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STATUS: COMPATIBLE ⬌ MATRIX CORRELATION INDEX

Can you keep Cardinal Tetra and Clown Loach together?

Algorithmically generated environmental and behavioral compatibility report.

Cardinal TetraParacheirodon axelrodi
mid Layerpeaceful
compatible
Clown LoachChromobotia macracanthus
bottom Layerpeaceful
COMPATIBLE

Algorithmic Assessment

Impeccable water parameter intersection. Both Clown Loach and Cardinal Tetra are peaceful community species. They share overlapping temperature bounds (75-81°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 Clown Loach.

Parameter MetricCardinal TetraClown LoachCalculated Overlap
Temperature Range73°F – 81°F75°F – 86°F75°F – 81°F
pH Chemistry4.6 – 6.26.0 – 7.56.0 – 6.2
Min. Tank Capacity10 Gallons75 Gallons75 Gallons (Minimum)
Aquatic Strata ZonemidbottomSeparated Layers
Adult Size (Max)2.0" (5 cm)12.0" (30 cm)Ratio: 1 : 6.0

✓ Environmental Harmony Assessment

Excellent! Both Cardinal Tetra and Clown Loach are compatible. They occupy different niches and swimming levels (mid vs bottom) or peacefully share parameters.

⚔️ Do Cardinal Tetra and Clown Loach Fight?

Both Cardinal Tetra and Clown Loach 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 Clown Loach occupies the bottom layer. This separation of swimming zones naturally minimizes direct interactions and reduces competition during feeding times.

📏 Size Difference & Predation Threat

A major physical size discrepancy exists between these two species. The Clown Loach grows to 12.0 inches, which is over 6 times larger than the Cardinal Tetra at only 2.0 inches. There is a high risk of predation, as predatory fish will naturally consume any tank mate that can fit into their mouths.

Scientific NameParacheirodon axelrodi
Min Tank Capacity10G
Aggressionpeaceful
Temp Envelope73°F - 81°F
pH Chemistry4.6 - 6.2
Clown Loachbottom Layer
Scientific NameChromobotia macracanthus
Min Tank Capacity75G
Aggressionpeaceful
Temp Envelope75°F - 86°F
pH Chemistry6.0 - 7.5

Chemistry & Habitat Analysis

Temp Envelope
75°F - 81°F
Shared temperature bounds.
pH Chemistry
6.0 - 6.2
Shared safe pH bounds.
Combined Min Tank
75 Gallons
Lowest acceptable volume.

Frequently Asked Questions: Cardinal Tetra & Clown Loach Compatibility

Are Cardinal Tetra and Clown Loach good tank mates?

Impeccable water parameter intersection. Both Clown Loach and Cardinal Tetra are peaceful community species. They share overlapping temperature bounds (75-81°F) and safe pH ranges (6.0-6.2).

Can you put Cardinal Tetra and Clown Loach in the same tank together?

Both Cardinal Tetra and Clown Loach 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 Clown Loach 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, Clown Loach needs a temperature of 75°F to 86°F and a pH of 6.0 to 7.5. Shared overlap range: 75°F–81°F temperature and 6.0–6.2 pH overlap.

What is the minimum combined tank volume required to house Cardinal Tetra and Clown Loach?

To successfully house both species together, the minimum baseline capacity is 75 gallons. Because both Cardinal Tetra and Clown Loach are peaceful community species, no extra territorial buffer volume is required.