Well known for being one of the most hardy fish available, platies (Xiphophorus) are an awesome choice for your first fish. They come in a wide variety of colours, grow to about 3", and live up to five years. They appreciate a well-planted aquarium, and do well with most other peaceful fish. They are livebearers (just like mollies and guppies) and they will breed often and in great numbers. Ensure that there are far more females than males, so that the females aren't harrassed, and provide hidin