A frican lungfish (Protopterus spp.) live in water for part of each year.During yearly dry seasons, though, they dig into mud, curl up, and secrete staggering amounts of mucus that then hardens to ...

Like all living beings fish too need oxygen to survive. They extract oxygen present in the water using their gills. But there ...

However, the aptly named lungfish, which look like eels and can grow to be seven feet long, are an ancient class of fish that breathe air just like us. The earliest ancestors of lungfish emerged ...

the bichir is especially adapted to life in dry environments. Instead of a regular swim bladder it has a pair of modified "lungs," like those of the lungfish, which enable it to survive out of ...