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PNNL began developing its Juvenile Salmon Acoustic Telemetry System in 2001 to track fish movement through and along Pacific Northwest dams. Shown here are the system’s acoustic tags, which are inserted into fish and have progressively gotten smaller, lighter and more precise in their ability to record fish movement. The second tag from the bottom is the latest version, called an InjectaTagTM, which was released in 2015 and is PNNL’s first tag to be small enough to be injected with a syringe. The bottom tag is a Passive Integrated Transponder (PIT) tag.

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Document Title: Fish-tracking tags
Category: Marine Science, Wildlife and Environmental Studies
Media Type: Photos
Date of Image/Photo: June 24, 2015
Background: Juvenile Salmon Acoustic Telemetry System website: http://jsats.pnnl.gov/
URL of this page: http://picturethis.pnl.gov/picturet.nsf/by+id/DRAE-9ZT_NJ

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