Compatibility brief
Can Mystery Snail live with Pea Puffer?
Risky. This mix is commonly discouraged for typical setups.
Compatibility score
Profile confidence: low
How we decideFishori checks adult size and predation risk, behaviour, water requirements and tank needs before giving a verdict.
40L
Combined minimum footprint reference for these two species: about 40L (larger active fish often want more length).
Pea Puffer eats snails. Mystery Snail would be hunted, not housed.
Temperament gap (peaceful vs semi-aggressive) adds stress on top of the hard incompatibility — space and cover do not make this pairing safe.
Assessment details
Known incompatible pairing
Top issuePea puffers nip at mystery snail antennae and eyestalks until the snail seals itself permanently. The snail starves over weeks behind a closed operculum.
Pea Puffer eats snails
Pea Puffer preys on aquarium snails — Mystery Snail will be hunted, not cohabited. Do not mix a valued snail with this species.
Compatible temperature range
Both fish can comfortably share similar water temperatures.
“Pea puffers nip at mystery snail antennae and eyestalks until…”
Known incompatible pairing
Next steps
Concrete changes, not "research more" filler.
- •Pea Puffer should be kept in a group of at least 6 for best health and behaviour.
Try instead
- →Build a species-only tank for the larger fish, or restock with fish too large to be eaten at adult sizes.
- Aquarium Co-Op. Mystery Snail Care Guide
Primary: retailer care guide on tank size, calcium needs, breeding clutches, and the bridgesii-vs-canaliculata distinction.
- Applesnail.net. Pomacea bridgesii
Secondary: long-running hobby reference for apple snail biology, breeding, and species ID; useful for telling bridgesii from canaliculata.
- 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 Mystery Snail + 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: medium. Driven by the lower-confidence profile (Mystery Snail): Typical care sources — trade names for this fish get mixed up, so verify the ID before you buy.

