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Modern Lungfishes are in 3 families: Ceratodontidae- found in Australia, Lepidosirenidae- found in South America, and Protopteridae- found in Africa. These relict fish have elogated bodies, much like that of an eel. They have small scales, and these fish actually have paired lungs. Although these fish have lungs, Lungfish normally only use these air sacs during times of extreme stress. They have been know to stay in bodies of water that have a tendency to dry up during the summer. The Lungfish has the ability to burrow in the mud and survive by breathing with their lungs until the rain comes.

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Winston Stehr

Lvl 10
2y ago

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