fish-tank › fish species
Harlequin Rasbora (Trigonostigma heteromorpha)
Tolerant tetra-alternative; easier than neons in moderately hard tap water.
Specifications
- ecosystem
- freshwater
- min tank gallons
- 20
- adult size in
- 1.75
- temperature range f
- 72-81
- ph range
- 6.0-7.5
- gh range dgh
- 2-12
- care difficulty
- beginner
- aggression
- peaceful
- community compatible
- yes
- schooling min count
- 6
- diet
- omnivore
- lifespan years
- 5-8
- tank zone
- middle
Sources
- Aquarium Co-Op video / blog content · ingest 2026-05-06
- Practical Fishkeeping public articles · ingest 2026-05-06
- r/Aquariums + r/PlantedTank + r/ReefTank public threads · ingest 2026-05-06