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: Spotted sucker
Alternative Title: Minytrema melanops
Creator: Raver, Duane
Source: WVDR-40_Raver
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
Description Abstract: Scans of artwork commissioned by the Fish and Wildlife Service in the 1970's. Original art is kept at NCTC museum.
Date Issued: June 18 2002