… but our independent journalism isn’t free to produce. Help us keep it this way with a tax-deductible donation today. A decade ago, when news broke that zebra mussels had found their way to Cass Lake ...

New research shows that the anesthetic ketamine keeps fish from giving up — and the way it works may help figure out how it works in humans and lead to better medications for depression. A tiny fish ...

Stingrays and zebra mbuna fish can perform simple addition and subtraction involving numbers between 1 and 5. Several studies have shown that fish can tell the difference between higher and lower ...

LONGVILLE, Minnesota, October 9, 2021 (ENS) – For the first time, the Minnesota Department of Natural Resources has sounded the alarm to notify the public the agency is fighting invasive zebra mussels ...