Pethia ornatus

Family: Cyprinidae

Pethia ornatus — a Cyprinidae freshwater fish. Reaches 3.2–4.7 cm; keep at 22–26 °C.

Care parameters

Water temperature
22–26 °C
pH
6–7
GH hardness
5–19 dGH
Adult length
3.2–4.7 cm
Minimum tank
27 L
Water layer
Bottom-dwelling
Difficulty
Moderate
Temperament
Mostly peaceful; some species nip fins

Species overview

Pethia ornatus of the family Cyprinidae is an aquarium-kept Cyprinidae. Mostly peaceful; some species nip fins and omnivore; prepared foods with regular vegetable matter, it grows to 3.2–4.7 cm and prefers 22–26 °C water. Other Pethia species in our database include Pethia atra, Pethia conchonius, Pethia cumingii.

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 Pethia ornatus easy to keep?

A moderate-level species: mostly peaceful; some species nip fins; stable water matters more than fancy equipment.

What temperature and water chemistry does Pethia ornatus need?

Hold 22–26 °C and keep it stable — 22.0–26.0 °C typical for the genus. Room temperature to heated, depending on origin.

How big does Pethia ornatus get, and what tank size?

Expect 3.2–4.7 cm as an adult, living bottom-dwelling. A 27 L tank or larger gives it room.

What does Pethia ornatus eat?

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

Can Pethia ornatus live with other fish?

Mostly peaceful; some species nip fins. Recommended tankmates: Similar-sized peaceful community fish — Similar size and water needs. Avoid Much smaller fish — May outcompete or bully tiny tankmates.

Where does Pethia ornatus come from?

Found in clear streams and rivers over gravel; expect moderate, well-oxygenated current and appreciates well-oxygenated water.

Does Pethia ornatus jump?

Low escape risk, but a lid is cheap insurance.

How does Pethia ornatus breed?

Egg-scatterer; no parental care. Males often slimmer and more colourful.