
Rasboras, danios, and barbs
Somphongsi Rasbora
Trigonostigma somphongsi
Photo: Lerdsuwa · CC BY-SA 3.0 · Wikimedia Commons
Key facts
- Temperature24–28 °C
- pH5.5–7
- Minimum tank40 l
- Adult size3 cm
- Difficulty★★★☆☆
- Lives in a groupof 10 or more
- TemperamentPeaceful
- WaterFresh
Full profile
- Family
- Danionidae
- Origin
- Thailand (Mae Klong River basin)
- Size
- 3 cm
- Temperature
- 24 – 28°C
- pH
- 5.5 – 7.0
- GH
- 1 – 10 °dGH
- Difficulty
- ★★★☆☆
- Water type
- tropical freshwater
- Swimming level
- middle
- Behavior
- peaceful
- Minimum number of individuals
- 10
- Minimum aquarium size
- 40 L
- Diet
- omnivore (fine food)
- Reproduction
- oviparous; lays eggs under leaves
Notes: The smallest and rarest of the harlequin rasboras, with a thin black line on a pink background. Virtually extinct in the wild.





