poeple who dont eat meat but eat fish are not vegetarian.
they are called Pescetarians ( ive been told)
most veggies eat dairy products (eggs,milk etc) and are called lacto-ovo-vegetarians (bit of a mouthful)
vegans cut out all dairy products and meat.
http://vegetarian.about.com/od/vegetarianvegan101/f/faq_vegtypes.htm