Once they have laid their eggs, fish become 'young' again: Study

The physical relief—in body weight—that temperate fish like cod and Atlantic herring experience after they spawn for the first time allows them to breathe in more oxygen and develop a voracious appetite, all of which ...

Report highlights urgent need to end bottom trawling

The recent explosion of public interest in marine fisheries—driven in large part by the controversial success of Seaspiracy—has put the fishing industry firmly in the global spotlight, but has also highlighted how complex ...

Are the fish in your aquarium happy? Five things to look out for

If 1,500 captive mammals suffocated to death in a zoo, their suffering would spark an outcry. So when a Berlin hotel aquarium exploded at the end of 2022, why did so few people comment on the welfare of the fish? Aquatic ...

Newly released data show how fish pass through dams

Scientists at Pacific Northwest National Laboratory (PNNL) have released a unique data set containing more than 5 million raw data points on the movement, behavior, and location of juvenile Chinook salmon as they traveled ...

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