How does farming herbivorous fish and shellfish actually increase the world protein supply? Thankfully there are some forms of aquaculture that create a net gain of protein and help alleviate the ...

Over a span of 4000 years the Chinese have perfected the practice of pond poly-culture, a method of growing freshwater fish like carp that are herbivorous (they feed on plant-based foods ...

Evolution has resulted in the development of both herbivores and carnivores—but how? What type of food did extinct vertebrates eat? And how can we gain insight into the diets of these creatures?