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Compatibility Report

Can Amano Shrimp Live With Red Tail Shark?

GuideMyTank compatibility analysis for Amano Shrimp and Red Tail Shark.

Planning verdict

incompatible

Not recommended

Do not plan a shared aquarium for this pair. Choose a different tank mate or maintain separate aquariums.

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

Blocking risks

  • One species is not safe with invertebrates.

Conditions and cautions

  • One species may be semi-aggressive and require planning.
  • One species needs a group while the other is solitary or territorial.
  • One species requires a significantly larger aquarium.
  • Territorial footprint and swimming zone overlap require extra space and cover.
  • A schooling or shoaling species conflicts with a solitary territorial tankmate.

Supporting factors

  • Temperature ranges overlap well.
  • pH requirements overlap well.
Amano Shrimp profileRed Tail Shark profileMethodology and limitations

Why This Pair Received Its Verdict

Amano Shrimp and Red Tail Shark receive a not recommended verdict from the current structured assessment. Amano Shrimp is recorded as peaceful with an aggression level of 1/10; Red Tail Shark is recorded as semi-aggressive with an aggression level of 6/10. 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.
  • One species may be semi-aggressive and require planning.
  • One species needs a group while the other is solitary or territorial.

Helpful Links

Use the Compatibility CheckerRead the Compatibility Disclaimer

Water Parameter Overlap

Amano Shrimp has a recorded temperature range of 64–82°F and pH range of 6.5–7.5. Red Tail Shark is recorded at 72–79°F and pH 6.5–7.5. Their shared planning window is 72–79°F for temperature and 6.5–7.5 for pH. A shared aquarium must stay inside the overlap rather than merely touching each species’ outer tolerance.

Aquarium Space and Adult Size

Red Tail Shark sets the larger listed base aquarium requirement at 55 gallons; the other listed minimum is 10 gallons. Red Tail Shark is the larger adult by the recorded maximum, reaching 6 inches, compared with 1.5 inches. These figures are starting constraints, not a stocking-capacity calculation, because the complete group sizes and bioload still matter.

Behavior and Social Requirements

Amano Shrimp is a moderate species associated with the bottom zone and moderate flow. Red Tail Shark is moderate, uses the bottom zone, and has a moderate flow preference. Amano Shrimp should be planned as a group of at least 3, while red tail shark 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

Amano Shrimp is recorded as a omnivore with easy care, while Red Tail Shark is a omnivore with intermediate care. Their listed preferred tank styles are planted and rockwork. 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 Amano Shrimp and Red Tail Shark; 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.
  • A different tank mate is the preferred decision for this pair. Attempting the combination transfers the identified risk to the animals rather than resolving it.

Aquarium Planning Checklist

  • Keep temperature within 72–79°F.
  • Keep pH within 6.5–7.5.
  • Use at least the larger 55-gallon base requirement before accounting for the complete stocking plan.
  • Amano Shrimp should be planned as a group of at least 3; red tail shark does not have a recorded minimum school larger than one.
  • Choose separate aquariums or a different tank mate instead of attempting to manage a known blocking risk.

Final Recommendation

Do not plan a shared aquarium for this pair. Choose a different tank mate or maintain separate aquariums.

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
  • marinespecies.orgcare · medium confidence
  • zooplus.decare · 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
Jul 2, 2026
Review status
Structured automated assessment

Related Resources

Continue with the most relevant care and compatibility resources for Amano Shrimp and Red Tail Shark.

  • Amano Shrimp Care GuideAmano Shrimp are peaceful freshwater shrimp known for their excellent algae-eating ability and active scavenging behavior. Originally from Japan and other parts of East Asia, they are a popular choice for planted and community aquariums because they help clean algae, leftover food, and other organic material from the tank. Amano Shrimp are hardy once established, but they do best in stable, well-maintained water with plenty of plants, hiding places, and surfaces to graze on. Their peaceful nature makes them suitable for many community tanks, provided they are not housed with large or aggressive fish that may see them as food.
  • Plan These Species in Aquarium BuilderAdd livestock and validate tank size, stocking, and compatibility.
  • Amano Shrimp and American Flagfish CompatibilityCompatibility report for Amano Shrimp and American Flagfish.
  • Amano Shrimp and Angelfish CompatibilityCompatibility report for Amano Shrimp and Angelfish.
  • Amano Shrimp and Betta CompatibilityCompatibility report for Amano Shrimp and Betta.