News tagged with fish

Bravery may cost fish their lives

Fish that show bravery often become prey themselves, whereas shyer individuals survive to a greater extent. Researchers at Lund University in Sweden have now successfully established a connection between bold personalities ...

dateMay 04, 2017 in Ecology
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When good animals make bad decisions

Life is full of choices and animals have to make them every day, such as where to live, where to feed, and which other animals to interact with. These decisions are often based on an animal's perception of their surroundings ...

dateMay 04, 2017 in Ecology
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How do fishes perceive their environment?

Fishes perceive changes in water currents caused by prey, conspecifics and predators using their lateral line. The tiny sensors of this organ also allow them to navigate reliably. However, with increasing current velocities, ...

dateMay 03, 2017 in Plants & Animals
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Montana dam, passage to save fish lacks funding

A federal agency targeted by President Donald Trump for budget cuts next year has only about half the money needed to build a new Yellowstone River dam and a bypass channel meant to save an endangered fish, but it plans to ...

dateMay 03, 2017 in Environment
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Evolution: On mosaics and melting-pots

Genetic studies of cichlid fishes suggest that interspecies hybrids played a prominent role in their evolution. Analysis of a unique fossil cichlid from the Upper Miocene of East Africa now provides further support for this ...

dateMay 02, 2017 in Archaeology & Fossils
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Potential for Saudi Arabian coral reefs to shine

Marine surveys estimating fish population density and diversity are crucial to our understanding of how human activities impact coral reef ecosystems and to our ability to make informed management plans for sustainability. ...

dateMay 01, 2017 in Environment
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