Latest Limnology News

To capture catfish forced to the surface by a low-frequency electric current, researchers in a fast chase boat swoop in with dip nets to scoop them up before they get away, Wednesday, June 10, 2020 near Leon, W.Va. (John McCoy/Charleston Gazette-Mail via AP)

Researchers use 'shocking' method to capture catfish

Jul. 4, 2020 10:01 AM EDT

LEON, W.Va. (AP) — With its two spider-like electrodes dangling into the water, the big boat idled along slowly. “There!” one of the men on the boat yelled, pointing toward a spot 20 yards away where a catfish skittered across the surface. A smaller boat zoomed toward the fish, and a man in...

Study identifies lakes at risk of illegal fish introduction

Jun. 14, 2020 8:11 AM EDT

KALISPELL, Mont. (AP) — A recent study found a way to identify lakes and other bodies of water in northwest Montana that are at high risk of illegal fish introductions, which can threaten native species. The study will allow state fish managers to improve patrols in high risk areas. Standing next to...

Dead zone prediction: Larger than average; not near record

Jun. 3, 2020 11:50 AM EDT

NEW ORLEANS (AP) — High rivers and high levels of nitrogen and phosphorus from farm and urban runoff mean a larger than average oxygen-starved “dead zone” is likely this year in the Gulf of Mexico, researchers said Wednesday. But the predicted area for an area with too little oxygen for...