Occasionally used to describe those who abstain from eating all meat and animal flesh with the exception of fish. Although the word is not commonly used and a pescatarian is not technically a vegetarian, more and more people are adopting this kind of diet, usually for health reasons or as a stepping stone to a fully vegetarian diet. Pescetarians often believe that moderate consumption of fish or fish oils, which are high in Omega-3 fatty acids, is necessary for optimum health, although vegetarian alternatives, such as flax seed oil, are available.
In simple terms pescatarian means a vegetarian who includes fish in his diet!!!
Be a pescatarian as from now! 😛