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Active Light Trapping

By Great Lakes Science Center
A dim light is visible deep under water with a blue dip-net and a bowl on the gunwale of a small vessel
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Detailed Description

USGS researchers (GLSC; Millersburg, Michigan) use a light source to attract and capture lake whitefish (Coregonus clupeaformis) at night on Buffalo Reef in Lake Superior. Photo credit: Brad Buechel, USGS-GLSC.

Sources/Usage

Public Domain.

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