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STATUS: INCOMPATIBLE ⬌ MATRIX CORRELATION INDEX

Can you keep Rummynose Tetra and Swordtail together?

Algorithmically generated environmental and behavioral compatibility report.

Rummynose TetraHemigrammus rhodostomus
mid Layerpeaceful
incompatible
SwordtailXiphophorus hellerii
top Layerpeaceful
INCOMPATIBLE

Algorithmic Assessment

Water acidity (pH) parameters clash. Swordtail prefers a pH of 7-8, while Rummynose Tetra requires a pH of 5.5-6.8. There is no overlapping safe pH range.

Scientific Parameter Comparison

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

Parameter MetricRummynose TetraSwordtailCalculated Overlap
Temperature Range75°F – 84°F72°F – 79°F75°F – 79°F
pH Chemistry5.5 – 6.87.0 – 8.0No Overlap (Mismatch: 0.2)
Min. Tank Capacity15 Gallons20 Gallons20 Gallons (Minimum)
Aquatic Strata ZonemidtopSeparated Layers
Adult Size (Max)2.0" (5 cm)4.5" (11 cm)Ratio: 1 : 2.3

⚠ 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:

Acidity/pH Gap0.2 pH difference

Rummynose Tetra thrives in pH 5.5-6.8, while Swordtail needs pH 7-8.

⚔️ Do Rummynose Tetra and Swordtail Fight?

Environmental or structural requirements between these species clash too heavily to allow cohabitation. Water acidity (pH) parameters clash. Swordtail prefers a pH of 7-8, while Rummynose Tetra requires a pH of 5.5-6.8. There is no overlapping safe pH range.

🍽️ 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 Rummynose 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

There is a moderate size difference. The Swordtail (4.5 inches) is noticeably larger than the Rummynose Tetra (2.0 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.

Safe Tankmate Alternatives for Rummynose Tetra

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

Scientific NameHemigrammus rhodostomus
Min Tank Capacity15G
Aggressionpeaceful
Temp Envelope75°F - 84°F
pH Chemistry5.5 - 6.8
Swordtailtop Layer
Scientific NameXiphophorus hellerii
Min Tank Capacity20G
Aggressionpeaceful
Temp Envelope72°F - 79°F
pH Chemistry7.0 - 8.0

Chemistry & Habitat Analysis

Temp Envelope
75°F - 79°F
Shared temperature bounds.
pH Chemistry
No Overlap
Acidity requirements clash.
Combined Min Tank
20 Gallons
Lowest acceptable volume.

Frequently Asked Questions: Rummynose Tetra & Swordtail Compatibility

Are Rummynose Tetra and Swordtail good tank mates?

Water acidity (pH) parameters clash. Swordtail prefers a pH of 7-8, while Rummynose Tetra requires a pH of 5.5-6.8. There is no overlapping safe pH range.

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

Environmental or structural requirements between these species clash too heavily to allow cohabitation. Water acidity (pH) parameters clash. Swordtail prefers a pH of 7-8, while Rummynose Tetra requires a pH of 5.5-6.8. There is no overlapping safe pH range.

What water temperature and pH parameters do Rummynose Tetra and Swordtail need?

Both species require compatible parameters. Rummynose Tetra needs a temperature of 75°F to 84°F and a pH of 5.5 to 6.8. Meanwhile, Swordtail needs a temperature of 72°F to 79°F and a pH of 7.0 to 8.0. Shared overlap range: 75°F–79°F temperature and No safe pH overlap overlap.

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

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