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STATUS: COMPATIBLE ⬌ MATRIX CORRELATION INDEX

Can you keep Black Skirt Tetra and Swordtail together?

Algorithmically generated environmental and behavioral compatibility report.

Black Skirt TetraGymnocorymbus ternetzi
mid Layerpeaceful
compatible
SwordtailXiphophorus hellerii
top Layerpeaceful
COMPATIBLE

Algorithmic Assessment

Optimal ecosystem correlation. Both Swordtail and Black Skirt Tetra are peaceful community species. They share overlapping temperature bounds (72-79°F) and safe pH ranges (7.0-7.5).

Scientific Parameter Comparison

Cross-reference water chemistry, temperature range envelopes, and physical dimensions of Black Skirt Tetra and Swordtail.

Parameter MetricBlack Skirt TetraSwordtailCalculated Overlap
Temperature Range70°F – 85°F72°F – 79°F72°F – 79°F
pH Chemistry6.0 – 7.57.0 – 8.07.0 – 7.5
Min. Tank Capacity15 Gallons20 Gallons20 Gallons (Minimum)
Aquatic Strata ZonemidtopSeparated Layers
Adult Size (Max)2.5" (6 cm)4.5" (11 cm)Ratio: 1 : 1.8

✓ Environmental Harmony Assessment

Excellent! Both Black Skirt Tetra and Swordtail are compatible. They occupy different niches and swimming levels (mid vs top) or peacefully share parameters.

⚔️ Do Black Skirt Tetra and Swordtail Fight?

Both Black Skirt Tetra and Swordtail 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 Black Skirt Tetra occupies the mid layer, while the Swordtail 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 Black Skirt Tetra growing to 2.5 inches and Swordtail reaching 4.5 inches. This size balance ensures neither species holds a physical dominance advantage.

Scientific NameGymnocorymbus ternetzi
Min Tank Capacity15G
Aggressionpeaceful
Temp Envelope70°F - 85°F
pH Chemistry6.0 - 7.5
Swordtailtop Layer
Scientific NameXiphophorus hellerii
Min Tank Capacity20G
Aggressionpeaceful
Temp Envelope72°F - 79°F
pH Chemistry7.0 - 8.0

Chemistry & Habitat Analysis

Temp Envelope
72°F - 79°F
Shared temperature bounds.
pH Chemistry
7.0 - 7.5
Shared safe pH bounds.
Combined Min Tank
20 Gallons
Lowest acceptable volume.

Frequently Asked Questions: Black Skirt Tetra & Swordtail Compatibility

Are Black Skirt Tetra and Swordtail good tank mates?

Optimal ecosystem correlation. Both Swordtail and Black Skirt Tetra are peaceful community species. They share overlapping temperature bounds (72-79°F) and safe pH ranges (7.0-7.5).

Can you put Black Skirt Tetra and Swordtail in the same tank together?

Both Black Skirt Tetra and Swordtail 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 Black Skirt Tetra and Swordtail need?

Both species require compatible parameters. Black Skirt Tetra needs a temperature of 70°F to 85°F and a pH of 6.0 to 7.5. Meanwhile, Swordtail needs a temperature of 72°F to 79°F and a pH of 7.0 to 8.0. Shared overlap range: 72°F–79°F temperature and 7.0–7.5 pH overlap.

What is the minimum combined tank volume required to house Black Skirt Tetra and Swordtail?

To successfully house both species together, the minimum baseline capacity is 20 gallons. Because both Black Skirt Tetra and Swordtail are peaceful community species, no extra territorial buffer volume is required.