Scientists have discovered a fossil fish that is considered a "missing link" between fish and amphibians. The fossil has been dated as living 365 million years ago. It has characteristics of both fish and land-living animals and provides new information about how fish evolved into land-dwelling animals.
The find includes more than one specimen that are 4 to 9 feet long (1.2 to 2.75 meters long). They look like a cross between a fish and a crocodile and were found north of the Arctic Circle on Ellesmere Island in Canada. The find was reported in the journal Nature recently.
The bones in it’s front fins resemble those in an arm and the creature was probably able to move about on land going from one body of water to another. It probalby had lungs as well as gills.
The creature has been named "Tiktaalik roseae"—Tiktaalik refers to a large fresh-water fish found in the Nunavut Territory. Scientists will return to the site and try to find more specimens of this important find.
Bob
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