Quagga mussel
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The quagga mussel is a species of freshwater mussel, an aquatic bivalve mollusc in the family Dreissenidae. It has a lifespan of 3 to 5 years. It has sometimes been treated as a subspecies of the othe
Dreissena bugensis
Quagga mussels in Lake Michigan sediment sample
Zebra mussel
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The zebra mussel is a small freshwater mussel, an aquatic bivalve mollusc in the family Dreissenidae. The species originates from the lakes of southwestern Russia and southeastern Europe, but has been
Quagga mussel
…accepted as a distinct species. The species is indigenous to the Dnipro River drainage of Ukraine, and is named by analogy with the closely related zebra mussel after the quagga, an extinct subspecies of African zebra, possibly because, like the quagga, its 'zebra stripes' fade out towards the ventral side. The…
Dreissena polymorpha 0265
Right valve
Left valve
Closeup of siphon