Aquarium Planner

A beginner-friendly fish guide

Zebra Danio

Zebra Danio

Danio rerio

Gentle temperament; shoaling fish. Check the planner before choosing tank mates.

Beginner level 5/5

A good environment

Recommended temperature
20 ~ 24°C
Recommended pH
6.5 ~ 7.8
Preferred water hardness
Medium hardness
Minimum aquarium
76L or more

Reference sources list a wider range of 18~25°C and pH 6.0~8.0. The planner uses the narrower range above as a safer starting point for beginners.

At a glance

Group
Danios
Average adult size
about 5 cm (small)
Minimum tank length
about 90 cm
Activity level
Very high
Waste level
Low
Lid recommended
Yes
Mature tank preferred
Not required
Also sold as
Leopard Danio

Temperament & group size

Gentle temperament; Shoaling fish.

For a comfortable group, keep at least 6.

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 Zebra Danio to my aquarium

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Frequently asked questions

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

Adults average about 5 cm, a small species. The planner recommends an aquarium of at least 76 L and about 90 cm long.

What water temperature and pH does Zebra Danio need?

The planner range is 20~24°C and pH 6.5~7.8, with medium hardness. Reference sources list a wider range of 18~25°C and pH 6.0~8.0. The planner uses the narrower range above as a safer starting point for beginners.

How many Zebra Danio should be kept together?

Shoaling fish: keep at least 6. Temperament is gentle.

Can Zebra Danio live with shrimp?

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

Is Zebra Danio a good fish for beginners?

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