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STATUS: COMPATIBLE ⬌ MATRIX CORRELATION INDEX

Can you keep Cardinal Tetra and Chili Rasbora together?

Algorithmically generated environmental and behavioral compatibility report.

Cardinal TetraParacheirodon axelrodi
mid Layerpeaceful
compatible
Chili RasboraBoraras brigittae
top Layerpeaceful
COMPATIBLE

Algorithmic Assessment

Excellent parameter match. Both Chili Rasbora and Cardinal Tetra are peaceful community species. They share overlapping temperature bounds (73-81°F) and safe pH ranges (5.0-6.2).

Scientific Parameter Comparison

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

Parameter MetricCardinal TetraChili RasboraCalculated Overlap
Temperature Range73°F – 81°F68°F – 82°F73°F – 81°F
pH Chemistry4.6 – 6.25.0 – 6.55.0 – 6.2
Min. Tank Capacity10 Gallons5 Gallons10 Gallons (Minimum)
Aquatic Strata ZonemidtopSeparated Layers
Adult Size (Max)2.0" (5 cm)0.8" (2 cm)Ratio: 1 : 2.7

✓ Environmental Harmony Assessment

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

⚔️ Do Cardinal Tetra and Chili Rasbora Fight?

Both Cardinal Tetra and Chili Rasbora 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 Chili Rasbora occupies the top layer. This separation of swimming zones naturally minimizes direct interactions and reduces competition during feeding times.

📏 Size Difference & Predation Threat

There is a moderate size difference. The Cardinal Tetra (2.0 inches) is noticeably larger than the Chili Rasbora (0.8 inches). While not an immediate predation threat under normal circumstances, ensure the smaller specimens are not small enough to be eaten and have plenty of shelter.

Scientific NameParacheirodon axelrodi
Min Tank Capacity10G
Aggressionpeaceful
Temp Envelope73°F - 81°F
pH Chemistry4.6 - 6.2
Chili Rasboratop Layer
Scientific NameBoraras brigittae
Min Tank Capacity5G
Aggressionpeaceful
Temp Envelope68°F - 82°F
pH Chemistry5.0 - 6.5

Chemistry & Habitat Analysis

Temp Envelope
73°F - 81°F
Shared temperature bounds.
pH Chemistry
5.0 - 6.2
Shared safe pH bounds.
Combined Min Tank
10 Gallons
Lowest acceptable volume.

Frequently Asked Questions: Cardinal Tetra & Chili Rasbora Compatibility

Are Cardinal Tetra and Chili Rasbora good tank mates?

Excellent parameter match. Both Chili Rasbora and Cardinal Tetra are peaceful community species. They share overlapping temperature bounds (73-81°F) and safe pH ranges (5.0-6.2).

Can you put Cardinal Tetra and Chili Rasbora in the same tank together?

Both Cardinal Tetra and Chili Rasbora 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 Chili Rasbora 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, Chili Rasbora needs a temperature of 68°F to 82°F and a pH of 5.0 to 6.5. Shared overlap range: 73°F–81°F temperature and 5.0–6.2 pH overlap.

What is the minimum combined tank volume required to house Cardinal Tetra and Chili Rasbora?

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