From the U.S. Fish and Wildlife Service's online digital media library.
Check http://images.fws.gov/ for higher quality version, and http://www.fws.gov/help/policies.html for copyright information.

Metadata
Title: King Salmon
Alternative Title: Oncorhynchus nerka
Creator: Hines, Robert W.
Source: WV-King Salmon-Hines2
Publisher: U.S. Fish and Wildlife Service
Contributor: NATIONAL CONSERVATION TRAINING CENTER-PUBLICATIONS AND TRAINING MATERIALS
Language: EN - ENGLISH
Rights: (public domain)
Audience: (general)
Subject: artwork, fish
Date Issued: October 18 2002