Aquatic biology studies organisms that are found in the seas and oceans as well as freshwater regions. Diversity among organisms that are found underwater range from microorganisms, fungi and algae to fish, marine mammals and marine birds. Aquatic regions include the oceans, shorelines, coral reefs, lakes, rivers, estuaries, etc. The topics included in this book on aquatic biology are of utmost significance and are bound to provide incredible insights to readers. This book attempts to assist those with a goal of delving into the field of aquatic biology.