Compatibility brief
Can Opaline gourami live with Pea Puffer?
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.
150L
Combined minimum footprint reference for these two species: about 150L (larger active fish often want more length).
Pea Puffer is a fin nipper and Opaline gourami is vulnerable to nipping — long fins are a common target even when water parameters match.
Assessment details
Compatible temperaments
Both Opaline gourami and Pea Puffer share a semi-aggressive temperament.
Fin nipping risk
Top issuePea Puffer is a known fin nipper and Opaline gourami has long, flowing fins. Pea Puffer will likely harass Opaline gourami.
Compatible temperature range
Both fish can comfortably share similar water temperatures.
“Pea Puffer is a known fin nipper and Opaline gourami has…”
Fin nipping risk
Next steps
Concrete changes, not "research more" filler.
- •Avoid keeping Pea Puffer with long-finned fish like Opaline gourami.
- •Pea Puffer should be kept in a group of at least 6 for best health and behaviour.
- Seriously Fish. Trichopodus trichopterus
Primary: aquarium size, water chemistry, behaviour, and compatibility (URL verified in upgrade script; recheck if site content changes).
- FishBase. Trichopodus trichopterus
Secondary: taxonomy, distribution, and maximum length in nature; cross-check with aquarium import lines and measured tank parameters.
- Wikipedia. Trichopodus trichopterus
Secondary: general species context; verify all husbandry numbers against a dedicated aquarium care sheet and your test kit, not a single table row.
- Seriously Fish. Carinotetraodon travancoricus
Primary: aquarium size, water chemistry, behaviour, and compatibility (URL verified in upgrade script; recheck if site content changes).
- FishBase. Carinotetraodon travancoricus
Secondary: taxonomy, distribution, and maximum length in nature; cross-check with aquarium import lines and measured tank parameters.
- Wikipedia. Carinotetraodon travancoricus
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 Opaline gourami + Pea Puffer
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.