
Guppy
Poecilia reticulata
Also known as: Millionfish, Rainbow Fish
Guppies are one of the world's most popular aquarium fish, known for their vibrant colors, easy care, and prolific breeding. Males display spectacular tail fins in every color of the rainbow, making them a favorite among beginners and experienced aquarists alike.
Max Size
2.5 inches (6 cm)
Lifespan
2-3 years
Depth
0-3 meters
Water Type
freshwater
Scientific Classification
- Class
- Actinopterygii
- Order
- Cyprinodontiformes
- Family
- Poeciliidae
- Species
- Poecilia reticulata
Habitat & Distribution
Habitat
Distribution
Behavior
Guppies are active, social fish that do best in groups. Males constantly display to females, showing off their colorful tails. They are peaceful but males may harass females if outnumbered.
Reproduction
Guppies are livebearers - females give birth to 20-50 fully formed fry every 4-6 weeks. Fry should be separated or provided hiding spots as adults may eat them.
Aquarium Care Guide
Minimum Tank Size
10 gallons
Care Level
Easy
Temperament
Peaceful
Temperature
72°F - 82°F
Diet
Omnivore - flakes, pellets, live foods
Can Guppy Live With...?
Explore detailed compatibility guides for Guppy with other popular aquarium fish.
Conservation Status
Main Threats
- Minimal - highly adaptable
🎉 Fun Facts
- Females can store sperm for up to 8 months
- They give birth to live young, not eggs
- Guppies were used to control mosquito populations
- There are over 300 varieties of fancy guppies
- They can adapt to both fresh and brackish water


