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Black Ghost Knifefish Tank Mates & Compatibility

Black Ghost Knifefish

Apteronotus albifrons

View full care guide
TemperamentSemi-Aggressive (6/10)
Adult Size40 cm
Temperature23–28°C
Water TypeFreshwater Only
Swim ZoneBottom, Mid-level
StockingSolo only
Showing 1 - 24 of 147 Tank Mates

Black Ghost Knifefish & African Butterfly Cichlid

Apteronotus albifrons · Anomalochromis thomasi

🟡Possible with Caution
Black Ghost Knifefish: Semi-AggressiveAfrican Butterfly Cichlid: Mostly Peaceful

Black Ghost Knifefish & African Butterfly Fish

Apteronotus albifrons · Pantodon buchholzi

🟡Possible with Caution
Black Ghost Knifefish: Semi-AggressiveAfrican Butterfly Fish: Semi-Aggressive

Black Ghost Knifefish & African Jewel Cichlid

Apteronotus albifrons · Hemichromis bimaculatus

🟡Possible with Caution
Black Ghost Knifefish: Semi-AggressiveAfrican Jewel Cichlid: Aggressive

Black Ghost Knifefish & Amano Shrimp

Apteronotus albifrons · Caridina multidentata

🔴Not Recommended
Black Ghost Knifefish: Semi-AggressiveAmano Shrimp: Peaceful

Black Ghost Knifefish & Amazon Leaf Fish

Apteronotus albifrons · Monocirrhus polyacanthus

🟡Possible with Caution
Black Ghost Knifefish: Semi-AggressiveAmazon Leaf Fish: Peaceful

Black Ghost Knifefish & Amazon Puffer

Apteronotus albifrons · Colomesus asellus

🟡Possible with Caution
Black Ghost Knifefish: Semi-AggressiveAmazon Puffer: Mostly Peaceful

Black Ghost Knifefish & Assassin Snail

Apteronotus albifrons · Clea helena

🔴Not Recommended
Black Ghost Knifefish: Semi-AggressiveAssassin Snail: Peaceful

Black Ghost Knifefish & Bala Shark

Apteronotus albifrons · Balantiocheilos melanopterus

🟡Possible with Caution
Black Ghost Knifefish: Semi-AggressiveBala Shark: Mostly Peaceful

Black Ghost Knifefish & Bamboo Shrimp

Apteronotus albifrons · Atyopsis moluccensis

🟡Possible with Caution
Black Ghost Knifefish: Semi-AggressiveBamboo Shrimp: Peaceful

Black Ghost Knifefish & Banded Archerfish (Brackish)

Apteronotus albifrons · Toxotes jaculatrix

🔴Not Recommended
Black Ghost Knifefish: Semi-AggressiveBanded Archerfish (Brackish): Semi-Aggressive

Black Ghost Knifefish & Beckford's Pencilfish

Apteronotus albifrons · Nannostomus beckfordi

🔴Not Recommended
Black Ghost Knifefish: Semi-AggressiveBeckford's Pencilfish: Peaceful

Black Ghost Knifefish & Bee Shrimp (Crystal Red / Black)

Apteronotus albifrons · Caridina cantonensis

🔴Not Recommended
Black Ghost Knifefish: Semi-AggressiveBee Shrimp (Crystal Red / Black): Peaceful

Black Ghost Knifefish & Betta (Siamese Fighting Fish)

Apteronotus albifrons · Betta splendens

🟡Possible with Caution
Black Ghost Knifefish: Semi-AggressiveBetta (Siamese Fighting Fish): Semi-Aggressive

Black Ghost Knifefish & Black Pacu

Apteronotus albifrons · Colossoma macropomum

🟡Possible with Caution
Black Ghost Knifefish: Semi-AggressiveBlack Pacu: Mostly Peaceful

Black Ghost Knifefish & Black Skirt Tetra

Apteronotus albifrons · Gymnocorymbus ternetzi

🟡Possible with Caution
Black Ghost Knifefish: Semi-AggressiveBlack Skirt Tetra: Mostly Peaceful

Black Ghost Knifefish & Blue Dolphin (Hap)

Apteronotus albifrons · Cyrtocara moorii

🟡Possible with Caution
Black Ghost Knifefish: Semi-AggressiveBlue Dolphin (Hap): Semi-Aggressive

Black Ghost Knifefish & Boeseman's Rainbowfish

Apteronotus albifrons · Melanotaenia boesemani

🟡Possible with Caution
Black Ghost Knifefish: Semi-AggressiveBoeseman's Rainbowfish: Peaceful

Black Ghost Knifefish & Bristlenose Pleco

Apteronotus albifrons · Ancistrus cirrhosus

🟡Possible with Caution
Black Ghost Knifefish: Semi-AggressiveBristlenose Pleco: Peaceful

Black Ghost Knifefish & Bronze Corydoras

Apteronotus albifrons · Corydoras aeneus

🟡Possible with Caution
Black Ghost Knifefish: Semi-AggressiveBronze Corydoras: Peaceful

Black Ghost Knifefish & Bucktooth Tetra (Exodon)

Apteronotus albifrons · Exodon paradoxus

🔴Not Recommended
Black Ghost Knifefish: Semi-AggressiveBucktooth Tetra (Exodon): Highly Aggressive

Black Ghost Knifefish & Bumblebee Goby (Brackish)

Apteronotus albifrons · Brachygobius xanthozonus

🔴Not Recommended
Black Ghost Knifefish: Semi-AggressiveBumblebee Goby (Brackish): Mostly Peaceful

Black Ghost Knifefish & Cardinal Tetra

Apteronotus albifrons · Paracheirodon axelrodi

🔴Not Recommended
Black Ghost Knifefish: Semi-AggressiveCardinal Tetra: Peaceful

Black Ghost Knifefish & Celebes Rainbowfish

Apteronotus albifrons · Marosatherina ladigesi

🟡Possible with Caution
Black Ghost Knifefish: Semi-AggressiveCelebes Rainbowfish: Peaceful

Black Ghost Knifefish & Celestial Pearl Danio (Galaxy Rasbora)

Apteronotus albifrons · Danio margaritatus

🔴Not Recommended
Black Ghost Knifefish: Semi-AggressiveCelestial Pearl Danio (Galaxy Rasbora): Peaceful