Download or read book Salmon Migration written by Kari Schuetz and published by Blastoff! Readers. This book was released on 2018-08 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: "During their travels from oceans to rivers, salmon undergo many changes! Their gills change so they can breath in changing waters, and their scales transform from a shining silver to a darker hue so others know they are ready to spawn. Readers will be swimming in information and special features in this adventurous book on salmon migration."