sequence ...
The Gnathorhizidae are an extinct family of lungfish that lived from the late Carboniferous until the middle Triassic. Gnathorhizid fossils have been found in North America, Madagascar, Australia, and possibly Eastern Europe and South Africa. They are characterized by high-ridged toothplates that form cutting blades and a reduction in cranial ...
Common names of fish can refer to a single species; to an entire group of species, such as a genus or family; or to multiple unrelated species or groups. Ambiguous common names are accompanied by their possible meanings. Scientific names for individual species and higher taxa are included in parentheses.
Saint-Hilaire speculated that the Minhocão described to him may be a large species of South American lungfish. [1] It was also reported in an article in a German scientific journal in 1878 by German naturalist Dr. Fritz Müller, and also summarized in Nature, [2] largely based on accounts by Curitibanos resident Senhor Lebino. [3]