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Compatibility Report

Can Peter's Elephantnose Fish Live With Three Spot Gourami?

GuideMyTank compatibility analysis for Peter's Elephantnose Fish and Three Spot Gourami.

Planning verdict

caution

Conditional

Only plan this pair if every listed condition can be met, and have a separation plan if stress or aggression appears.

Data confidence
high
Assessment source
Structured data model
Data completeness
100%

Blocking risks

No automatic safety blocker was found.

Conditions and cautions

  • Both species may show territorial behavior.
  • Tank size requirements differ moderately.
  • Two non-peaceful species require cautious stocking, sufficient space, and close behavior monitoring.
  • Solitary aggressive species usually need carefully planned tankmates, if any.

Supporting factors

  • Temperature ranges overlap well.
  • pH requirements overlap well.
  • Social requirements align.
  • No predation risk detected.
Peter's Elephantnose Fish profileThree Spot Gourami profileMethodology and limitations

Why This Pair Received Its Verdict

Peter's Elephantnose Fish and Three Spot Gourami receive a conditional verdict from the current structured assessment. Peter's Elephantnose Fish is recorded as semi-aggressive with an aggression level of 4/10; Three Spot Gourami is recorded as semi-aggressive with an aggression level of 5/10. The recommendation is based on the combined water, space, behavior, grouping, and predation checks below rather than on species names alone.

  • Temperature ranges overlap well.
  • pH requirements overlap well.
  • Both species may show territorial behavior.
  • Social requirements align.

Helpful Links

Use the Compatibility CheckerRead the Compatibility Disclaimer

Water Parameter Overlap

Peter's Elephantnose Fish has a recorded temperature range of 73–82°F and pH range of 6.8–7.2. Three Spot Gourami is recorded at 74–82°F and pH 6–8. Their shared planning window is 74–82°F for temperature and 6.8–7.2 for pH. A shared aquarium must stay inside the overlap rather than merely touching each species’ outer tolerance.

Aquarium Space and Adult Size

Peter's Elephantnose Fish sets the larger listed base aquarium requirement at 55 gallons; the other listed minimum is 30 gallons. Peter's Elephantnose Fish is the larger adult by the recorded maximum, reaching 9 inches, compared with 6 inches. These figures are starting constraints, not a stocking-capacity calculation, because the complete group sizes and bioload still matter.

Behavior and Social Requirements

Peter's Elephantnose Fish is a calm species associated with the bottom zone and low flow. Three Spot Gourami is moderate, uses the top zone, and has a low flow preference. Peter's Elephantnose Fish does not have a recorded minimum school larger than one, while three spot gourami does not have a recorded minimum school larger than one. The aquarium must support both social structures without forcing either species into insufficient space.

Husbandry Fit

Peter's Elephantnose Fish is recorded as a carnivore with advanced care, while Three Spot Gourami is a omnivore with easy care. Their listed preferred tank styles are planted and planted. Feeding access, cover, open swimming room, filtration, and observation should be planned around the more demanding requirement rather than averaged between the two species.

What Would Change the Decision?

Use these pair-specific boundaries before treating the verdict as an acceptable stocking plan.

  • Do not proceed unless one stable temperature and pH range can be maintained for both Peter's Elephantnose Fish and Three Spot Gourami; acclimation does not correct an incompatible long-term range.
  • Treat size, predation, and fin-damage warnings as stop conditions. Extra plants cannot reliably make an unsafe predator-to-prey or fin-target pairing safe.
  • Use broken sight lines and multiple retreats, then separate the pair if either species shows persistent chasing, hiding, clamped fins, or loss of feeding access.
  • Recalculate space using the full adult group sizes—not one specimen of each species—and reject the plan if either species must be understocked socially to fit.
  • Prepare a cycled backup or separation option before introduction; individual behavior can be less predictable than species-level records.

Aquarium Planning Checklist

  • Keep temperature within 74–82°F.
  • Keep pH within 6.8–7.2.
  • Use at least the larger 55-gallon base requirement before accounting for the complete stocking plan.
  • Peter's Elephantnose Fish does not have a recorded minimum school larger than one; three spot gourami does not have a recorded minimum school larger than one.
  • Provide a separation plan and monitor feeding, stress, chasing, damaged fins, and access to preferred habitat zones.

Final Recommendation

Only plan this pair if every listed condition can be met, and have a separation plan if stress or aggression appears.

Sources and Data Provenance

These references support the underlying species records used by this assessment. They do not necessarily evaluate this exact pair together.

  • fishbase.secare · medium confidence
  • fishbase.secare · medium confidence
  • thesprucepets.comcare · medium confidence
  • en.wikipedia.orgtaxonomy · medium confidence
  • en.wikipedia.orgtaxonomy · medium confidence
  • es.wikipedia.orgtaxonomy · medium confidence
Read the full methodology and limitations
Report quality
supported
Analysis version
2026.09.1
Species data updated
Jul 2, 2026
Review status
Structured automated assessment

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