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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 reaches up to about 4 feet (1.25 meters) long. While other fish rely upon gills to breathe, lungfish also possess a pair of lung-like organs.
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]
Specifically, the record belongs to the South American lungfish, which has a genomic sequence of a staggering 90 billion base pairs of genetic information (for reference, the human genome only has ...
The South African government committed to spending R10 million on the program. [78] [79] In 2011, a plan was made for a Tanga Coelacanth Marine Park to conserve biodiversity for marine animals including the coelacanth. The park was designed to reduce habitat destruction and improve prey availability for endangered species. [76]
The arapaima, pirarucu, or paiche is any large species of bonytongue in the genus Arapaima native to the Amazon and Essequibo basins of South America. Arapaima is the type genus of the subfamily Arapaiminae within the family Osteoglossidae. [1] [2] [3] They are among the world's largest freshwater fish, reaching as much as 3 m (9.8 ft) in ...
American sole (family Achiridae) Amur pike; Anchovy (family Engraulidae) Anemonefish (subfamily Amphiprioninae of family Pomacentridae) Angelfish (numerous unrelated taxa, including family Pomacanthidae, family Squatinidae, genus Pterophyllum, the Atlantic pomfret, the Atlantic spadefish, and the cave angelfish) Angler (Lophius piscatorius)