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STATUS: COMPATIBLE ⬌ MATRIX CORRELATION INDEX

Can you keep Cardinal Tetra and Croaking Gourami together?

Algorithmically generated environmental and behavioral compatibility report.

Cardinal TetraParacheirodon axelrodi
mid Layerpeaceful
compatible
Croaking GouramiTrichopsis vittata
top Layerpeaceful
COMPATIBLE

Algorithmic Assessment

Impeccable water parameter intersection. Both Cardinal Tetra and Croaking Gourami are peaceful community species. They share overlapping temperature bounds (76-81°F) and safe pH ranges (6.0-6.2).

Scientific Parameter Comparison

Cross-reference water chemistry, temperature range envelopes, and physical dimensions of Cardinal Tetra and Croaking Gourami.

Parameter MetricCardinal TetraCroaking GouramiCalculated Overlap
Temperature Range73°F – 81°F76°F – 82°F76°F – 81°F
pH Chemistry4.6 – 6.26.0 – 7.56.0 – 6.2
Min. Tank Capacity10 Gallons10 Gallons10 Gallons (Minimum)
Aquatic Strata ZonemidtopSeparated Layers
Adult Size (Max)2.0" (5 cm)3.0" (8 cm)Ratio: 1 : 1.5

✓ Environmental Harmony Assessment

Excellent! Both Cardinal Tetra and Croaking Gourami are compatible. They occupy different niches and swimming levels (mid vs top) or peacefully share parameters.

⚔️ Do Cardinal Tetra and Croaking Gourami Fight?

Both Cardinal Tetra and Croaking Gourami are peaceful community species. They share similar behavioral temperaments, resulting in a harmonious environment with virtually no risk of territorial fighting or harassment.

🍽️ Swimming Layers & Feeding Competition

To satisfy their dietary requirements, offer a varied feeding schedule. Sinking pellets or wafers are ideal for bottom dwellers, while floating flakes or micro-granules support mid and top dwellers. The Cardinal Tetra occupies the mid layer, while the Croaking Gourami occupies the top layer. This separation of swimming zones naturally minimizes direct interactions and reduces competition during feeding times.

📏 Size Difference & Predation Threat

Both species are closely matched in physical dimensions, with Cardinal Tetra growing to 2.0 inches and Croaking Gourami reaching 3.0 inches. This size balance ensures neither species holds a physical dominance advantage.

Scientific NameParacheirodon axelrodi
Min Tank Capacity10G
Aggressionpeaceful
Temp Envelope73°F - 81°F
pH Chemistry4.6 - 6.2
Scientific NameTrichopsis vittata
Min Tank Capacity10G
Aggressionpeaceful
Temp Envelope76°F - 82°F
pH Chemistry6.0 - 7.5

Chemistry & Habitat Analysis

Temp Envelope
76°F - 81°F
Shared temperature bounds.
pH Chemistry
6.0 - 6.2
Shared safe pH bounds.
Combined Min Tank
10 Gallons
Lowest acceptable volume.

Frequently Asked Questions: Cardinal Tetra & Croaking Gourami Compatibility

Are Cardinal Tetra and Croaking Gourami good tank mates?

Impeccable water parameter intersection. Both Cardinal Tetra and Croaking Gourami are peaceful community species. They share overlapping temperature bounds (76-81°F) and safe pH ranges (6.0-6.2).

Can you put Cardinal Tetra and Croaking Gourami in the same tank together?

Both Cardinal Tetra and Croaking Gourami are peaceful community species. They share similar behavioral temperaments, resulting in a harmonious environment with virtually no risk of territorial fighting or harassment.

What water temperature and pH parameters do Cardinal Tetra and Croaking Gourami need?

Both species require compatible parameters. Cardinal Tetra needs a temperature of 73°F to 81°F and a pH of 4.6 to 6.2. Meanwhile, Croaking Gourami needs a temperature of 76°F to 82°F and a pH of 6.0 to 7.5. Shared overlap range: 76°F–81°F temperature and 6.0–6.2 pH overlap.

What is the minimum combined tank volume required to house Cardinal Tetra and Croaking Gourami?

To successfully house both species together, the minimum baseline capacity is 10 gallons. Because both Cardinal Tetra and Croaking Gourami are peaceful community species, no extra territorial buffer volume is required.