Aquarium reference · species
Harlequin rasbora
Trigonostigma heteromorpha
At a glance
Aquarium reference
- Listed under
- Cyprinids
- Source collections
- Freshwater & brackish
Aquarium care and planning
Keep a school of six or more. Planning ranges center on the source’s 76°F and pH 7.2 targets; they are not biological tolerance limits.
- Temperature
- 74–78 °F
- pH
- 6.8–7.4
- Water hardness
- Soft
- Planning tank size
- At least 10 US gallons and 20 inches long
- Planning group
- 6 fish
Tank and group thresholds are editorial planning guidelines. They do not establish biological capacity or guarantee compatibility. Check the source and the needs of your particular fish before stocking.
Read the Aquarium Co-Op care guide · Check tankmates · Plan stocking
Further reading
Reference sources
Care notes above come from the site's sourced freshwater planning catalog. The links below document the names and source collections.