๐Ÿ  Fish Compatibility Guide

Can Senegal Bichir and Swordtail Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โŒ Not Compatible โ€” Compatibility Score: 32/100
32/100 โ€” Not Compatible

Senegal Bichir and Swordtail Compatibility Overview

Senegal Bichir and Swordtail are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Their pH ranges overlap only partly, so aim for the shared band and keep it steady. Review the behavior and water details before deciding whether to attempt the pairing.

Compatibility factors for Senegal Bichir and Swordtail
FactorSenegal BichirSwordtailVerdict
Temperature75โ€“82ยฐF65โ€“80ยฐFโœ… 75โ€“80ยฐF
pH Range6.2โ€“7.87.0โ€“8.3โš ๏ธ 7.0โ€“7.8 (narrow)
Temperamentsemipeacefulโš ๏ธ Monitor
Adult Size19.7 in5 inโš ๏ธ 3.9ร— difference
Min. Group1+3+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

The adult size gap creates a meaningful predation risk.
Their pH ranges overlap only partly, so aim for the shared band and keep it steady.

Species Profiles

Senegal Bichir โ€” Polypterus senegalus

Senegal Bichir and Swordtail compatibility โ€” Senegal Bichir

The Senegal Bichir is a fascinating freshwater fish known for its eel-like body and bony plates. It is a peaceful community fish that can be kept with a variety of species. These fish are active and require a spacious tank with plenty of swimming room. They are not known to be aggressive and can be a great addition to a beginner's aquarium.

โ†’ Full Senegal Bichir care guide

Swordtail โ€” Xiphophorus hellerii

Senegal Bichir and Swordtail compatibility โ€” Swordtail

Hardy livebearer with a distinctive elongated lower tail fin in males. Peaceful community fish that tolerate a wide temperature range.

โ†’ Full Swordtail care guide

Frequently Asked Questions

Can Senegal Bichir live with Swordtail?

Generally not recommended. Senegal Bichir and Swordtail are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Their pH ranges overlap only partly, so aim for the shared band and keep it steady. Review the behavior and water details before deciding whether to attempt the pairing.

What tank size do I need for Senegal Bichir and Swordtail together?

A minimum of 100 gallons is recommended for keeping Senegal Bichir and Swordtail together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Senegal Bichir and Swordtail?

75โ€“80ยฐF โ€” inside Senegal Bichir's 75โ€“82ยฐF and Swordtail's 65โ€“80ยฐF.

Is a Senegal Bichir aggressive toward a Swordtail?

The adult size gap creates a meaningful predation risk.

Related Compatibility Guides

Tank Size for Senegal Bichir and Swordtail

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

ScenarioTankWhen it applies
Minimum viable143 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community220 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup300 galBest when keeping larger schools or reducing territorial pressure.