Aquarium Planner

A beginner-friendly fish guide

Medaka Ricefish

Medaka Ricefish

Oryzias latipes

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

Beginner level 5/5

A good environment

Recommended temperature
16 ~ 26°C
Recommended pH
6.5 ~ 8.2
Preferred water hardness
Medium to hard
Minimum aquarium
38L or more

At a glance

Group
Ricefish
Average adult size
about 4 cm (small)
Minimum tank length
about 45 cm
Activity level
Moderate
Waste level
Low
Lid recommended
Yes
Mature tank preferred
Not required

Temperament & group size

Gentle temperament; Shoaling fish.

For a comfortable group, keep at least 6.

Usually swims in the upper.

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 Medaka Ricefish to my aquarium

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Frequently asked questions

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

Adults average about 4 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 Medaka Ricefish need?

The planner range is 16~26°C and pH 6.5~8.2, with medium to hard.

How many Medaka Ricefish should be kept together?

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

Can Medaka Ricefish live with shrimp?

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

Is Medaka Ricefish a good fish for beginners?

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