Species profile
Hengeli Rasbora
Trigonostigma hengeli
Peaceful
Easy care
60 L minimum aquarium
2.5–3 cm adult size
Mid–top
Minimum group: 10
About this species
General notes for hobby use.
Small peaceful Glowlight/Hengeli rasbora ideal for planted or blackwater-style communities.
Water parameters
Suggested general range for long-term care.
Temperature
22–28 °C
pH
5–7.5
GH
1–12 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
Mid–top
Territory level
Low
Predation risk
Shrimp fry
Bioload factor
0.5
Tightly shoaling, peaceful and non-territorial. Keep ten or more for confidence and natural display.
Compatibility flags
Quick cautions for common tank-planning issues.
Fin nipper
No
Plant safe
Yes
Shrimp safe
No / caution
Snail safe
Yes
Cave breeder
No
Digs substrate
No
Jump risk
Low
Natural history & care
Research-backed context for long-term aquarium care.
Lifespan
Not yet documented
Diet type
Carnivore
Minimum aquarium volume
60 L
Minimum footprint
60 × 30 cm
Accepted scientific name
Trigonostigma hengeli
Alternative names
Hengeli Rasbora, Glowlight Rasbora, Glowlight Harlequin
Native range
South-east Asia, particularly Sundaic/Indonesian freshwater systems.
Natural habitat
Slow forest waters and blackwater-style habitats. Use wood, plants, subdued lighting and gentle filtration.
Diet & feeding
Small insectivore/micropredator; offer fine prepared foods plus tiny frozen/live invertebrates.
Breeding & sexing
Research-backed guidance for identifying sexes and reproductive behaviour.
Sexing
Mature females are fuller-bodied; males are slimmer and often show stronger orange colour.
Breeding
Deposits adhesive eggs on the undersides of broad plant leaves; adults provide no parental care and may eat eggs.