European flounder can complete whole life cycle in freshwater

Most flounders sampled in Lake Pulmanki in northern Finland had spent their entire lives in freshwater. The study provides the first evidence of the species living entirely in freshwater. The work is published in Evolution.

Gold mining introduces an overlooked threat to wild caimans

Mercury pollution from artisanal gold mining in tropical regions is finding its way into wildlife. A team from the University of Vienna and the Veterinary University of Vienna shows that mercury exposure impairs the glucocorticoid ...

Oh boy, all girls again: Research tracks sea turtle sex ratios

Forty young sea turtles recently reached an important milestone at Florida Atlantic University: They were finally big enough to leave the university's marine science laboratory and return to the ocean. Their release was a ...

Fingerprints of the sea: Identifying sharks by their fins alone

Every oceanic whitetip shark has a fin pattern as unique as a human fingerprint. In a new study published in Marine Biology, FIU researchers identified more than 50 oceanic whitetip sharks by their fins alone using pelagic ...

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