Conservation

Spiny Waterflea

Spiny Waterflea

Spiny waterfleas (Bythotrephes longimanus) are typically found in areas of deep, cold, open water. In Vermont, spiny waterfleas are currently found in Lake Champlain.

Asian Clam

Asian Clam

Asian Clams (Corbicula fluminea) prefer sand or fine gravel substrates in lakes and rivers that contain high levels of oxygen. In Vermont, Asian clams are currently only found in Lake Bomoseen.

Alewife

Alewife

In their native range, alewives (Alosa pseudoharengus) are a saltwater fish that swim up freshwater rivers and streams to spawn. Landlocked populations are able to complete their entire life cycle in freshwater and are usually considered invasive. Alewives are found in deep, open waters except during spawning season when they move to shallower waters in bays and tributaries. In Vermont, alewives are established in Lake Champlain and Lake St. Catherine.

Aquatic Invasive Animals

Use LIEP to learn more about common aquatic invasive animal species found in Vermont waters. 

Aquatic invasive animal species impact Vermont's ecosystems and recreational opportunities. These species can harm native animal populations and limit fishing and boating activities. However, there are many steps you can take to prevent the spread of these species and protect Vermont's waters. 

Water Chestnut

European Water Chestnut

European water chestnut grows in slow-moving, nutrient-rich rivers and lakes and can grow in shallow waters to depths of 16 ft. In Vermont, water chestnut has been found in southern Lake Champlain and its tributaries, Mississquoi Bay, Lake Bomoseen, and several other lakes and ponds throughout the state.

Starry Stonewort

Starry Stonewort

Starry stonewort (Nitellopsis obtusa) can be found in slow moving rivers, lakes and ponds at depths of 3 to 95 ft. It prefers waters that are relatively high in calcium and phosphorus. In Vermont, starry stonewort is documented in Lake Memphremagog and Lake Derby.

European Frogbit

European Frogbit

European frogbit (Hydrocharis morsus-ranae) prefers calcium-rich, quiet waters such as marshes, swamps, ponds, slow-moving rivers and lakes, sheltered inlets and bays, and ditches. In Vermont, frogbit has been documented in southern Lake Champlain, Shelburne Pond, the Winooski River delta, the islands region of Lake Champlain, and Mississquoi Bay.

Eurasian Watermilfoil

Eurasian Watermilfoil

Eurasian watermilfoil (Myriophyllum spicatum) tolerates a variety of conditions; it can grow in fresh or brackish waters, a range of temperatures and soil pHs, and disturbed and polluted areas. It is typically found in ponds, lakes, and slow-moving rivers at depths of 3 to 33 ft. In Vermont, Eurasian watermilfoil is widespread throughout Lake Champlain and the state in general with populations documented in more than 80 waterbodies.

Aquatic Invasive Plants

Eurasian Watermilfoil

Use LIEP to learn more about common aquatic invasive plant species found in Vermont waters.  

Aquatic invasive plant species impact Vermont's ecosystems and recreational opportunities. These species can reduce native aquatic plant diversity and abundance and inhibit boating and swimming. However, there are many steps you can take to prevent the spread of these species and protect Vermont's waters. 

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Vermont Department of Fish & Wildlife
Commissioner Louis Porter

1 National Life Drive
Fish & Wildlife LogoDewey Building
Montpelier, VT 05620-3208
802-828-1000
fwinformation@vermont.gov

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