Back in 1845, when Henry David Thoreau first moved to Massachusetts' Walden Pond to confront the essential facts of life, one such encounter involved chain pickerel. The philosopher got all gushy ...

Alongside the chain pickerel, it has been predating and outcompeting native species. This is a common occurrence for invasive species of all types.

Thornton Jackson, left, and his 8-year-old son Shane, both of Waldorf, fight to land a chain pickerel during the Heroes on the Water kayaking event Saturday at St. Mary’s River State Park in ...

According to a news release, the impacted fish include creek chubsucker, chain pickerel, largemouth bass and sunfish, after samples were collected from the Chickahominy River and White Oak swamp.

Alongside the chain pickerel, it has been predating and outcompeting native species. This is a common occurrence for invasive species of all types.