Compatibility brief
Can Neon Tetra live with Rainbow cichlid?
Caution. Check the issues below before buying.
Compatibility score
Profile confidence: medium
How we decideFishori checks adult size and predation risk, behaviour, water requirements and tank needs before giving a verdict.
200L
Combined minimum footprint reference for these two species: about 200L (larger active fish often want more length).
Assessment details
Compatible temperaments
Both Neon Tetra and Rainbow cichlid share a peaceful temperament.
Compatible temperature range
Both fish can comfortably share similar water temperatures.
Narrow pH overlap
Top issueThese fish can share water but their ideal pH ranges overlap only slightly. Aim to keep pH stable in the shared range.
Hardness preference mismatch
Neon Tetra prefers soft water and Rainbow cichlid prefers hard water. One of them lives outside its comfort band long-term — pick the tank's water for the more sensitive species.
“These fish can share water but their ideal pH ranges overlap…”
Narrow pH overlap
Next steps
Concrete changes, not "research more" filler.
- •Neon Tetra should be kept in a group of at least 6 for best health and behaviour.
- Seriously Fish. Paracheirodon innesi
Supports: aquarium size, water chemistry, temperament and compatibility (primary care reference).
- FishBase. Paracheirodon innesi
Supports: taxonomy and wild maximum size — translate to tank stocking, not a target number.
- Wikipedia. Paracheirodon innesi
Supports: general species background and common-name orientation only.
- Seriously Fish. Herotilapia multispinosa
Primary: aquarium size, water chemistry, behaviour, and compatibility (URL verified in upgrade script; recheck if site content changes).
- FishBase. Herotilapia multispinosa
Secondary: taxonomy, distribution, and maximum length in nature; cross-check with aquarium import lines and measured tank parameters.
- Wikipedia. Herotilapia multispinosa
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 Neon Tetra + Rainbow cichlid
Plan further
Check each species’ mates list, size the glass, then verify the full stock in the builder. 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: high. Checked against several solid care sources that mostly agree.