Aquarium Planner

A beginner-friendly fish guide

Celestial Pearl Danio

Celestial Pearl Danio

Danio margaritatus

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

Beginner level 4/5

A good environment

Recommended temperature
21 ~ 25°C
Recommended pH
6.6 ~ 7.4
Preferred water hardness
Medium hardness
Minimum aquarium
41L or more

Reference sources list a wider range of 20~26°C and pH 6.5~7.5. The planner uses the narrower range above as a safer starting point for beginners.

At a glance

Group
Danios
Average adult size
about 2.1 cm (nano)
Minimum tank length
about 45 cm
Activity level
Moderate
Waste level
Low
Lid recommended
Not required
Mature tank preferred
Not required

Temperament & group size

Gentle temperament; Shoaling fish.

For a comfortable group, keep at least 6.

Usually swims in the middle & bottom.

Tank-mate notes

Adult shrimp may do well with hiding places, though individual fish vary.

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

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

Add Celestial Pearl Danio to my aquarium

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Frequently asked questions

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

Adults average about 2.1 cm, a nano species. The planner recommends an aquarium of at least 41 L and about 45 cm long.

What water temperature and pH does Celestial Pearl Danio need?

The planner range is 21~25°C and pH 6.6~7.4, with medium hardness. Reference sources list a wider range of 20~26°C and pH 6.5~7.5. The planner uses the narrower range above as a safer starting point for beginners.

How many Celestial Pearl Danio should be kept together?

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

Can Celestial Pearl Danio live with shrimp?

Adult shrimp: usually fine. Baby shrimp: not recommended.

Is Celestial Pearl Danio a good fish for beginners?

Beginner level 4/5. Activity: moderate; waste: low.