Environment ❯ Ecology ❯ Aquatic Ecosystems

Freshwater Fish

Fish Die-Off Chicago River Wels Population Dynamics Trout Impact of Low Water Levels Fish Conservation Rhein River Ecosystem Population Dynamics Wels (Catfish) Fish Species

Yellowstone Orders Daily Afternoon-to-Sunrise River Fishing Closures

Record-warm river temperatures with low flows are stressing and killing trout, prompting emergency limits to protect fish populations.

Rhine Runs Alarmingly Low, Driving Up Transport Costs and Harming Wildlife

Scientists Confirm Transmissible Melanoma in Brown Bullhead Catfish

Police Probe Suspected Chlorine Attack on 18 Austrian Fish Ponds

Baltic Fish Die-Off Near Rostock Eases as Officials Test for Oxygen Depletion

Peer-Reviewed Study Finds 24 Fish Species Now Spawning in the Chicago River

Brombachsee Officials Launch Sonar Survey After Latest Wels Bite

Massive 80-Kilogram Wels Catfish Caught in Lake Garda Raises Alarm

Giant Catfish Released into Elbe After Czech Reservoir Drained