Environment ❯ Ecology

Aquatic Ecosystems

Fish Populations Fish Species Water Quality Freshwater Fish Pollution Invasive Species Freshwater Lakes Fish Mortality Freshwater Ecosystems Algal Blooms

San Carlos Lake Closed After Mass Fish Die-Off

Tribal managers say drought paired with recent Coolidge Dam releases caused the collapse.

Hazardous Algae Advisory Issued for Two Lake Nokomis Beaches

Thousands of Fish Found Dead Along 20-Mile Stretch of the Chattahoochee River

Most of the World’s Rivers Are Losing Oxygen, Global Study Finds

Assam Announces Rare Fish Found in Goalpara’s Underground Waters

Researchers Map Flooded Buenos Aires Quarries for Pejerrey Farming and Safer Recreation

U.S. Slashes Lake Powell Releases, Taps Flaming Gorge to Protect Hydropower

Mexico Water Agency Cites Salinity Shock From Open Lagoon Gate in Veracruz–Tamaulipas Fish Kill

Ottawa Marks Start of Contrecœur Port Expansion With $1.16 Billion Canada Infrastructure Bank Loan

Rhineland-Palatinate Approves First Energyfish Swarm at Sankt Goar

37-Year Chesapeake Study Finds Cannibalism Drives Juvenile Blue Crab Deaths

Buenos Aires Province Expands Cyanobacteria Alerts: 12 Lagoons at Orange, La Salada at Red

Baltic Sea Hits Record Low, Raising Odds of Major North Sea Inflow

100,000 Bony Bream Found Dead on Lake Menindee’s Sunset Strip

Bangladeshi Cargo Ship Sinks in West Bengal River as 12 Are Rescued

WWF-Pakistan Warns Amazon Sailfin Catfish Now Widespread in Sindh and Lower Punjab

Police Probe Suspected Chlorine Attack on 18 Austrian Fish Ponds

Salmon Reappear in Russian River Upper Basin and Alameda Creek After Passage Fixes

Santa Fe Suspends River Fish Collection and Exports for One Year to Rebuild Paraná Stocks

Study Ties Algal Neurotoxins to Alzheimer’s-Like Brain Changes in Florida Dolphins