Zebra Mussels St. Lawrence River

person in yellow USGS shirt holding a pile of zebra mussels

Detailed Description

During a National Water Quality Network (NWQN) sampling trip in May to the St Lawrence River, Hydrologic Technician Dave Knauer finds a batch of Zebra mussels attached to the boat anchor. 


Image Dimensions: 1441 x 2448

Date Taken:

Location Taken: US