And with more than 250 species to choose from, you&;re bound to find one that&;s right for you. Coexisting with a turtle or tortoise may not be a warm and fuzzy experience, but it definitely has its rewards. Looks-wise, they can range from very plain and unadorned to a brightly colored and embellished with every manner of crest, crown, spike, and dewlap. As for personality, you&;d be amazed at how very different they can be, ranging from shy and withdrawn, to outgoing and friendly, to outright aggressive.