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STATUS: INCOMPATIBLE ⬌ MATRIX CORRELATION INDEX

Can you keep Cherry Shrimp and Red Tailed Black Shark together?

Algorithmically generated environmental and behavioral compatibility report.

Cherry ShrimpNeocaridina davidi
bottom Layerpeaceful
incompatible
Red Tailed Black SharkEpalzeorhynchos bicolor
bottom Layeraggressive
INCOMPATIBLE

Algorithmic Assessment

High predation hazard. The size ratio between Red Tailed Black Shark (6") and Cherry Shrimp (1") exceeds 4:1, and the larger species has a aggressive temperament. The smaller species will likely be hunted or eaten.

Scientific Parameter Comparison

Cross-reference water chemistry, temperature range envelopes, and physical dimensions of Cherry Shrimp and Red Tailed Black Shark.

Parameter MetricCherry ShrimpRed Tailed Black SharkCalculated Overlap
Temperature Range65°F – 80°F72°F – 82°F72°F – 80°F
pH Chemistry6.5 – 8.06.8 – 7.56.8 – 7.5
Min. Tank Capacity5 Gallons55 Gallons55 Gallons (Minimum)
Aquatic Strata ZonebottombottomShared Zone (Layer Conflict)
Adult Size (Max)1.0" (3 cm)6.0" (15 cm)Ratio: 1 : 6.0

⚠ 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:

Predation Threat MetricsSize Ratio: 6.0 : 1

Larger predators typically consume tankmates that fit into their mouths. Keeping a 1" species with a 6" species is dangerous.

⚔️ Do Cherry Shrimp and Red Tailed Black Shark Fight?

Behavioral analysis indicates a severe compatibility clash. The Red Tailed Black Shark is known for highly territorial and aggressive behaviors. In a shared environment, it is highly likely to harass, injure, or stress the more peaceful Cherry Shrimp, 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. Both species reside in the bottom 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

A major physical size discrepancy exists between these two species. The Red Tailed Black Shark grows to 6.0 inches, which is over 6 times larger than the Cherry Shrimp at only 1.0 inches. There is a high risk of predation, as predatory fish will naturally consume any tank mate that can fit into their mouths.

Safe Tankmate Alternatives for Cherry Shrimp

Since the pairing between Cherry Shrimp and Red Tailed Black Shark is flagged as incompatible, here are 3 peaceful community tankmates that share a flawless compatibility profile with Cherry Shrimp and match similar water parameters:

Cherry Shrimpbottom Layer
Scientific NameNeocaridina davidi
Min Tank Capacity5G
Aggressionpeaceful
Temp Envelope65°F - 80°F
pH Chemistry6.5 - 8.0
Scientific NameEpalzeorhynchos bicolor
Min Tank Capacity55G
Aggressionaggressive
Temp Envelope72°F - 82°F
pH Chemistry6.8 - 7.5

Chemistry & Habitat Analysis

Temp Envelope
72°F - 80°F
Shared temperature bounds.
pH Chemistry
6.8 - 7.5
Shared safe pH bounds.
Combined Min Tank
55 Gallons
Lowest acceptable volume.

Frequently Asked Questions: Cherry Shrimp & Red Tailed Black Shark Compatibility

Are Cherry Shrimp and Red Tailed Black Shark good tank mates?

High predation hazard. The size ratio between Red Tailed Black Shark (6") and Cherry Shrimp (1") exceeds 4:1, and the larger species has a aggressive temperament. The smaller species will likely be hunted or eaten.

Can you put Cherry Shrimp and Red Tailed Black Shark in the same tank together?

Behavioral analysis indicates a severe compatibility clash. The Red Tailed Black Shark is known for highly territorial and aggressive behaviors. In a shared environment, it is highly likely to harass, injure, or stress the more peaceful Cherry Shrimp, making them completely incompatible cohabitants.

What water temperature and pH parameters do Cherry Shrimp and Red Tailed Black Shark need?

Both species require compatible parameters. Cherry Shrimp needs a temperature of 65°F to 80°F and a pH of 6.5 to 8.0. Meanwhile, Red Tailed Black Shark needs a temperature of 72°F to 82°F and a pH of 6.8 to 7.5. Shared overlap range: 72°F–80°F temperature and 6.8–7.5 pH overlap.

What is the minimum combined tank volume required to house Cherry Shrimp and Red Tailed Black Shark?

To successfully house both species together, a baseline of 55 gallons is required. However, because the setup includes territorial behavior from Red Tailed Black Shark (aggressive), we recommend an adjusted minimum tank volume of at least 75 gallons (adding a 20-gallon safety buffer) to establish separate visual boundaries and minimize stress.