News tagged with fish

Ghosts of past diseases shape species evolution

Parasites and diseases are major elements of the environment that affect animal populations. The new findings show evidence that infections in one generation can affect the survival and growth of a subsequent generation that ...

date13 hours ago in Evolution
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Fish evolve by playing it safe

New research supports the creation of more marine reserves in the world's oceans because, the authors say, fish can evolve to be more cautious and stay away from fishing nets.

dateMar 21, 2017 in Ecology
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What's cuing salmon migration patterns?

The spring-fed water that flows through Hansen Creek in southwestern Alaska is almost always clear. Its rate and temperature stay relatively constant throughout the year. Each summer, sockeye salmon migrate through the shallow, ...

dateMar 20, 2017 in Ecology
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Rare monk seal dies in fish farm off Hawaii

An endangered Hawaiian monk seal has died after wandering into a net pen and becoming trapped at a fish farm that was partially funded by the National Oceanic and Atmospheric Administration in Hawaii.

dateMar 17, 2017 in Ecology
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Leap onto land saves fish from being eaten

Fish on the South Pacific island of Rarotonga have evolved the ability to survive out of water and leap about on the rocky shoreline because this helps them escape predators in the ocean, a ground-breaking new study shows.

dateMar 14, 2017 in Evolution
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