Compatibility brief
Can Celebes Rainbowfish live with Dwarf Gourami?
Often a workable match in a suitable, well-run tank. Still verify behaviour in your setup.
In many setups, Celebes Rainbowfish and Dwarf Gourami are often kept together in a suitable peaceful community when temperature and pH are matched and the tank is sized for adults. Individual behaviour, filtration, and layout still decide whether it works in your home.
Compatibility score
Profile confidence: medium
Order of checkstank volume vs adults → predation mouth gap → temperament / fin nipping → shared water windows.
80L
Combined minimum footprint reference for these two species: about 80L (larger active fish often want more length).
Assessment details
Compatible temperaments
Both Celebes Rainbowfish and Dwarf Gourami share a peaceful temperament.
Compatible temperature range
Both fish can comfortably share similar water temperatures.
Next steps
Concrete changes, not "research more" filler.
- •Celebes Rainbowfish should be kept in a group of at least 6 for best health and behaviour.
Try instead
- →Celebes Rainbowfish should be kept in a group of at least 6 for best health and behaviour.
- Seriously Fish. Marosatherina ladigesi
Primary: species page on Sulawesi limestone-stream origin (which explains the hard alkaline water requirement) and the extended-fin display in males.
- Practical Fishkeeping. Celebes Rainbowfish Profile
Secondary: editor coverage of stocking, water chemistry, and the colour development that needs months of stable water.
- Seriously Fish. Trichogaster lalius
Primary: aquarium size, water chemistry, behaviour, and compatibility (URL verified in upgrade script; recheck if site content changes).
- FishBase. Trichogaster lalius
Secondary: taxonomy, distribution, and maximum length in nature; cross-check with aquarium import lines and measured tank parameters.
- Wikipedia. Trichogaster lalius
Secondary: general species context; verify all husbandry numbers against a dedicated aquarium care sheet and your test kit, not a single table row.
Try this next
Build the full stocking list with Celebes Rainbowfish + Dwarf Gourami
Plan further
Try both species in the full-stock tank check, or open either fish profile for mates lists. Methodology explains how verdicts are produced.
Individual fish vary in personality. Fishori uses conservative hobby rules. Observe any new introduction closely, feed thoughtfully, and keep a quarantine or backup plan. This is not veterinary advice.
Profile data confidence: medium. Driven by the lower-confidence profile (Celebes Rainbowfish): Based on typical aquarium care sources; details may vary between setups.

