Goldfish is an astonishing creature and comes in diverse colours, shapes and sizes; a goldfish can be Fantail, Black Moor, Lionhead or Bubble Eyed and so on. They are the most popular type of ornamental fish the world over. Considered an intelligent animal, goldfish generally live up to 10 to 15 years of age. And with proper care they can go on to live up to 30 years.