Black-lined Barb (Systomus pleurotaenia)

Family: Cyprinidae

Black-lined Barb — a Cyprinidae freshwater fish. Reaches 12–17.6 cm; keep at 22–26 °C.

Care parameters

Water temperature
22–26 °C
pH
6.5–7.5
GH hardness
1–18 dGH
Adult length
12–17.6 cm
Minimum tank
372 L
Water layer
Bottom-dwelling
Difficulty
Moderate
Temperament
Mostly peaceful; some species nip fins

Species overview

Systomus pleurotaenia 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 12–17.6 cm and prefers 22–26 °C water. Other Systomus species in our database include Systomus asoka, Systomus barbatus, Systomus clavatus.

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 Black-lined Barb easy to keep?

Intermediate difficulty. Mostly peaceful; some species nip fins; shoaling; keep in groups of 6 or more.

What temperature and water chemistry does Black-lined Barb need?

Aim for 22–26 °C. Room temperature to heated, depending on origin; 22–26 °C recorded range.

How big does Black-lined Barb get, and what tank size?

Expect 12–17.6 cm as an adult, living bottom-dwelling. A 372 L tank or larger gives it room.

What does Black-lined Barb eat?

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

Can Black-lined 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 Black-lined Barb come from?

It lives in clear streams and rivers over gravel. Moderate, well-oxygenated current; Appreciates well-oxygenated water.

Does Black-lined Barb jump?

Jumping is not a known issue; cover the tank anyway during water changes.

How does Black-lined Barb breed?

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