Species profile
Red Laser Rainbowfish
Glossolepis pseudoincisa
Peaceful
Moderate care
200 L minimum aquarium
8–10 cm adult size
Top mid
Minimum group: 6
About this species
General notes for hobby use.
Accepted spelling corrected to Glossolepis pseudoincisa. KH is not inferred from GH; only the sourced upper KH value is retained.
Water parameters
Suggested general range for long-term care.
Temperature
22–28 °C
pH
7–8.5
GH
Not yet documented
KH
Up to 20 dKH
Flow preference
Moderate
Data confidence
Verified
Behaviour
General behaviour traits used by TanksConnected compatibility checks.
Minimum group size
Minimum group: 6
Tank zone
Top mid
Territory level
Low
Predation risk
None
Bioload factor
1.5
Peaceful and active; group of six or more.
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
Not yet documented
Diet type
Omnivore
Minimum aquarium volume
200 L
Minimum footprint
120 × 40 cm
Accepted scientific name
Glossolepis pseudoincisa
Alternative names
Tami River Rainbowfish, Millennium Rainbowfish, Glossolepis pseudoincisus
Native range
Known from an isolated oxbow-lake system near the Tami River, close to Jayapura in Indonesian New Guinea.
Natural habitat
Warm alkaline waters; maintain as an active shoal in a spacious planted aquarium with open swimming room, strong filtration and good oxygenation.
Diet & feeding
Quality dry foods with small frozen/live foods and plant-rich items.
Breeding & sexing
Research-backed guidance for identifying sexes and reproductive behaviour.
Sexing
Adult males are deeper-bodied and develop the strongest red/orange colour.
Breeding
Non-guarding egg scatterer; adhesive eggs are deposited among fine vegetation or spawning mops.