Suitable spawning habitat awaits salmon

In a multi-stage effort to return migratory salmon to the Upper Columbia River so the fish may rekindle self-sustaining populations, scientists recently concluded that acres of suitable habitat await the salmon, should they ...

Grisly find a reminder of the problem of illegal fish traps

Murdoch University researchers from the Harry Butler Institute recently made a heart-breaking discovery in a wetland in Perth's northern suburbs with five mature Southwestern Snake-necked Turtles found dead in illegal traps.

Using mobile technology to predict invasive species transmission

A cooler full of fish might not be the only thing anglers bring back from a trip to the lake. Unknowingly, they may also be transporting small aquatic "hitchhikers" that attach themselves to boats, motors ― and even fishing ...

Dams exacerbate the consequences of climate change on river fish

A potential response of river fish to environmental changes is to colonize new habitats. But what happens when dams and weirs restrict their movement? And are native and alien species similarly affected? Researchers from ...

Fish invasions follow Panama and Suez canal expansions

World maritime trade grows each year, aided by canal waterways that connect oceans and reduce shipping time, energy consumption and carbon emissions. Following recent expansions of the Panama and Suez canals, non-native fish ...

US allows killing sea lions eating at-risk Northwest salmon

U.S. authorities on Friday gave wildlife managers in Washington, Oregon and Idaho permission to start killing hundreds of sea lions in the Columbia River basin in hopes of helping struggling salmon and steelhead trout.

22 Australian freshwater fish on path to extinction

Twenty-two native freshwater fish have been identified as likely to become extinct within the next twenty years, unless there is new conservation action, according to new research.

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