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STATUS: INCOMPATIBLE ⬌ MATRIX CORRELATION INDEX

Can you keep Assassin Snail and Rummynose Tetra together?

Algorithmically generated environmental and behavioral compatibility report.

Assassin SnailClea helena
bottom Layersemi-aggressive
✕
incompatible
Rummynose TetraHemigrammus rhodostomus
mid Layerpeaceful
INCOMPATIBLE

Algorithmic Assessment

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

Scientific Parameter Comparison

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

Parameter MetricAssassin SnailRummynose TetraCalculated Overlap
Temperature Range70°F – 80°F75°F – 84°F75°F – 80°F
pH Chemistry7.0 – 8.05.5 – 6.8No Overlap (Mismatch: 0.2)
Min. Tank Capacity5 Gallons15 Gallons15 Gallons (Minimum)
Aquatic Strata ZonebottommidSeparated Layers
Adult Size (Max)1.0" (3 cm)2.0" (5 cm)Ratio: 1 : 2.0

⚠ 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:

Acidity/pH Gap0.2 pH difference

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

Behavioral & Environmental Compatibility

⚔️ Do Assassin Snail and Rummynose Tetra Fight?

Environmental or structural requirements between these species clash too heavily to allow cohabitation. Water acidity (pH) parameters clash. Rummynose Tetra prefers a pH of 5.5-6.8, while Assassin Snail requires a pH of 7-8. 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 Assassin Snail occupies the bottom layer, while the Rummynose Tetra occupies the mid 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 Assassin Snail growing to 1.0 inches and Rummynose Tetra reaching 2.0 inches. This size balance ensures neither species holds a physical dominance advantage.

Assassin Snailbottom Layer
Scientific NameClea helena
Min Tank Capacity5G
Aggressionsemi-aggressive
Temp Envelope70°F - 80°F
pH Chemistry7.0 - 8.0
Scientific NameHemigrammus rhodostomus
Min Tank Capacity15G
Aggressionpeaceful
Temp Envelope75°F - 84°F
pH Chemistry5.5 - 6.8

Chemistry & Habitat Analysis

Temp Envelope
75°F - 80°F
Shared temperature bounds.
pH Chemistry
No Overlap
Acidity requirements clash.
Combined Min Tank
15 Gallons
Lowest acceptable volume.

Frequently Asked Questions

Are Assassin Snail and Rummynose Tetra good tank mates?

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

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

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

What water temperature and pH parameters do Assassin Snail and Rummynose Tetra need?

Both species require compatible parameters. Assassin Snail needs a temperature of 70°F to 80°F and a pH of 7.0 to 8.0. Meanwhile, Rummynose Tetra needs a temperature of 75°F to 84°F and a pH of 5.5 to 6.8. Shared overlap range: 75°F–80°F temperature and No safe pH overlap overlap.

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

To successfully house both species together, a baseline of 15 gallons is required. However, because the setup includes territorial behavior from Assassin Snail (semi-aggressive), we recommend an adjusted minimum tank volume of at least 25 gallons (adding a 10-gallon safety buffer) to establish separate visual boundaries and minimize stress.

Do Assassin Snail and Rummynose Tetra occupy the same swimming layer?

These species occupy different vertical zones. Assassin Snail prefers the bottom layer, while Rummynose Tetra commands the mid zone. This natural spatial stratification creates an effective biological barrier, preventing direct face-to-face boundary friction and reducing territorial encounters.