Thursday, August 28, 2014

28/08/2014: Teaching fish to walk - on land

Researchers at McGill University think raising fish on land could work given that fish did leave the sea at some time in the past - possible as far back as 400 million years - so why couldn't they do that today?

To a researcher's mind this makes perfect sense. Published in Nature today, Emily Standen, an author of a report on this subject wanted to know how fish turned fins into feet. The study involved just over 100 juvenile Polypterus senegalus — or dinosaur eel — and reared them over eight months in a land-based environment.

To keep the fish wet they were provided with three millimetres of water over pebbles on a mesh floor. They wet then filmed using high speed video equipment ove rthe eight month study period.

Read more HERE.

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