Aquarium Planner

A beginner-friendly fish guide

Emerald Dwarf Rasbora

Emerald Dwarf Rasbora

Danio erythromicron

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

Beginner level 4/5

A good environment

Recommended temperature
20 ~ 24°C
Recommended pH
7.0 ~ 8.0
Preferred water hardness
Medium to hard
Minimum aquarium
41L or more

At a glance

Group
Danios
Average adult size
about 3 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 8.

Usually swims in the 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 Emerald Dwarf Rasbora to my aquarium

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Frequently asked questions

How big does Emerald Dwarf Rasbora get, and what tank size does it need?

Adults average about 3 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 Emerald Dwarf Rasbora need?

The planner range is 20~24°C and pH 7.0~8.0, with medium to hard.

How many Emerald Dwarf Rasbora should be kept together?

Shoaling fish: keep at least 8. Temperament is gentle.

Can Emerald Dwarf Rasbora live with shrimp?

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

Is Emerald Dwarf Rasbora a good fish for beginners?

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