McGill University Scientists Teach Fish to Walk on Water

Scientists at McGill taught this fish how to walk out of water. (PHOTO CREDIT: McGill University/Handout)
Scientists at McGill taught this fish how to walk out of water. (PHOTO CREDIT: McGill University/Handout)

Montreal researchers wanting to see how our ancestors raised fish that can walk on land to show how being out of water changed the way the fish looked and moved.

The McGill University researchers raised a fish called a Polypterus, which can breathe air, walk on land using their front fins, and looks like ancient fishes that evolved into tetrapods – four-limbed vertebrates.

The “terrestrialized” fish – meaning they were raised out of water – showed significant anatomical and behavioural changes, the researchers said in the study, published this week in the journal Nature.

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SOURCE: Toronto Sun

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