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Species profile

Freshwater Moray Eel

Gymnothorax polyuranodon

Freshwater 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
Freshwater Moray Eel aquarium fish
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.

live or fresh foodspecialized dietbrackish or specialistspecialized setuppredatory feedingescape risklarge adult sizehigh bioloadassertive or territorialneeds review
Check a tank plan

Use the checker before adding Freshwater Moray Eel to compare tank size, cycle status, cover, and tankmates.

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Aquarium guides

Read setup, cycling, stocking, and care guides before buying fish.

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