Researchers successfully breed ancient endangered fish found only in Nova Scotia

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Researchers successfully breed ancient endangered fish found only in Nova Scotia
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After decades of being endangered and on the brink of becoming extinct, there’s new hope for the Atlantic whitefish, a species that is unique to Nova Scotia, with researchers out of Dalhousie University successfully producing 2,200 juvenile fish.

Paul Bentzen, a professor at Dalhousie University, and Aquatron Manager John Batt started conservation efforts four years ago, in 2018.“This is the first step to showing that we can put together the tools to produce more fish. It’s a long road from here with their main habitat being invaded by aliens,” he said.

According to Batt, the chain pickerel and smallmouth bass fish are just some of the many invasive threats rural lakes in Nova Scotia have become heavily populated with. These fish are known for outcompeting native species like the Atlantic whitefish, which dates back 14 million years and exists only in a rural Nova Scotia watershed.Article content

The conversation around the recovery plan for the Atlantic whitefish is one all levels of government are taking seriously. Strategies include increasing the number/range of viable populations and strengthening provincial regulations to reduce the spread of non-native species.Photo by Danny Abriel/Dalhousie University

“With the introduction of invasive species, it’s really an uphill battle now,” said Batt. “The chain pickerel are ferocious predators; they’ll eat anything they can get ahold of.”Bentzen said that Atlantic whitefish don’t stand a chance without intervention.

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