Michael Durham Photography

Pacific Lamprey (Lampetra tridentata)

A single Pacific Lamprey (Lampetra tridentata) is mixed in with white sturgeon (Acipenser transmontanus) and steelhead (Oncorhynchus mykiss) as they are washed down a fish ladder while it is drained. They will be placed back in into the river by Army Corp Of Engineers staff. John Day Dam on the Columbia River.

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Filename: Pacific_Lamprey_Lampetra_tridentata_111609JDm-54.jpg
Copyright: Michael Durham
Image Size: 5900x3933 / 7.8MB; www.DurmPhoto.com; Acipenser transmontanus Lampetra tridentata Oncorhynchus mykiss Pacific Lamprey columbia river fish fish ladder john day dam steelhead white sturgeon
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A single Pacific Lamprey (Lampetra tridentata) is mixed in with white sturgeon (Acipenser transmontanus) and steelhead (Oncorhynchus mykiss) as they are washed down a fish ladder while it is drained. They will be placed back in into the river by Army Corp Of Engineers staff. John Day Dam on the Columbia River.