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Image of Lepidosiren paradoxa (South American lungfish) Etymology: Lepidosiren: Greek, lepis = scale + Greek, seiren = a mythological serpent, (Ref. Expert(s). Expert: Eschmeyer, W. N.. Notes: California Academy of Sciences. Reference for: Lepidosiren paradoxa. Other Source(s). Source: Catalog of Fishes. Aestivation in the South American lungfish, Lepidosiren paradoxa: effects on cardiovascular function, blood gases, osmolality and leptin levels.

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Female above, male below.

Lepidosiren paradoxa

A Naturalist in Brazil: Both parents gather debris to make a nest. Breeding season Breeding occurs during the rainy months of the year.

These fish can grow up to cm in length Baensch et al. This is parallel to the function of a patadoxa Bemis, Sign our Guest Book. Not available FishBase mirror site: Relatively little is known about the South American lungfish.

File:Lepidosiren – Wikimedia Commons

Lepidosiren FitzingerSpecies: In other projects Wikimedia Commons Wikispecies. Other information, including egg development, the number of offspring per breeding season, and gestation periods is unknown.

To enrich the oxygen in the nest, the male develops highly vascularized structures on his pelvic fins that release additional oxygen into the water.

More research should be done so that they can be more fully understood. The parents build a nest for the young, which resemble tadpoles and lepidpsiren four external gills.

ADW: Lepidosiren paradoxa: INFORMATION

Surfactant composition of South American lungfish resembles that of amphibians. Animals with bilateral symmetry have dorsal and ventral sides, as well as anterior and posterior ends. This species influences the neotropical ecosystem of the Amazon Basin. Lepidosiren Fitzinger Prefers stagnant waters where there is little current.

Glossary Neotropical living in the southern part of the New World. In insects, “incomplete metamorphosis” is when young animals are similar to adults and change gradually into the adult form, and “complete metamorphosis” is when there is a profound change between larval and adult forms. Though we edit our accounts for accuracy, we cannot guarantee all information in those accounts. Lungfish have solid toothplates instead of individual teeth.

The males can increase oxygen levels for their developing young by using gill-like structures formed during the breeding season. The fish are obligate air-breathers and will drown if denied access to the surface Ref. Berra, Economic Importance for Humans: They use tooth plates, an enlarged cranial rib which serves as the site for the origin of the muscle that depresses the hyoid apparatusand a depressor mandibulae to manipulate and chew food prior to swallowing.

Estimates of some properties based on models Phylogenetic diversity index Ref.

These fish typically stay very close to the surface of the water. Lepidosiren paradoxa breed during the rainy months when adults are able to move into areas that have been flooded and build nests Alves-Gomes et al.

File:Lepidosiren paradoxa.jpg

From Wikipedia, the free encyclopedia. Retrieved 3 July During drought, they can burrow into mud to 50 cm below the surface and become dormant until the environment becomes more hospitable Lungfish Living fossils Fish described in Details of the range of L. It does provide intellectual benefits; lungfish represent an important step in vertebrate evolution and their origin provide insights into the origin of tetrapods Alves-Gomes et al.

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Retrieved 18 May The Animal Diversity Web is an educational resource written largely by and for college students. The abundance of this fish is largely unknown Alves-Gomes et al.