Related topics: fish

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 ...

Researchers discover new sex hormone

When University of Ottawa biologists Kim Mitchell and Vance Trudeau began studying the effects of gene mutations in zebrafish, they uncovered new functions that regulate how males and females interact while mating. We sat ...

New study reveals what fish are up to under the ice

Ever wondered how fish spend the winter? Using new technology, researchers from U of T Mississauga have taken a peek beneath the winter ice to reveal surprising new information about aquatic environments in winter.

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