๐Ÿ  Fish Compatibility Guide

Can Fire Eel and Mystery Snail 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

Fire Eel and Mystery Snail Compatibility Overview

Fire Eel and Mystery Snail are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Their usable pH overlap is narrow and requires stable, tested water. Review the behavior and water details before deciding whether to attempt the pairing.

Compatibility factors for Fire Eel and Mystery Snail
FactorFire EelMystery SnailVerdict
Temperature75โ€“82ยฐF68โ€“80ยฐFโœ… 75โ€“80ยฐF
pH Range6.0โ€“7.07.0โ€“8.0โš ๏ธ 7.0โ€“7.0 (narrow)
Temperamentsemipeacefulโš ๏ธ Monitor
Adult Size39.4 in2 inโŒ 20ร— difference
Min. Group1+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

The adult size gap creates a meaningful predation risk.
Their usable pH overlap is narrow and requires stable, tested water.

Species Profiles

Fire Eel โ€” Mastacembelus erythrotaenia

Fire Eel and Mystery Snail compatibility โ€” Fire Eel

The Fire Eel is a stunning, red-bottomed species that requires a spacious tank. They are peaceful bottom feeders and do best in a well-planted, mature aquarium. With a moderate activity level, they can be a great addition to a community tank, but their size and diet may be incompatible with smaller fish.

โ†’ Full Fire Eel care guide

Mystery Snail โ€” Pomacea bridgesii

Large, peaceful aquarium snails that graze on algae and detritus. Shell provides some protection but can be harassed by certain fish.

โ†’ Full Mystery Snail care guide

Frequently Asked Questions

Can Fire Eel live with Mystery Snail?

Generally not recommended. Fire Eel and Mystery Snail are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Their usable pH overlap is narrow and requires stable, tested water. Review the behavior and water details before deciding whether to attempt the pairing.

What tank size do I need for Fire Eel and Mystery Snail together?

A minimum of 100 gallons is recommended for keeping Fire Eel and Mystery Snail together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Fire Eel and Mystery Snail?

75โ€“80ยฐF โ€” inside Fire Eel's 75โ€“82ยฐF and Mystery Snail's 68โ€“80ยฐF.

Is a Fire Eel aggressive toward a Mystery Snail?

The adult size gap creates a meaningful predation risk.

Related Compatibility Guides

Tank Size for Fire Eel and Mystery Snail

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

ScenarioTankWhen it applies
Minimum viable114 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 setup220 galBest when keeping larger schools or reducing territorial pressure.