TankFish · Beginner-friendly
Harlequin Rasbora
Trigonostigma heteromorpha
- Care level
- easy
- Temperament
- peaceful
- Diet
- Omnivore — flake, micro-pellet food
- Minimum tank size
- 10 gallon
- Adult size
- 2 in
- Lifespan
- 5-8 years
- Schooling minimum
- 8+
- Temperature
- 72-81°F
- pH
- 6.0-7.5
- Hardness
- Soft to moderate
Example species record for template validation — pending Phase 1 scientific-source citation before publication.
Compatible tankmates
Compatible
Guppy
Similar water needs and peaceful temperament make this a common colorful community mix.
CompatibleOtocinclus
No overlap in swim zone or diet — a low-risk community pairing.
CompatibleNeon Tetra
Two peaceful mid-water schooling species that occupy the same zone without competing aggressively — a common mixed-shoal community pairing.