News tagged with saltwater fish

How mixing light with salt makes a smolt?

For decades, researchers have tried to find out what regulates changes in salmon when they transform from being freshwater to saltwater fish. Now they have come a little closer to an answer.

dateMay 05, 2015 in Ecology
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Why mercury is more dangerous in oceans

Even though freshwater concentrations of mercury are far greater than those found in seawater, it's the saltwater fish like tuna, mackerel and shark that end up posing a more serious health threat to humans who eat them.

dateJun 27, 2010 in Earth Sciences
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