๐Ÿ  Fish Compatibility Guide

Can Denison Barb and Foxface Rabbitfish Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โŒ Not Compatible โ€” Compatibility Score: 0/100
0/100 โ€” Not Compatible

Denison Barb and Foxface Rabbitfish Compatibility Overview

Denison Barb and Foxface Rabbitfish are generally not recommended to be housed together. One of these is a marine species and the other is not; they cannot share one aquarium. Their pH ranges do not meet: Denison Barb wants 6.5โ€“7.8 and Foxface Rabbitfish wants 8.1โ€“8.4. Review the behavior and water details before deciding whether to attempt the pairing.

Compatibility factors for Denison Barb and Foxface Rabbitfish
FactorDenison BarbFoxface RabbitfishVerdict
Temperature59โ€“77ยฐF72โ€“82ยฐFโœ… 72โ€“77ยฐF
pH Range6.5โ€“7.88.1โ€“8.4โŒ No overlap
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size4.3 in9.0 inโš ๏ธ 2.1ร— difference
Min. Group6+1+See below
Min. Tank Size100 gallons (for both species)โ€”

Compatibility Positives

A stable shared temperature range is available.
Temperament risk is relatively low when normal group sizes are maintained.

Incompatibility Reasons

One of these is a marine species and the other is not; they cannot share one aquarium.
Their pH ranges do not meet: Denison Barb wants 6.5โ€“7.8 and Foxface Rabbitfish wants 8.1โ€“8.4.

Species Profiles

Denison Barb โ€” Sahyadria denisonii

Denison Barb and Foxface Rabbitfish compatibility โ€” Denison Barb

The Denison Barb is a popular freshwater fish known for its vibrant coloration and peaceful nature. It is well-suited for community tanks with other peaceful species. These fish are relatively easy to care for and can thrive in a well-maintained aquarium. They require a spacious tank and should be kept in groups to prevent stress.

โ†’ Full Denison Barb care guide

Foxface Rabbitfish โ€” Siganus vulpinus

Denison Barb and Foxface Rabbitfish compatibility โ€” Foxface Rabbitfish

The Foxface Rabbitfish is a vibrant and peaceful addition to the marine aquarium. With its striking yellow coloration and dark spots, it adds a splash of color to the tank. They are known for their gregarious nature and can be kept in groups of 2-3. This species is suitable for beginners and intermediate aquarists.

โ†’ Full Foxface Rabbitfish care guide

Frequently Asked Questions

Can Denison Barb live with Foxface Rabbitfish?

Generally not recommended. Denison Barb and Foxface Rabbitfish are generally not recommended to be housed together. One of these is a marine species and the other is not; they cannot share one aquarium. Their pH ranges do not meet: Denison Barb wants 6.5โ€“7.8 and Foxface Rabbitfish wants 8.1โ€“8.4. Review the behavior and water details before deciding whether to attempt the pairing.

What tank size do I need for Denison Barb and Foxface Rabbitfish together?

A minimum of 100 gallons is recommended for keeping Denison Barb and Foxface Rabbitfish together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Denison Barb and Foxface Rabbitfish?

72โ€“77ยฐF โ€” inside Denison Barb's 59โ€“77ยฐF and Foxface Rabbitfish's 72โ€“82ยฐF.

Is a Denison Barb aggressive toward a Foxface Rabbitfish?

Denison Barb is peaceful and Foxface Rabbitfish is peaceful. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Denison Barb and Foxface Rabbitfish

Use the scenario that matches the actual group sizes and temperament you plan to keep.

ScenarioTankWhen it applies
Minimum viable125 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community180 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup300 galBest when keeping larger schools or reducing territorial pressure.