Study: Walking fish show signs of evolutionary process

Scientists at the University of Chicago looked at lungfish, which are able to breathe air, can use small stringy limbs to move itself along stream beds. It is believed these fish may be closely related to the first walking animals. This is evidence that the first animal to walk probably used its legs before it left the water.

http://www.thestatecolumn.com/science/study-walking-fish-show-signs-of-evolutionary-process/