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Guppy
Least ConcernAquarium Suitable

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

StreamsPondsBrackish water

Distribution

South AmericaCaribbeanNow worldwide

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

Least ConcernPopulation trend: stable

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

Data Sources

Last updated: 1/15/2024