The product is a set of two pairs (four Endlers) of livebearing fish, specifically two male and two female endlers. These fish are ideal for freshwater aquariums with tropical water temperatures, making them suitable for beginner aquarists due to their peaceful temperament. Additionally, since they are livebearers, they do not require additional accessories such as filters or heaters to reproduce, making them a convenient choice for those looking to start a small aquarium with relatively low maintenance requirements. The fish are bred in the United States, providing a reliable source for these popular and easy-to-care-for pets.