Loss of picky-eating fish threatens coral reef food webs

Coral reefs all over the world, already threatened by rising temperatures brought about by climate change, also face serious challenges from the possibility of fish species extinctions. According to a paper out today in the ...

Native groups sue over polar bear critical habitat

(AP) -- Alaska Native groups worried about losing tax revenues and royalties from oil development filed a lawsuit Friday challenging the federal government's designation of critical habitat for threatened polar bears on ...

Migratory river fish populations down 76% since 1970

Populations of migratory river fish collapsed by 76 percent on average in the last 50 years, according to a report by conservation groups Tuesday, warning the "catastrophic" declines could impact people and ecosystems around ...

Shrinking rivers affect fish populations

New research from the University of Canterbury published today has found that a shrinking river is less able to support larger predatory fish, such as the highly-valued sports fish like brown trout or at-risk native fish ...

Morro Bay seagrass loss causes change in fish populations

The loss of seagrass habitat caused a dramatic shift in fish species in Morro Bay. Areas once covered with lush seagrass meadows and unique fish species are now home to muddy-seafloor-loving flatfish, according to a paper ...

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