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Species profile

Black Ghost Knifefish

Apteronotus albifrons

Black Ghost Knifefish (Apteronotus albifrons) aquarium profile: minimum 100 gallon tank, 18 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
Black Ghost Knifefish aquarium fish
100 galMinimum tank
18 inAdult size
1Schooling minimum
75-82°FTemperature

Water Range

pH
6-7.5
GH
2-12 dGH
KH
1-8 dKH

Behavior

Temperament
Moderate
Fin nipping
0/5
Territory
3/5

Diet and Care

Diet
carnivore/omnivore
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 sizehigh bioload
Check a tank plan

Use the checker before adding Black Ghost Knifefish 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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