Most fish will die if removed from water. Yet Lung Fish of africa, Austrilia and South America oftern spends long periods out of water. Its body is adapted to breathe air and during drought the lung fish digs a hole in the mud. Slime from its body forms a protective cocoon until the water returns. Lungfish also known as salamander fish are freshwater fish.All lungfish have two lungs, with the exception of the Australian lungfish, which only has one. The lungs connect to the pharynx. The modern lungfishes have a number of larval features, which suggest paedomorphosis. They also demonstrate the largest genome among the vertebrates.
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