A beginner-friendly fish guide

Guppy

Guppy

Poecilia reticulata

Gentle temperament; social. Check the planner before choosing tank mates.

Beginner level 5/5

A good environment

Recommended temperature
23 ~ 27°C
Recommended pH
7.2 ~ 8.2
Preferred water hardness
Medium hardness
Minimum aquarium
38L or more

Reference sources list a wider range of 17~28°C and pH 7.0~8.5. The planner uses the narrower range above as a safer starting point for beginners.

At a glance

Group
Livebearers
Average adult size
about 6 cm (small)
Minimum tank length
about 45 cm
Activity level
High
Waste level
Moderate
Lid recommended
Yes
Mature tank preferred
Not required

Temperament & group size

Gentle temperament; Social.

For a comfortable group, keep at least 3.

Usually swims in the upper & middle.

Tank-mate notes

Adult shrimp may be attacked; take care with shrimp tank mates.

Baby shrimp may be eaten. A separate breeding tank is safer.

Check each combination carefully, especially when size or temperament differs.

Add Guppy to my aquarium

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Frequently asked questions

How big does Guppy get, and what tank size does it need?

Adults average about 6 cm, a small species. The planner recommends an aquarium of at least 38 L and about 45 cm long.

What water temperature and pH does Guppy need?

The planner range is 23~27°C and pH 7.2~8.2, with medium hardness. Reference sources list a wider range of 17~28°C and pH 7.0~8.5. The planner uses the narrower range above as a safer starting point for beginners.

How many Guppy should be kept together?

Social: keep at least 3. Temperament is gentle.

Can Guppy live with shrimp?

Adult shrimp: use caution. Baby shrimp: not recommended.

Is Guppy a good fish for beginners?

Beginner level 5/5. A lid is recommended. Activity: high; waste: moderate.