This public domain image comes from www.fws.gov/pictures/lineart/bobsavannah/atlanticsalmon.html and as of 2013-10-31 00:27:44 is this file, www.fws.gov/pictures/lineart/bobsavannah/graphics/atlanticsalmon.jpg. .fws.gov
This is a completely free image Atlantic Salmon that you can download, post, and use for any purpose.
Image License: CC0 No Rights Reserved
You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission, and at no cost. This image is completely free.