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An infestation of zebra mussels has visitors to parts of Lake Winnipeg wading in the invasive species.

Video from a Winnipegger this week shows thousands of mussels on the shores of the lake.

They’re mainly located in between the marina and the main beach.

Mounds of zebra mussels stretched across the shores of Lake Winnipeg Tuesday. Timm Bruch / Global News Winnipeg Beach was covered by scores of zebra mussels Tuesday. Timm Bruch / Global News The usual sandy beach on Lake Winnipeg was buried by zebra mussels May 22. Timm Bruch / Global News

Ira has been a resident of Winnipeg Beach for 25 years. He said on Tuesday that he’s never seen them this bad along his backyard beach.

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“We’re used to pebbles and sea shells and sea glass,” Ira said, “but this is ugly. This is unsightly.

“I’m worried about the lake. I’m worried that we’re going to lose a precious resource: especially for the fishing industry and the recreational industry.” Tweet This

The area in front of Downtown Winnipeg Beach has been largely spared from the invaders, but the water there has been made significantly clearer: a sure sign the mussels are present.

WATCH: Kevin Freeman shared this video, detailing the significant depth of the shells on shore.

0:37 Winnipegger visiting Lake Winnipeg shocked by thousands of mussels found on shore Winnipegger visiting Lake Winnipeg shocked by thousands of mussels found on shore

They carpet areas of the beach, making it next to impossible for residents to walk without shoes or boots due to their sharp edges.

“They tried to clean and monitor the boats coming in from other areas, and they tried some experimentation in the marina,” Ira said. “But it didn’t work.

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“Some of the kids that were swimming were getting cut by the shells.” Tweet This

The species first appeared in the area in 2013. Because they reproduce so quickly, and are transported so easily, there is now little people can do to get rid of them. The community and the province did take steps in previous years to rid the lake of the mussels using liquid potash, but they have still spread rapidly.

They already appear by the thousands on Victoria Beach.

READ MORE: Popular Manitoba campground closed for the season over concerns of zebra mussels

Marine experts warn the species will force out other organisms and native species.

Freeman tweeted out another video showing the vast expanse of shells that had washed onto the beach.

This is not rocks. This is ALL zebra mussels. Four to six inches deep. @SaveLakeWpg pic.twitter.com/MiT0a3VJeP — Kevin Freedman (@MBKev) May 19, 2018

On Tuesday, the mayor of Winnipeg Beach said he is thankful that, as of now, the species hasn’t completely taken over parts of the community’s main beach, like on Victoria Beach.

Comparatively, Winnipeg Beach is still lucky. But zebra mussels are constantly spreading.

“We’re fortunate that in our beach areas we don’t have a lot,” Mayor Tony Pimentel said. “[But] realistically I think we could get to those levels if we have strong winds.

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“We are concerned, but it’s important people understand that with the zebra mussels there’s not much we can do.” Tweet This

Winnipeg Beach mainly falls under the province’s jurisdiction.

Never thought I’d have to say this, but I’m sorry if you can’t hear my voice over all of the zebra mussels. More tonight and tomorrow on @globalwinnipeg. pic.twitter.com/e9QWvXzIAQ — Timm Bruch (@GlobalTimm) May 22, 2018