A beginner-friendly fish guide

Rosy Barb

Rosy Barb

Pethia conchonius

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

Beginner level 4/5

A good environment

Recommended temperature
18 ~ 23°C
Recommended pH
6.3 ~ 7.8
Preferred water hardness
Medium hardness
Minimum aquarium
90L or more

Reference sources list a wider range of 16~24°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
Barbs
Average adult size
about 10 cm (medium)
Minimum tank length
about 100 cm
Activity level
High
Waste level
Moderate
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 Rosy Barb to my aquarium

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Frequently asked questions

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

Adults average about 10 cm, a medium species. The planner recommends an aquarium of at least 90 L and about 100 cm long.

What water temperature and pH does Rosy Barb need?

The planner range is 18~23°C and pH 6.3~7.8, with medium hardness. Reference sources list a wider range of 16~24°C and pH 6.0~8.0. The planner uses the narrower range above as a safer starting point for beginners.

How many Rosy Barb should be kept together?

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

Can Rosy Barb live with shrimp?

Adult shrimp: not recommended. Baby shrimp: not recommended.

Is Rosy Barb a good fish for beginners?

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