This fish could live on land without water for months or even years.
What kind of fish is this? Is this really a fish?
When we say fish, the first thing that comes into our mind is a creature dependently living on the water. But have you heard of a kind of fish that has the ability to live on land without water for months, even years?
This fish is called lungfish, also known as salamanderfish, is a type of freshwater fish best known for its ability to live on land without water, for months and sometimes even years. The lungfish have a highly evolved respiratory system that can take oxygen straight from the air like land animals do. Some species of lungfish are so used to breathing air that they slowly lose the function of their gills as the fish approach adulthood.
While they still live in water, they need to regularly come up to the surface for air and can even drown if they are held underwater for a long time.
Lungfish have elongated bodies, like eels, with thread-like pectoral and pelvic fins which they use to swim and crawl along the bottom. They usually live in shallow waters such as swamps, marshes, and also can be found in larger lakes.
During the dry season, the lungfish burrows itself deep into the mud, digging out a path by taking mud into its mouth and forcing it out its gills. After it reached a comfortable depth, it will stop digging and secrete a mucous out of the skin that hardens to form a protective cocoon around it and only its mouth was left exposed for breathing.
Lungfishes are found only in Africa, South America and Australia.
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Posted by Trending Karon on Tuesday, March 6, 2018