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Compatibility Report

Can Crystal Red Shrimp Live With Scissortail Rasbora?

GuideMyTank compatibility analysis for Crystal Red Shrimp and Scissortail Rasbora.

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

  • Tank size requirements differ moderately.
  • A species needing stable water has only a narrow pH, GH, or KH overlap.
  • Activity level or feeding speed may stress a slow, delicate, or long-finned species.

Supporting factors

  • Temperature ranges overlap well.
  • pH requirements overlap well.
  • Species have similar temperament.
  • Both species have compatible schooling or group behavior.
  • No predation risk detected.
Crystal Red Shrimp profileScissortail Rasbora profileMethodology and limitations

Why This Pair Received Its Verdict

Crystal Red Shrimp and Scissortail Rasbora receive a conditional verdict from the current structured assessment. Crystal Red Shrimp is recorded as peaceful with an aggression level of 1/10; Scissortail Rasbora is recorded as peaceful with an aggression level of 1/10. 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.
  • Species have similar temperament.
  • Both species have compatible schooling or group behavior.

Helpful Links

Use the Compatibility CheckerRead the Compatibility Disclaimer

Water Parameter Overlap

Crystal Red Shrimp has a recorded temperature range of 68–76°F and pH range of 6–7.2. Scissortail Rasbora is recorded at 73–79°F and pH 6–7.5. Their shared planning window is 73–76°F for temperature and 6–7.2 for pH. A shared aquarium must stay inside the overlap rather than merely touching each species’ outer tolerance.

Aquarium Space and Adult Size

Scissortail Rasbora sets the larger listed base aquarium requirement at 30 gallons; the other listed minimum is 5 gallons. Scissortail Rasbora is the larger adult by the recorded maximum, reaching 5.1 inches, compared with 1.2 inches. These figures are starting constraints, not a stocking-capacity calculation, because the complete group sizes and bioload still matter.

Behavior and Social Requirements

Crystal Red Shrimp is a moderate species associated with the bottom zone and moderate flow. Scissortail Rasbora is active, uses the top zone, and has a moderate flow preference. Crystal Red Shrimp should be planned as a group of at least 10, while scissortail rasbora should be planned as a group of at least 6. The aquarium must support both social structures without forcing either species into insufficient space.

Husbandry Fit

Crystal Red Shrimp is recorded as a omnivore with advanced care, while Scissortail Rasbora 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 Crystal Red Shrimp and Scissortail Rasbora; 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 73–76°F.
  • Keep pH within 6–7.2.
  • Use at least the larger 30-gallon base requirement before accounting for the complete stocking plan.
  • Crystal Red Shrimp should be planned as a group of at least 10; scissortail rasbora should be planned as a group of at least 6.
  • 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
  • my-fish.orgcare · medium confidence
  • marinespecies.orgcare · medium confidence
  • thesprucepets.comcare · medium confidence
  • en.wikipedia.orgtaxonomy · medium confidence
  • en.wikipedia.orgtaxonomy · medium confidence
  • en.wikipedia.orgtaxonomy · medium confidence
Read the full methodology and limitations
Report quality
supported
Analysis version
2026.09.1
Species data updated
Sep 29, 2026
Review status
Structured automated assessment

Related Resources

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