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Invasive Species: Zebra Mussels Now In Texas

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Zebra mussels are an invasive species in the US. They first arrived in 1988 on European ships ballast. Lack of predators against the zebra mussels gave them the ability to infest eastern US waterways from the start. When they arrived here they increased competition for native aquatic species. They attach to our boats and are hard to see because they are only about an inch long. Zebra mussels spread faster than bunny rabbits- they multiply by producing about one million larvae per one single zebra mussel. Texas should be worried about their lakes because as you can see in the graph, they’ve now spread down here. According to texasinvasives.org, “Zebra mussels can cause tremendous environmental and economic damage – hurting aquatic life, damaging your boat, hindering water recreation and even threatening your water supply.” Find out about if zebra mussel are in our area here.

So what can you do? Firstly, you can spread awareness. Many people don’t know what invasive species are. Spreading awareness brings attention to people like Dan Molloy, a researcher who is trying to find a “natural killer” to eradicate the pests. You can find more information about his research here in this short article. You can also go on outings to help get rid of the zebra mussels.

Zebra mussels attach to many parts of your boat and clean thrive for days. To make sure they aren’t attached to your boat, clean all parts of, drain it completely, and dry the boat for at least a week before entering into a new body of water.

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