Walking may have had wet start

Lurching lungfish suggest underwater start for four-legged locomotion

By Nick Bascom, 15:27 PM December 14, 2011

African lungfish walk and bound along the bottoms of water tanks on their slender, whiplike pelvic fins, a new study finds.
Because lungfish are closely related to some of the earliest four-legged terrestrial vertebrates known as tetrapods, such findings may indicate that transitional creatures learned to scuttle across the floors of ancient seas before they took to land and developed more complex limbs with digits, biologist Heather King and colleagues at the University of Chicago sugges...

Source URL: https://www.sciencenews.org/article/walking-may-have-had-wet-start