๐Ÿ  Fish Compatibility Guide

Can Cherry Shrimp and Oscar Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โŒ Not Compatible โ€” Compatibility Score: 18/100
18/100 โ€” Not Compatible

Cherry Shrimp and Oscar Compatibility Overview

Cherry Shrimp and Oscar are generally not recommended to be housed together. Oscars will eat cherry shrimp. The adult size gap creates a meaningful predation risk. Review the behavior and water details before deciding whether to attempt the pairing.

Compatibility factors for Cherry Shrimp and Oscar
FactorCherry ShrimpOscarVerdict
Temperature65โ€“80ยฐF74โ€“81ยฐFโœ… 74โ€“80ยฐF
pH Range6.5โ€“8.06.0โ€“8.0โœ… 6.5โ€“8.0
TemperamentpeacefulaggressiveโŒ Risk
Adult Size0.8 in14 inโŒ 18ร— difference
Min. Group10+1+See below
Min. Tank Size100 gallons (for both species)โ€”

Compatibility Positives

A stable shared temperature range is available.
Their pH requirements overlap.

Incompatibility Reasons

Oscars will eat cherry shrimp.
The adult size gap creates a meaningful predation risk.
Cherry Shrimp is peaceful and Oscar is aggressive. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely.

Species Profiles

Cherry Shrimp โ€” Neocaridina davidi

Bright red freshwater shrimp that are excellent algae cleaners. Very small โ€” at risk from any fish large enough to eat them.

โ†’ Full Cherry Shrimp care guide

Oscar โ€” Astronotus ocellatus

Cherry Shrimp and Oscar compatibility โ€” Oscar

Intelligent but aggressive cichlids that will eat any fish small enough to fit in their mouth. Require large tanks (75+ gallons) and robust tank mates.

โ†’ Full Oscar care guide

Frequently Asked Questions

Can Cherry Shrimp live with Oscar?

Generally not recommended. Cherry Shrimp and Oscar are generally not recommended to be housed together. Oscars will eat cherry shrimp. The adult size gap creates a meaningful predation risk. Review the behavior and water details before deciding whether to attempt the pairing.

What tank size do I need for Cherry Shrimp and Oscar together?

A minimum of 100 gallons is recommended for keeping Cherry Shrimp and Oscar together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Cherry Shrimp and Oscar?

74โ€“80ยฐF โ€” inside Cherry Shrimp's 65โ€“80ยฐF and Oscar's 74โ€“81ยฐF.

Is a Cherry Shrimp aggressive toward a Oscar?

The adult size gap creates a meaningful predation risk.

Related Compatibility Guides

Tank Size for Cherry Shrimp and Oscar

Use the scenario that matches the actual group sizes and temperament you plan to keep.

ScenarioTankWhen it applies
Minimum viable100 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community150 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup220 galBest when keeping larger schools or reducing territorial pressure.