Photo and video gallery
Click through the gallery below to find more about rusty crayfish, zebra and quagga mussels, Asian Clams, multiple carp species, European Rudd, purple loosestrife, common reed, didymo, and Eurasian watermilfoil. To request the use of these photos or to obtain a high resolution file, please email us at wildinfo@state.sd.us.
.jpg "Invasive clams were first discovered in 1938 in Washington State and were possibly imported as a food source at the time. They are widespread throughout freshwater habitats across the United States. Photo By: Sam Stukel")
.jpg "Invasive clams reproduce in large colonies that can clog waterways and pipes. Photo By: Sam Stukel")
