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Species profile

Peacock Eel

Macrognathus siamensis

Peacock Eel (Macrognathus siamensis) aquarium profile: minimum 55 gallon tank, 12 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.

Community leaningAdvanced care
Peacock Eel aquarium fish
55 galMinimum tank
12 inAdult size
1Schooling minimum
75-82°FTemperature

Water Range

pH
6.5-7.8
GH
5-15 dGH
KH
2-10 dKH

Behavior

Temperament
Peaceful
Fin nipping
0/5
Territory
1/5

Diet and Care

Diet
carnivore
Diet difficulty
3/5
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.

live or fresh foodpredatory feedingescape risklarge adult size
Check a tank plan

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

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

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