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 water for several hours. Bowfin are normally ravenous eaters but ...

In lungfish, the heart is partially divided into a right and left atrium. The sinus venosus opens into the right side of the atrium. Vessels from the lung return oxygenated blood to the left atrium ...

In lungfish, the heart is partially divided into a right and left atrium. The sinus venosus opens into the right side of the atrium. Vessels from the lung return oxygenated blood to the left atrium ...

are the closest living relatives to that ancient species that learned it could breath both in water via gills and on land with a set of lungs (hence the name lungfish). Now, on the surface ...

The much-loved lungfish was given the honorary title of ... which will be held in the department "He was a pretty old lung fish - upwards of 30 or 40 - and he didn't make it," she said.

It can easily breathe air, because this fish already has lungs, like we land vertebrates still do today ... Only three lineages of these closest relatives, the lungfish, are still alive today: one in ...