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In a new study, scientists created a top 10 list of the worst invasive species in the Great Lakes. The team of scientists from Michigan Sea Grant, the National Oceanic and Atmospheric ...
The zebra mussel (Dreissena polymorpha) is a small freshwater mussel, an aquatic bivalve mollusk in the family Dreissenidae.The species originates from the lakes of southern Russia and Ukraine, [3] but has been accidentally introduced to numerous other areas and has become an invasive species in many countries worldwide.
Native Great Lakes mussel coated with zebra mussels. Another example of the migration of non-native species is Dreissena polymorpha, common name Zebra Mussel, originating in Western Asia. [5] They first appeared in North America in 1988 in Lake St Clair and have spread through the Great Lakes and other fresh waters.
In 2008, the threat of quagga mussels being introduced at Lake Casitas and Westlake Lake in California from recreational boating resulted in the lakes' banning the use of outside boats. [22] As of March 2008, other lakes such as Castaic and Lake Cachuma are considering similar bans. In June 2008, the mussels were confirmed in Lake Granby, Colorado.
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Freshwater bivalve species vary greatly in size. Some pea clams (genus Pisidium) have an adult size of only 3 mm (0.12 in). In contrast, one of the largest species of freshwater bivalves is the swan mussel from the family Unionidae; it can grow to a length of 20 cm (7.9 in), and usually lives in lakes or slow-flowing rivers.
Wildlife officials across the Great Lakes are looking for spies to take on an almost impossible mission: stop the spread of invasive carp. Over the last five years, agencies such as the U.S. Fish ...
In the Great Lakes region the sea lamprey is an invasive species. In its original habitat, it had co-evolved as a parasite that did not kill its host. However, in the Great Lakes Region, it acts as a predator and can consume up to 40 pounds of fish in its 12–18 month feeding period. [116]