Chilli Rosy Barb (Pethia conchonius)

Family: Cyprinidae

Chilli Rosy Barb — a Cyprinidae from Oceania. Reaches 10.5–15.4 cm; keep at 18–22 °C.

Care parameters

Water temperature
18–22 °C
pH
6–8
GH hardness
5–19 dGH
Adult length
10.5–15.4 cm
Minimum tank
285 L
Water layer
Bottom-dwelling
Difficulty
Moderate
Temperament
Mostly peaceful; some species nip fins
Origin
Oceania

Species overview

Pethia conchonius, a member of the family Cyprinidae, comes from Oceania, where it inhabits clear streams and rivers over gravel. Mostly peaceful; some species nip fins and omnivore; prepared foods with regular vegetable matter, it grows to 10.5–15.4 cm and adapts well to a properly set-up aquarium in the 18–22 °C range. Other Pethia species in our database include Pethia atra, Pethia cumingii, Pethia didi.

Native biotope

Habitat
Clear streams and rivers over gravel
Flow
Moderate, well-oxygenated current
Dissolved O₂
Appreciates well-oxygenated water

Aquascape & hardware

Substrate
Fine gravel and sand
Hardscape
Water-worn stones and driftwood
Plants
Hardy rooted plants along the margins

Temperament, diet & tankmates

Schooling
Shoaling; keep in groups of 6 or more
Diet
Omnivore; prepared foods with regular vegetable matter
Recommended tankmates
  • Similar-sized peaceful community fish — Similar size and water needs
Avoid keeping with
  • Much smaller fish — May outcompete or bully tiny tankmates

Breeding & notes

Sexual dimorphism
Males often slimmer and more colourful
Breeding method
Egg-scatterer; no parental care

Frequently asked questions

Is Chilli Rosy Barb easy to keep?

Difficulty: moderate. Mostly peaceful; some species nip fins. Shoaling; keep in groups of 6 or more.

What temperature and water chemistry does Chilli Rosy Barb need?

Aim for 18–22 °C. Room temperature to heated, depending on origin; 18–22 °C recorded range.

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

Expect 10.5–15.4 cm as an adult, living bottom-dwelling. A 285 L tank or larger gives it room.

What does Chilli Rosy Barb eat?

Omnivore; prepared foods with regular vegetable matter. Feed two small meals a day rather than one large one.

Can Chilli Rosy Barb live with other fish?

Yes, with care. Mostly peaceful; some species nip fins — pair it with Similar-sized peaceful community fish — Similar size and water needs and skip Much smaller fish — May outcompete or bully tiny tankmates.

Where does Chilli Rosy Barb come from?

Its home waters are Oceania — clear streams and rivers over gravel, with moderate, well-oxygenated current.

Does Chilli Rosy Barb jump?

Not a noted jumper — a standard cover still keeps dust and spray in.

How does Chilli Rosy Barb breed?

In the aquarium: egg-scatterer; no parental care. Males often slimmer and more colourful.