Species profile
Red Fire Eel
Mastacembelus erythrotaeniaRed Fire Eel (Mastacembelus erythrotaenia) aquarium profile: minimum 180 gallon tank, 30 inch adult size, 75-82°F temperature range, and advanced care. Can usually be planned as a single specimen or small group depending on temperament.
TerritorialHigh energyFlashyAdvanced care

180 galMinimum tank
30 inAdult size
1Schooling minimum
75-82°FTemperature
Water Range
- pH
- 6.5-7.8
- GH
- 5-15 dGH
- KH
- 2-10 dKH
Behavior
- Temperament
- Assertive
- Fin nipping
- 0/5
- Territory
- 4/5
Diet and Care
- Diet
- carnivore
- Diet difficulty
- 4/5
- Care difficulty
- 4/5
Planning Notes
Predatory or specialist fish; plan for adult size, secure lids, and meaty feeding needs.
This species may need live, frozen, fresh, or otherwise specialized foods.
Use the checker before adding Red Fire Eel to compare tank size, cycle status, cover, and tankmates.
Open checkerAquarium guidesRead setup, cycling, stocking, and care guides before buying fish.
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