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Articles on Fish

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375 million years ago fishes like Tiktaalik (pictured, above) looked out above water for prey. John Long, Flinders University

The eyes have it: how vision may have driven fishes onto land

The first truly terrestrial animals evolved from ancient fishes that left the water for land. But what prompted to move has been a mystery.
The program can work well for polygamous species such as gorillas. Mary Ann McDonald/shutterstock.com

Swingers’ hookup program can find the right match for endangered species

Computer dating for animals? Finding the right matchup - using DNA rather than personality questionnaires - could help select the best partnerships for captive breeding programs.
Qilinyu, shown here front and top left, with its kin Entelognathus and small worm-like conodont animals swimming in the background. Dingua Yang/Inst. Vertebrate Palaeontology & Palaeoanthropology

Chew on this: we finally know how our jaws evolved

Next time you bite down on something you’re eating, spare a thought for the evolutioniary leap made by an ancient fish that gave rise to our jaws.
How many species of frog are in the picture? Genetics often says ‘more than we thought’. Michael Lee (Flinders University & South Australian Museum)

The Earth’s biodiversity could be much greater than we thought

The Earth is full of many varied species from the largest mammals to the tiniest organisms. But we now think there could be ten times more species than was originally thought.
Spangled perch are one of Australia’s strongly migratory native fish. After storms in January 2015 these fish were actively travelling up a flooded road in outback Northern Territory. Jessica Brown

We can have fish and dams: here’s how

Freshwater fish are declining everywhere, in part thanks to dam-building. But we can have both.

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