Fin's Fish Guide
The Guppy (Poecilia reticulata) is a freshwater fish of the family Poeciliidae that grows up to 5 cm.
Description
The guppy (Poecilia reticulata) is one of the best-known aquarium fishes in the world, a small livebearing freshwater fish of the family Poeciliidae, native to northern South America. The species shows strong sexual dimorphism: males are only a few centimetres but very colourful with a fan-shaped tail, while the larger females are plain grey. Guppies live in very diverse waters, from turbid ditches to clear mountain streams, and reproduce rapidly by internal fertilisation and bearing live young. They eat mosquito larvae, small invertebrates and algae. They have been introduced worldwide, often to control mosquitoes.
Frequently asked questions
How do you recognise the Guppy?
The Guppy has a torpedo-shaped body, is mainly multicoloured and shows a spots pattern. Strong sexual dimorphism; colourful males, ovoviviparous and introduced worldwide.
Where does the Guppy live?
The Guppy lives in fresh water and is mostly found around mixed bottom. Fresh water of the north of South America and Trinidad.
How big does the Guppy get?
The Guppy grows to a maximum of about 5 cm. On average the species is around 3 cm.
Is the Guppy dangerous to humans?
No, the Guppy is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.
Is the Guppy edible?
The Guppy is not usually eaten.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Poecilia
More from the family Poeciliidae
Want the complete picture on the Guppy?
Point your camera at the fish and Fin names the species in seconds. Free, and the Guppy is one of 12,519 species in the app.
Or scan with your phone