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STATUS: INCOMPATIBLE ⬌ MATRIX CORRELATION INDEX

Can you keep Black Skirt Tetra and Male Betta Fish together?

Algorithmically generated environmental and behavioral compatibility report.

Black Skirt TetraGymnocorymbus ternetzi
mid Layerpeaceful
incompatible
Male Betta FishBetta splendens
top Layeraggressive
INCOMPATIBLE

Algorithmic Assessment

Aggression incompatibility. Male Betta Fish is an aggressive/territorial species. Peaceful or community fish like Black Skirt Tetra cannot be housed with highly territorial fish safely.

Scientific Parameter Comparison

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

Parameter MetricBlack Skirt TetraMale Betta FishCalculated Overlap
Temperature Range70°F – 85°F75°F – 80°F75°F – 80°F
pH Chemistry6.0 – 7.56.5 – 7.56.5 – 7.5
Min. Tank Capacity15 Gallons5 Gallons15 Gallons (Minimum)
Aquatic Strata ZonemidtopSeparated Layers
Adult Size (Max)2.5" (6 cm)2.5" (6 cm)Ratio: 1 : 1.0

⚠ 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:

⚔️ Do Black Skirt Tetra and Male Betta Fish Fight?

Behavioral analysis indicates a severe compatibility clash. The Male Betta Fish is known for highly territorial and aggressive behaviors. In a shared environment, it is highly likely to harass, injure, or stress the more peaceful Black Skirt Tetra, making them completely incompatible cohabitants.

🍽️ 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 Male Betta Fish 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 Male Betta Fish reaching 2.5 inches. This size balance ensures neither species holds a physical dominance advantage.

Safe Tankmate Alternatives for Black Skirt Tetra

Since the pairing between Black Skirt Tetra and Male Betta Fish is flagged as incompatible, here are 3 peaceful community tankmates that share a flawless compatibility profile with Black Skirt Tetra and match similar water parameters:

Scientific NameGymnocorymbus ternetzi
Min Tank Capacity15G
Aggressionpeaceful
Temp Envelope70°F - 85°F
pH Chemistry6.0 - 7.5
Scientific NameBetta splendens
Min Tank Capacity5G
Aggressionaggressive
Temp Envelope75°F - 80°F
pH Chemistry6.5 - 7.5

Chemistry & Habitat Analysis

Temp Envelope
75°F - 80°F
Shared temperature bounds.
pH Chemistry
6.5 - 7.5
Shared safe pH bounds.
Combined Min Tank
15 Gallons
Lowest acceptable volume.

Frequently Asked Questions: Black Skirt Tetra & Male Betta Fish Compatibility

Are Black Skirt Tetra and Male Betta Fish good tank mates?

Aggression incompatibility. Male Betta Fish is an aggressive/territorial species. Peaceful or community fish like Black Skirt Tetra cannot be housed with highly territorial fish safely.

Can you put Black Skirt Tetra and Male Betta Fish in the same tank together?

Behavioral analysis indicates a severe compatibility clash. The Male Betta Fish is known for highly territorial and aggressive behaviors. In a shared environment, it is highly likely to harass, injure, or stress the more peaceful Black Skirt Tetra, making them completely incompatible cohabitants.

What water temperature and pH parameters do Black Skirt Tetra and Male Betta Fish 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, Male Betta Fish needs a temperature of 75°F to 80°F and a pH of 6.5 to 7.5. Shared overlap range: 75°F–80°F temperature and 6.5–7.5 pH overlap.

What is the minimum combined tank volume required to house Black Skirt Tetra and Male Betta Fish?

To successfully house both species together, a baseline of 15 gallons is required. However, because the setup includes territorial behavior from Male Betta Fish (aggressive), we recommend an adjusted minimum tank volume of at least 35 gallons (adding a 20-gallon safety buffer) to establish separate visual boundaries and minimize stress.