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Guppy (Poecilia reticulata)
Photo: Per Harald Olsen · CC BY 3.0 via Wikimedia Commons

Guppy

Poecilia reticulata · Poeciliidae

Also known as Fancy guppy, Million fish

Beginner

Colourful livebearer that breeds relentlessly; prefers harder, alkaline water.

Minimum tank
40 L
Temperature
22–28 °C
pH
7–8.5
Adult size
5 cm
Group size
3+
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Care requirements
Minimum tank volume
40 L
Temperature
22–28 °C
pH
7–8.5
Hardness
8–25 dGH
Lifespan
1–3 years
Diet
Omnivore — flake, micro pellets, occasional vegetable matter.
Care level
Beginner
Origin & habitat
Native region
Northern South America and Caribbean (now worldwide)
Water type
Freshwater
Biotope
Warm, hard, shallow streams and ditches
Natural conditions
Hard, alkaline, warm water with heavy plant cover.
Behaviour & stocking
Temperament
Peaceful
Minimum group
3 fish
Swims
Top
Good tank mates
Corydoras
Platy
Otocinclus
Nerite snail
Avoid
Tiger barb
Betta
Fin-nipping tetras
Breeding & difficulty
Breeding difficulty
Beginner
Sexing
Males are small with a gonopodium and large colourful tail.
Notes
Livebearer — a female drops 20–50 fry every month without any help.
Common ailments
Fin rot
Columnaris
Inbred weak stock

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