Lake Erie Zebra Mussels
Zebra mussels mature in a year and release their larvae into the water to develop.
Lake erie zebra mussels. Like typical invasive species because zebra mussels have no natural predators they outcompete native species for resources. Zebra mussels were first discovered in the u s. The shell has a rounded carina and a convex ventral side. The two species are strikingly similar in appearance and it takes a trained eye to tell the two apart.
Lake erie had a serious downturn in the 1980s and a lot of people gave it up for dead. The result is a storm of zebra mussels rapidly reproducing and spreading throughout the great lakes wherever the water takes them. The zebra mussel dreissena polymorpha is a small freshwater mussel the species was originally native to the lakes of southern russia and ukraine but has been accidentally introduced to numerous other areas and has become an invasive species in many countries worldwide. The first established population was discovered in 1988 at lake st.
Some people think the zebra mussel turned that around. A native mussel can take 3 to 5 years to mature and they take a while to reproduce because they are parasitic. The quagga mussel shell is generally black yellow and or zig zagged. The quagga has a rounded bottom a slightly curved nose and.
The quagga mussel resembles the zebra mussel just as its namesake quagga resembles the zebra. Snyder district extension specialist ohio sea grant college program. The classic zebra mussel is flat along the bottom and symmetrical when stood up. Zebra mussels do a great job at filtering pollution out of the water.
In the late 1980s. But the most ominous mussel development of 1989 made no headlines. Hot on the heels of the famous zebra quagga mussels were first found in 1989 along lake erie. Clair which straddles the border between the u s.
Zebra mussels dreissena polymorpha were almost unheard of by lake erie shoreline residents until 1989. The problem with zebra mussels. However a large range of shell morphologies is seen including a distinct morph in lake erie that is pale or completely white. Zebra mussels also can kill native u s.
Mussels by attaching to their shells. And canada and which connects to lake erie and lake huron. Researchers on lake erie found what appeared at first to be a slightly different version of the zebra mussel. But now that it s been turned around and lake.
This was due to the large amounts of pollutants that were feeding huge growths of algae and other plants as you can see there are still many negative effects on lake erie and all the great lakes from the zebra mussel. Since the 1980s the species has invaded the great lakes hudson river and lake travis. Clair briefly jumped to five times what it used to be. Zebra mussels can survive 3 to 5 days out of water.
The invasion and its implications. It was they would learn two years later the quagga mussel named after a subspecies of actual zebras that went extinct in the 1800s. Zebra mussels in lake erie.