The guppy, also known as the millionfish or rainbow fish, is a member of the family Poeciliidae and, akin to most New World members of the family, is considered a livebearer. Male guppies, which are smaller than females, have ornamental caudal and dorsal fins Guppies grow to 1.5–7 cm, prefer pH 7.0-8.0, and thrive in 72-82°F (22-28°C) water, while their omnivorous diet consists of algae, insect larvae, and aquarium foods. Males are smaller than females, and a healthy diet includes both plant-based and protein-rich options.
Scientific name: Poecilia reticulata
Class: Actinopterygii
Family: Poeciliidae
Genus: Poecilia
Kingdom: Animalia
Order: Cyprinodontiformes