Radio tracking tagged Chinook salmon.

SkillBridge intern Matthew Harrison on raft with radio telemetry tracking gear. River in foreground and background. Trees and skyline in the background.

Photo By/Credit

Dan Spencer/USFWS

Date Shot/Created

10/28/2026

Media Usage Rights/License

Public Domain

Image

Matt Harrison preparing to raft and radio track Chinook salmon down a stretch of the Nisqually River in Western Washington.

Facility

Western Washington Fish and Wildlife Conservation Office

Ecosystem

River/stream

Species

Oncorhynchus tshawytscha

Subject tags

Careers

Fish migration

Internship programs

Radio telemetry

You are exiting the U.S. Fish and Wildlife Service website

You are being directed to . The page will open in a new window.

We do not guarantee that the websites we link to comply with Section 508 (accessibility requirements) of the Rehabilitation Act. Links also do not constitute endorsement, recommendation or favoring by the U.S. Fish and Wildlife Service.

Click 'I understand' to proceed. Click Cancel to stay on the FWS website.

I understand, please proceed.