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Video by Christopher Gaylord
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Pacific lamprey returns eclipsing other years
U.S. Army Corps of Engineers, Portland District
July 13, 2021 | 1:52
Pacific lampreys pass through Bonneville Lock & Dam using fish ladders and special ramp-like lamprey passage structures (seen here through viewing windows at the Bradford Island Visitor’s Center). This video is from various visits in the summer of 2021.
Pacific lampreys belong to a primitive group of fishes that are eel-like in form but lack the jaws and paired fins of true fishes. Pacific lampreys have a round sucker-like mouth, no scales and gill openings. Identification of lampreys depends largely on the number, structure and position of teeth found in adult lamprey.
(USACE videos by Kerry Solan and Chris Gaylord)
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fish
Columbia
Columbia River
Bonneville Dam
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Pacific Lamprey
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