Walking Began Underwater, Strolling-Fish Discovery Suggests
by James Owen, Dec. 2011
The West African lungfish has been found to walk on its fins, according to a new study.
While other fish are known to stroll—and some even have “hands” (pictures)—this is the first time the behavior has been seen in a fish related to the first land-walkers. The find could mean that our ability to walk originated underwater, researchers say.
(Related pictures: “Walking Fish a Model of Evolution in Action.”)
In the lungfish, “this ability is surprising, because lungfish don’t have feet!” study leader Heather King said via email.
Based on observations of the fish’s movements in glass tanks in the lab, the study showed the lungfish were able both to push off a solid surface and move along it using their pelvic fins. (Watch a brief video of the lungfish walking.)…
(read more: National Geo)                                    
(photo: Yen-Chyi Liu, University of Chicago)

Walking Began Underwater, Strolling-Fish Discovery Suggests

by James Owen, Dec. 2011

The West African lungfish has been found to walk on its fins, according to a new study.

While other fish are known to stroll—and some even have “hands” (pictures)—this is the first time the behavior has been seen in a fish related to the first land-walkers. The find could mean that our ability to walk originated underwater, researchers say.

(Related pictures: “Walking Fish a Model of Evolution in Action.”)

In the lungfish, “this ability is surprising, because lungfish don’t have feet!” study leader Heather King said via email.

Based on observations of the fish’s movements in glass tanks in the lab, the study showed the lungfish were able both to push off a solid surface and move along it using their pelvic fins. (Watch a brief video of the lungfish walking.)…

(read more: National Geo)                                    

(photo: Yen-Chyi Liu, University of Chicago)

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