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STATUS: COMPATIBLE ⬌ MATRIX CORRELATION INDEX

Can you keep Clown Loach and Harlequin Rasbora together?

Algorithmically generated environmental and behavioral compatibility report.

Clown LoachChromobotia macracanthus
bottom Layerpeaceful
compatible
Harlequin RasboraTrigonostigma heteromorpha
mid Layerpeaceful
COMPATIBLE

Algorithmic Assessment

Optimal ecosystem correlation. Both Harlequin Rasbora and Clown Loach are peaceful community species. They share overlapping temperature bounds (75-80°F) and safe pH ranges (6.0-6.8).

Scientific Parameter Comparison

Cross-reference water chemistry, temperature range envelopes, and physical dimensions of Clown Loach and Harlequin Rasbora.

Parameter MetricClown LoachHarlequin RasboraCalculated Overlap
Temperature Range75°F – 86°F73°F – 80°F75°F – 80°F
pH Chemistry6.0 – 7.56.0 – 6.86.0 – 6.8
Min. Tank Capacity75 Gallons10 Gallons75 Gallons (Minimum)
Aquatic Strata ZonebottommidSeparated Layers
Adult Size (Max)12.0" (30 cm)1.8" (4 cm)Ratio: 1 : 6.9

✓ Environmental Harmony Assessment

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

⚔️ Do Clown Loach and Harlequin Rasbora Fight?

Both Clown Loach and Harlequin 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 Clown Loach occupies the bottom layer, while the Harlequin Rasbora occupies the mid 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 7 times larger than the Harlequin Rasbora at only 1.8 inches. There is a high risk of predation, as predatory fish will naturally consume any tank mate that can fit into their mouths.

Clown Loachbottom Layer
Scientific NameChromobotia macracanthus
Min Tank Capacity75G
Aggressionpeaceful
Temp Envelope75°F - 86°F
pH Chemistry6.0 - 7.5
Scientific NameTrigonostigma heteromorpha
Min Tank Capacity10G
Aggressionpeaceful
Temp Envelope73°F - 80°F
pH Chemistry6.0 - 6.8

Chemistry & Habitat Analysis

Temp Envelope
75°F - 80°F
Shared temperature bounds.
pH Chemistry
6.0 - 6.8
Shared safe pH bounds.
Combined Min Tank
75 Gallons
Lowest acceptable volume.

Frequently Asked Questions: Clown Loach & Harlequin Rasbora Compatibility

Are Clown Loach and Harlequin Rasbora good tank mates?

Optimal ecosystem correlation. Both Harlequin Rasbora and Clown Loach are peaceful community species. They share overlapping temperature bounds (75-80°F) and safe pH ranges (6.0-6.8).

Can you put Clown Loach and Harlequin Rasbora in the same tank together?

Both Clown Loach and Harlequin 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 Clown Loach and Harlequin Rasbora need?

Both species require compatible parameters. Clown Loach needs a temperature of 75°F to 86°F and a pH of 6.0 to 7.5. Meanwhile, Harlequin Rasbora needs a temperature of 73°F to 80°F and a pH of 6.0 to 6.8. Shared overlap range: 75°F–80°F temperature and 6.0–6.8 pH overlap.

What is the minimum combined tank volume required to house Clown Loach and Harlequin Rasbora?

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