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STATUS: INCOMPATIBLE ⬌ MATRIX CORRELATION INDEX

Can you keep Bloodfin Tetra and Discus together?

Algorithmically generated environmental and behavioral compatibility report.

Bloodfin TetraAphyocharax anisitsi
mid Layerpeaceful
✕
incompatible
DiscusSymphysodon aequifasciatus
mid Layerpeaceful
INCOMPATIBLE

Algorithmic Assessment

Water temperature envelopes clash. Bloodfin Tetra requires 70-80°F, while Discus requires 82-88°F. Coldwater/coolwater and tropical species cannot share the same environment.

Scientific Parameter Comparison

Cross-reference water chemistry, temperature range envelopes, and physical dimensions of Bloodfin Tetra and Discus.

Parameter MetricBloodfin TetraDiscusCalculated Overlap
Temperature Range70°F – 80°F82°F – 88°FNo Overlap (Mismatch: 2°F)
pH Chemistry6.0 – 8.05.0 – 6.56.0 – 6.5
Min. Tank Capacity15 Gallons50 Gallons50 Gallons (Minimum)
Aquatic Strata ZonemidmidShared Zone (Layer Conflict)
Adult Size (Max)2.0" (5 cm)8.0" (20 cm)Ratio: 1 : 4.0

⚠ 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:

Temperature Deficit2.0°F gap

Bloodfin Tetra requires 70-80°F, while Discus needs 82-88°F.

Predation Threat MetricsSize Ratio: 4.0 : 1

Larger predators typically consume tankmates that fit into their mouths. Keeping a 2" species with a 8" species is dangerous.

Behavioral & Environmental Compatibility

⚔️ Do Bloodfin Tetra and Discus Fight?

Environmental or structural requirements between these species clash too heavily to allow cohabitation. Water temperature envelopes clash. Bloodfin Tetra requires 70-80°F, while Discus requires 82-88°F. Coldwater/coolwater and tropical species cannot share the same environment.

🍽️ 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

There is a moderate size difference. The Discus (8.0 inches) is noticeably larger than the Bloodfin 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 Bloodfin Tetra

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

Scientific NameAphyocharax anisitsi
Min Tank Capacity15G
Aggressionpeaceful
Temp Envelope70°F - 80°F
pH Chemistry6.0 - 8.0
Discusmid Layer
Scientific NameSymphysodon aequifasciatus
Min Tank Capacity50G
Aggressionpeaceful
Temp Envelope82°F - 88°F
pH Chemistry5.0 - 6.5

Chemistry & Habitat Analysis

Temp Envelope
No Overlap
Envelopes mismatch.
pH Chemistry
6.0 - 6.5
Shared safe pH bounds.
Combined Min Tank
50 Gallons
Lowest acceptable volume.

Frequently Asked Questions

Are Bloodfin Tetra and Discus good tank mates?

Water temperature envelopes clash. Bloodfin Tetra requires 70-80°F, while Discus requires 82-88°F. Coldwater/coolwater and tropical species cannot share the same environment.

Can you put Bloodfin Tetra and Discus in the same tank together?

Environmental or structural requirements between these species clash too heavily to allow cohabitation. Water temperature envelopes clash. Bloodfin Tetra requires 70-80°F, while Discus requires 82-88°F. Coldwater/coolwater and tropical species cannot share the same environment.

What water temperature and pH parameters do Bloodfin Tetra and Discus need?

Both species require compatible parameters. Bloodfin Tetra needs a temperature of 70°F to 80°F and a pH of 6.0 to 8.0. Meanwhile, Discus needs a temperature of 82°F to 88°F and a pH of 5.0 to 6.5. Shared overlap range: No safe temperature overlap temperature and 6.0–6.5 pH overlap.

What is the minimum combined tank volume required to house Bloodfin Tetra and Discus?

To successfully house both species together, the minimum baseline capacity is 50 gallons. Because both Bloodfin Tetra and Discus are peaceful community species, no extra territorial buffer volume is required.

Do Bloodfin Tetra and Discus occupy the same swimming layer?

Both species predominantly dwell in the mid layer. Sharing the exact same vertical zone increases the risk of mid-water open swimming space density and visual boundary conflicts. You must ensure you have adequate decorations, hiding spots, and line-of-sight breaks to mitigate friction.