Species profile
Freshwater Moray Eel
Gymnothorax polyuranodonFreshwater Moray Eel (Gymnothorax polyuranodon) aquarium profile: minimum 125 gallon tank, 30 inch adult size, 74-82°F temperature range, and advanced care. Can usually be planned as a single specimen or small group depending on temperament.
TerritorialHigh energyAdvanced care

125 galMinimum tank
30 inAdult size
1Schooling minimum
74-82°FTemperature
Water Range
- pH
- 7-8.2
- GH
- 8-20 dGH
- KH
- 5-15 dKH
Behavior
- Temperament
- Assertive
- Fin nipping
- 0/5
- Territory
- 4/5
Diet and Care
- Diet
- carnivore
- Diet difficulty
- 5/5
- Care difficulty
- 5/5
Planning Notes
Specialist setup animal; verify freshwater/brackish needs, feeding, and habitat before stocking. 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 Freshwater Moray 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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