Scientists have found prized Siamese fighting fish are typically being kept in conditions a quarter of the size they need to thrive, challenging decades of retail practice in the multi-million dollar ...

In the late-1970s, a small freshwater fish known as the snail darter made history when its newly acquired status as an endangered species helped to temporarily block construction of the Tellico Dam in ...

A fisherman shared what it's like to catch an illegal fish that has made a harmful mark on U.S. ecosystems. "This is a 50-pound bighead carp, and it's officially the most invasive fish in the United ...

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