Species profile
Red Line Rasbora
Trigonopoma pauciperforatum
Peaceful
Easy care
90 L minimum aquarium
4–6 cm adult size
Top mid
Minimum group: 10
About this species
General notes for hobby use.
Accepted name is Trigonopoma pauciperforatum; retain Rasbora pauciperforata as the long-used synonym and trade-search alias.
Water parameters
Suggested general range for long-term care.
Temperature
23–27 °C
pH
5–7
GH
2–12 dGH
KH
Not yet documented
Flow preference
Low
Data confidence
Verified
Behaviour
General behaviour traits used by TanksConnected compatibility checks.
Minimum group size
Minimum group: 10
Tank zone
Top mid
Territory level
None
Predation risk
Tiny fry
Bioload factor
0.5
Peaceful shoaling cyprinid. A larger group shows the red lateral stripe well and reduces nervousness.
Compatibility flags
Quick cautions for common tank-planning issues.
Fin nipper
No
Plant safe
Yes
Shrimp safe
Yes
Snail safe
Yes
Cave breeder
No
Digs substrate
No
Jump risk
Yes
Natural history & care
Research-backed context for long-term aquarium care.
Lifespan
4–6 years
Diet type
Omnivore
Minimum aquarium volume
90 L
Minimum footprint
80 × 30 cm
Accepted scientific name
Trigonopoma pauciperforatum
Alternative names
Rasbora pauciperforata, Redstripe Rasbora, Glowlight Rasbora, Red Line Rasbora
Native range
Sundaland and parts of mainland Southeast Asia in peat/forest-stream systems.
Natural habitat
Shaded forest streams and peat-influenced waters with leaf litter, soft acidic water and gentle flow.
Diet & feeding
Small insects, crustaceans and zooplankton; accepts fine dry foods supplemented with frozen/live microfoods.
Breeding & sexing
Research-backed guidance for identifying sexes and reproductive behaviour.
Sexing
Females are fuller-bodied, particularly when ripe; males remain slimmer and may show stronger colour.
Breeding
Egg-scattering cyprinid with no parental care; adults may consume eggs.