Tag Archives: AIS

PSA: Keep Bubbles in the Bowl

August 19, 2026

Goldfish (Carassius auratus) are an aquatic invasive species (AIS) that hurts water quality. It is critical that unwanted aquarium fish and plants are never dumped into lakes, creeks, or ponds. Goldfish have been popping up in lakes and streams across the Twin Cities metro and surrounding suburbs in recent years. The problem comes from humans releasing […]

SWWD Partners on Goldfish Management with the City of Woodbury

June 3, 2026

Goldfish are a non-native, invasive species that interrupt normal ecosystem processes when they become established in a waterbody. They actively disturb pond bottom sediments in search of food, causing low water clarity. This also makes nutrients like phosphorus available for algae to use, leading to unwanted blooms. It is very important that goldfish are not […]