An old Chinese proverb goes, “If you want to know what water is, don’t ask a fish!” The idea is, a fish has never lived outside its watery world; it’s too close to be objective, taking it for granted.

Water is a big part of our lives. Whether we're swimming in it, washing ourselves off with it or drinking it, human beings need water to survive. The average U.S. adult drinks about 44 ounces of water ...

A farmer feeds his fish with fish meal powder enriched with vitamins and proteins. Photos by Lominda Afedraru. The nutritional and physical characteristic of fish feeds is essential. For nutrition ...