The earliest ancestors of lungfish emerged around 420 million years ago, when the fish’s swim bladders, air-filled organs that enable fish to regulate their buoyancy in water, evolved into a ...

African lungfish (Protopterus species) possess paired lungs that evolved from the swim bladder, allowing them to breathe air effectively when water oxygen levels drop. During droughts, these ...

Hydrogels, which are soft materials formed by cross-linking polymers, could have a variety of medical applications. In ...

Hydrogels, which are soft materials formed by crosslinking polymers, could have a variety of medical applications.

In research published in Advanced Science, investigators developed an injectable hydrogel containing components of fish swim bladders and used it to repair damaged heart tissue. The fish swim ...

Invasive fish species is known for breathing on land, 'walking' to new water. It harms nature in Mississippi; kill it on ...

They can breathe air and live outside water ... trying them grilled or fried and in fish tacos. Northern snakehead fish, also known as Chesapeake Channa, swim in a tank at the Academy of Natural ...

Need a break? Play the USA TODAY Daily Crossword Puzzle. Fishing in MS? This invasive fish can breathe air, walk on land. Kill it if you see it Summer will start in Mississippi soon. Here's what ...