Temperature rise might lead to fish stock change in North Sea

As the North Sea becomes warmer in the future, some species of fish commonly seen in the area will be replaced by other species, according to a study published Monday in the journal Nature Climate Change.

Aquatic Pandas: 3,000 artificially-bred rare fish freed into river

Researchers freed 3,000 artificially-bred Chinese sturgeons, a rare fish that has lived through the dinosaur age, into the country's longest river, the Yangtze, to save the species from extinction.