Many of the country’s native fish species are threatened by habitat loss and pollution while the spread of invasive aliens is ...

The biggest source of salty freshwater in D.C. and other major northern inland cities is an overapplication of road salt to thaw winter ice, which runs off into rivers or the ground.

A striking, silver-colored fish commonly kept as an aquarium pet has been hiding in plain sight in the Philippines' largest ...

When Slater Mill opened in 1793, it signaled the eventual demise of river herring and other migratory fish in the Blackstone ...

It's possible that these sharks could end up completely landlocked in freshwater lakes. Scientists baffled after discovering ...

The last time I wrote about otters I stated that sea otters are in my top 10 list of “most appealing adult mammals.” First, ...

A river otter is one of the coolest mammals to find in the wild and a delight to watch. Of course, potential prey swimming ...

T'puram: Kerala State Biodiversity Board, in association with Kerala University of Fisheries and Ocean Studies (Kufos), ...

A striking, silver-colored fish commonly kept as an aquarium pet has been hiding in plain sight in the Philippines’ largest ...

Officials recommend anglers check the CDC guidelines before eating freshwater fish due to rising contaminant levels.