Authorities are investigating why thousands of dead fish washed up on the shore of the regional Victorian town of Loch Sport.

After nine months, the strange behavior that claimed the lives of endangered sawfish is back. Here’s what we know about ...

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In recent weeks, hundreds of sea lions, dolphins and other animals have turned up in the sand dead or seriously ill, alarming ...

A microalgae "toxic to fish but not humans" has been identified as the cause of a bloom linked to octopus and other marine deaths along SA beaches, with environment authorities saying the algae has ...

Last week when the winter-run Chinook got caught in pumps that funnel water south from the Sacramento-San Joaquin Delta to farms and cities, California officials dialed down water deliveries in line ...

Dead fish were removed from a stormwater pond in Waterloo on Wednesday by city crews. The exact cause of the die-off is ...

Scores of dead sea animals have also been seen washed up on the sand, including seahorses, fish and octopuses. Scores of dead marine life, including seahorses and fish, began washing up on the shore.

A 36-foot emaciated sea creature washed up on a California beach, and now researchers want to know how it died. On March 29, ...