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STATUS: COMPATIBLE ⬌ MATRIX CORRELATION INDEX

Can you keep Black Skirt Tetra and Fancy Goldfish together?

Algorithmically generated environmental and behavioral compatibility report.

Black Skirt TetraGymnocorymbus ternetzi
mid Layerpeaceful
compatible
Fancy GoldfishCarassius auratus
mid Layerpeaceful
COMPATIBLE

Algorithmic Assessment

Optimal ecosystem correlation. Both Fancy Goldfish and Black Skirt Tetra are peaceful community species. They share overlapping temperature bounds (70-75°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 Fancy Goldfish.

Parameter MetricBlack Skirt TetraFancy GoldfishCalculated Overlap
Temperature Range70°F – 85°F65°F – 75°F70°F – 75°F
pH Chemistry6.0 – 7.57.0 – 8.07.0 – 7.5
Min. Tank Capacity15 Gallons30 Gallons30 Gallons (Minimum)
Aquatic Strata ZonemidmidShared Zone (Layer Conflict)
Adult Size (Max)2.5" (6 cm)6.0" (15 cm)Ratio: 1 : 2.4

✓ Environmental Harmony Assessment

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

⚔️ Do Black Skirt Tetra and Fancy Goldfish Fight?

Both Black Skirt Tetra and Fancy Goldfish 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. Both species reside in the mid 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

There is a moderate size difference. The Fancy Goldfish (6.0 inches) is noticeably larger than the Black Skirt Tetra (2.5 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 NameGymnocorymbus ternetzi
Min Tank Capacity15G
Aggressionpeaceful
Temp Envelope70°F - 85°F
pH Chemistry6.0 - 7.5
Scientific NameCarassius auratus
Min Tank Capacity30G
Aggressionpeaceful
Temp Envelope65°F - 75°F
pH Chemistry7.0 - 8.0

Chemistry & Habitat Analysis

Temp Envelope
70°F - 75°F
Shared temperature bounds.
pH Chemistry
7.0 - 7.5
Shared safe pH bounds.
Combined Min Tank
30 Gallons
Lowest acceptable volume.

Frequently Asked Questions: Black Skirt Tetra & Fancy Goldfish Compatibility

Are Black Skirt Tetra and Fancy Goldfish good tank mates?

Optimal ecosystem correlation. Both Fancy Goldfish and Black Skirt Tetra are peaceful community species. They share overlapping temperature bounds (70-75°F) and safe pH ranges (7.0-7.5).

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

Both Black Skirt Tetra and Fancy Goldfish 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 Fancy Goldfish 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, Fancy Goldfish needs a temperature of 65°F to 75°F and a pH of 7.0 to 8.0. Shared overlap range: 70°F–75°F temperature and 7.0–7.5 pH overlap.

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

To successfully house both species together, the minimum baseline capacity is 30 gallons. Because both Black Skirt Tetra and Fancy Goldfish are peaceful community species, no extra territorial buffer volume is required.