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STATUS: INCOMPATIBLE ⬌ MATRIX CORRELATION INDEX

Can you keep Angelfish and Tiger Barb together?

Algorithmically generated environmental and behavioral compatibility report.

AngelfishPterophyllum scalare
mid Layersemi-aggressive
incompatible
Tiger BarbPuntigrus tetrazona
mid Layersemi-aggressive
INCOMPATIBLE

Algorithmic Assessment

Tiger Barbs will nip the long, trailing threads of Angelfish, causing severe damage, stress, and potential secondary bacterial infections.

Scientific Parameter Comparison

Cross-reference water chemistry, temperature range envelopes, and physical dimensions of Angelfish and Tiger Barb.

Parameter MetricAngelfishTiger BarbCalculated Overlap
Temperature Range75°F – 82°F74°F – 80°F75°F – 80°F
pH Chemistry6.0 – 7.56.0 – 7.56.0 – 7.5
Min. Tank Capacity30 Gallons20 Gallons30 Gallons (Minimum)
Aquatic Strata ZonemidmidShared Zone (Layer Conflict)
Adult Size (Max)6.0" (15 cm)3.0" (8 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:

⚔️ Do Angelfish and Tiger Barb Fight?

Environmental or structural requirements between these species clash too heavily to allow cohabitation. Tiger Barbs will nip the long, trailing threads of Angelfish, causing severe damage, stress, and potential secondary bacterial infections.

🍽️ 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

Both species are closely matched in physical dimensions, with Angelfish growing to 6.0 inches and Tiger Barb reaching 3.0 inches. This size balance ensures neither species holds a physical dominance advantage.

Angelfishmid Layer
Scientific NamePterophyllum scalare
Min Tank Capacity30G
Aggressionsemi-aggressive
Temp Envelope75°F - 82°F
pH Chemistry6.0 - 7.5
Tiger Barbmid Layer
Scientific NamePuntigrus tetrazona
Min Tank Capacity20G
Aggressionsemi-aggressive
Temp Envelope74°F - 80°F
pH Chemistry6.0 - 7.5

Chemistry & Habitat Analysis

Temp Envelope
75°F - 80°F
Shared temperature bounds.
pH Chemistry
6.0 - 7.5
Shared safe pH bounds.
Combined Min Tank
30 Gallons
Lowest acceptable volume.

Frequently Asked Questions: Angelfish & Tiger Barb Compatibility

Are Angelfish and Tiger Barb good tank mates?

Tiger Barbs will nip the long, trailing threads of Angelfish, causing severe damage, stress, and potential secondary bacterial infections.

Can you put Angelfish and Tiger Barb in the same tank together?

Environmental or structural requirements between these species clash too heavily to allow cohabitation. Tiger Barbs will nip the long, trailing threads of Angelfish, causing severe damage, stress, and potential secondary bacterial infections.

What water temperature and pH parameters do Angelfish and Tiger Barb need?

Both species require compatible parameters. Angelfish needs a temperature of 75°F to 82°F and a pH of 6.0 to 7.5. Meanwhile, Tiger Barb needs a temperature of 74°F to 80°F and a pH of 6.0 to 7.5. Shared overlap range: 75°F–80°F temperature and 6.0–7.5 pH overlap.

What is the minimum combined tank volume required to house Angelfish and Tiger Barb?

To successfully house both species together, a baseline of 30 gallons is required. However, because the setup includes territorial behavior from Angelfish (semi-aggressive) and Tiger Barb (semi-aggressive), we recommend an adjusted minimum tank volume of at least 40 gallons (adding a 10-gallon safety buffer) to establish separate visual boundaries and minimize stress.