๐Ÿ  Fish Compatibility Guide

Can Pajama Cardinalfish and Sparkling Gourami Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โŒ Not Compatible โ€” Compatibility Score: 0/100
0/100 โ€” Not Compatible

Pajama Cardinalfish and Sparkling Gourami Compatibility Overview

Pajama Cardinalfish and Sparkling Gourami are generally not recommended to be housed together. One of these is a marine species and the other is not; they cannot share one aquarium. Their pH ranges do not meet: Pajama Cardinalfish wants 8.1โ€“8.4 and Sparkling Gourami wants 5.0โ€“7.5. Review the behavior and water details before deciding whether to attempt the pairing.

Compatibility factors for Pajama Cardinalfish and Sparkling Gourami
FactorPajama CardinalfishSparkling GouramiVerdict
Temperature72โ€“82ยฐF72โ€“82ยฐFโœ… 72โ€“82ยฐF
pH Range8.1โ€“8.45.0โ€“7.5โŒ No overlap
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size3.5 in1.6 inโš ๏ธ 2.2ร— difference
Min. Group3+4+See below
Min. Tank Size40 gallons (for both species)โ€”

Compatibility Positives

A stable shared temperature range is available.
Temperament risk is relatively low when normal group sizes are maintained.

Incompatibility Reasons

One of these is a marine species and the other is not; they cannot share one aquarium.
Their pH ranges do not meet: Pajama Cardinalfish wants 8.1โ€“8.4 and Sparkling Gourami wants 5.0โ€“7.5.

Species Profiles

Pajama Cardinalfish โ€” Sphaeramia nematoptera

Pajama Cardinalfish and Sparkling Gourami compatibility โ€” Pajama Cardinalfish

The Pajama Cardinalfish is a popular, beginner-friendly fish that can add a splash of color to your aquarium. They are generally peaceful and can be kept in a community tank. With moderate activity levels and a preference for undisturbed swimming spaces, they require a well-maintained water quality and a spacious tank.

โ†’ Full Pajama Cardinalfish care guide

Sparkling Gourami โ€” Trichopsis pumila

Pajama Cardinalfish and Sparkling Gourami compatibility โ€” Sparkling Gourami

The Sparkling Gourami is a popular freshwater fish known for its vibrant colors and peaceful nature. It is well-suited for beginners due to its easy care requirements and compatibility with a variety of tank mates. These gouramis thrive in a well-maintained tank with plenty of swimming space and gentle water flow.

โ†’ Full Sparkling Gourami care guide

Frequently Asked Questions

Can Pajama Cardinalfish live with Sparkling Gourami?

Generally not recommended. Pajama Cardinalfish and Sparkling Gourami are generally not recommended to be housed together. One of these is a marine species and the other is not; they cannot share one aquarium. Their pH ranges do not meet: Pajama Cardinalfish wants 8.1โ€“8.4 and Sparkling Gourami wants 5.0โ€“7.5. Review the behavior and water details before deciding whether to attempt the pairing.

What tank size do I need for Pajama Cardinalfish and Sparkling Gourami together?

A minimum of 40 gallons is recommended for keeping Pajama Cardinalfish and Sparkling Gourami together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Pajama Cardinalfish and Sparkling Gourami?

72โ€“82ยฐF โ€” inside Pajama Cardinalfish's 72โ€“82ยฐF and Sparkling Gourami's 72โ€“82ยฐF.

Is a Pajama Cardinalfish aggressive toward a Sparkling Gourami?

Pajama Cardinalfish is peaceful and Sparkling Gourami is peaceful. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Pajama Cardinalfish and Sparkling Gourami

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

ScenarioTankWhen it applies
Minimum viable40 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community55 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup90 galBest when keeping larger schools or reducing territorial pressure.