The South American lungfish is an eel-bodied, thread-finned fish of the Amazon, Paraguay, and lower Parana river basins, reaching up to about 1.25 meters long. Juveniles are strikingly spotted gold on black, a pattern that fades to plain brown or gray as they mature. Its gills are reduced to the point of being effectively nonfunctional in adults, making it an obligate air-breather dependent on a pair of lungs. When its swamp habitat dries up, it burrows into the mud, seals a chamber with mucus, and slows its metabolism to wait out the dry season in dormancy.
Facts
Classification
System (Realm) Living or Extinct Scientific Name Conservation Status Sources
1. Wikipedia: South American lungfish
system (MediaWiki batch-API article extract states it plainly)
The South American lungfish (Lepidosiren paradoxa), also known as the American mud-fish and scaly salamanderfish, 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.
Speciesbox infobox, conservation status parameter
status = LC
View the Source2. South American Lungfish (Wikidata)
Wikidata- Wikidata Q1410142 (P225 taxon name)
Statements section, conservation status (P141)
IUCN Red List conservation status (Wikidata property P141): least concern.
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