Platinum White Guppy Males are a type of guppy fish, also known as millionfish, that are native to the Caribbean and Northern South America. They are brightly colored, with silver and white bodies with black and red highlights. The males are larger than the females, and their tails are longer, flowing and pointed. The males also have long, flowing fins that can reach up to 6 inches in length. They are a peaceful, hardy species, and are easy to care for in a freshwater aquarium. They are active swimmers and will often school with other peaceful fish.