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STATUS: INCOMPATIBLE ⬌ MATRIX CORRELATION INDEX

Can you keep Chili Rasbora and Dwarf Gourami together?

Algorithmically generated environmental and behavioral compatibility report.

Chili RasboraBoraras brigittae
top Layerpeaceful
✕
incompatible
Dwarf GouramiTrichogaster lalius
top Layersemi-aggressive
INCOMPATIBLE

Algorithmic Assessment

High predation hazard. The size ratio between Dwarf Gourami (3.5") and Chili Rasbora (0.75") exceeds 4:1, and the larger species has a semi-aggressive temperament. The smaller species will likely be hunted or eaten.

Scientific Parameter Comparison

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

Parameter MetricChili RasboraDwarf GouramiCalculated Overlap
Temperature Range68°F – 82°F72°F – 82°F72°F – 82°F
pH Chemistry5.0 – 6.56.0 – 7.56.0 – 6.5
Min. Tank Capacity5 Gallons10 Gallons10 Gallons (Minimum)
Aquatic Strata ZonetoptopShared Zone (Layer Conflict)
Adult Size (Max)0.8" (2 cm)3.5" (9 cm)Ratio: 1 : 4.7

⚠ Physiological Mismatch Report

Our stocking engine calculations indicate that putting these two species in the same tank causes acute physiological strain. Below are the calculated parameters that violate safe cohabitation ranges:

Behavioral & Environmental Compatibility

⚔️ Do Chili Rasbora and Dwarf Gourami Fight?

Environmental or structural requirements between these species clash too heavily to allow cohabitation. High predation hazard. The size ratio between Dwarf Gourami (3.5") and Chili Rasbora (0.75") exceeds 4:1, and the larger species has a semi-aggressive temperament. The smaller species will likely be hunted or eaten.

🍽️ 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. Both species reside in the top layer. Feeding them simultaneously in different corners of the tank is highly recommended to distribute food and prevent any resource competition in their shared vertical zone.

📏 Size Difference & Predation Threat

A major physical size discrepancy exists between these two species. The Dwarf Gourami grows to 3.5 inches, which is over 5 times larger than the Chili Rasbora at only 0.8 inches. There is a high risk of predation, as predatory fish will naturally consume any tank mate that can fit into their mouths.

Safe Tankmate Alternatives for Chili Rasbora

Since the pairing between Chili Rasbora and Dwarf Gourami is flagged as incompatible, here are 3 peaceful community tankmates that share a flawless compatibility profile with Chili Rasbora and match similar water parameters:

Chili Rasboratop Layer
Scientific NameBoraras brigittae
Min Tank Capacity5G
Aggressionpeaceful
Temp Envelope68°F - 82°F
pH Chemistry5.0 - 6.5
Dwarf Gouramitop Layer
Scientific NameTrichogaster lalius
Min Tank Capacity10G
Aggressionsemi-aggressive
Temp Envelope72°F - 82°F
pH Chemistry6.0 - 7.5

Chemistry & Habitat Analysis

Temp Envelope
72°F - 82°F
Shared temperature bounds.
pH Chemistry
6.0 - 6.5
Shared safe pH bounds.
Combined Min Tank
10 Gallons
Lowest acceptable volume.

Frequently Asked Questions

Are Chili Rasbora and Dwarf Gourami good tank mates?

High predation hazard. The size ratio between Dwarf Gourami (3.5") and Chili Rasbora (0.75") exceeds 4:1, and the larger species has a semi-aggressive temperament. The smaller species will likely be hunted or eaten.

Can you put Chili Rasbora and Dwarf Gourami in the same tank together?

Environmental or structural requirements between these species clash too heavily to allow cohabitation. High predation hazard. The size ratio between Dwarf Gourami (3.5") and Chili Rasbora (0.75") exceeds 4:1, and the larger species has a semi-aggressive temperament. The smaller species will likely be hunted or eaten.

What water temperature and pH parameters do Chili Rasbora and Dwarf Gourami need?

Both species require compatible parameters. Chili Rasbora needs a temperature of 68°F to 82°F and a pH of 5.0 to 6.5. Meanwhile, Dwarf Gourami needs a temperature of 72°F to 82°F and a pH of 6.0 to 7.5. Shared overlap range: 72°F–82°F temperature and 6.0–6.5 pH overlap.

What is the minimum combined tank volume required to house Chili Rasbora and Dwarf Gourami?

To successfully house both species together, a baseline of 10 gallons is required. However, because the setup includes territorial behavior from Dwarf Gourami (semi-aggressive), we recommend an adjusted minimum tank volume of at least 20 gallons (adding a 10-gallon safety buffer) to establish separate visual boundaries and minimize stress.

Do Chili Rasbora and Dwarf Gourami occupy the same swimming layer?

Both species predominantly dwell in the top layer. Sharing the exact same vertical zone increases the risk of surface-level space competition and feeding lane crowding. You must ensure you have adequate decorations, hiding spots, and line-of-sight breaks to mitigate friction.