Black Ghost Knifefish Tank Mates & Compatibility

Black Ghost Knifefish

Apteronotus albifrons

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TemperamentSemi-Aggressive (6/10)

Adult Size40 cm

Temperature23–28°C

Water TypeFreshwater Only

Swim ZoneBottom, Mid-level

StockingSolo only

Showing 97 - 120 of 735 Tank Mates

Black Ghost Knifefish & Betta Macrostoma

Apteronotus albifrons · Betta macrostoma

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveBetta Macrostoma: Semi-Aggressive

Black Ghost Knifefish & Betta Smaragdina

Apteronotus albifrons · Betta smaragdina

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveBetta Smaragdina: Semi-Aggressive

Black Ghost Knifefish & Black Acara

Apteronotus albifrons · Cichlasoma bimaculatum

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveBlack Acara: Semi-Aggressive

Black Ghost Knifefish & Black Belt Cichlid

Apteronotus albifrons · Vieja maculicauda

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveBlack Belt Cichlid: Aggressive

Black Ghost Knifefish & Black Bullhead Catfish

Apteronotus albifrons · Ameiurus melas

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveBlack Bullhead Catfish: Aggressive

Black Ghost Knifefish & Black Corydoras

Apteronotus albifrons · Corydoras schultzei

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveBlack Corydoras: Peaceful

Black Ghost Knifefish & Black Diamond Cichlid

Apteronotus albifrons · Paratilapia polleni

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveBlack Diamond Cichlid: Aggressive

Black Ghost Knifefish & Black Fin Cory

Apteronotus albifrons · Corydoras leucomelas

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveBlack Fin Cory: Peaceful

Black Ghost Knifefish & Black Kuhli Loach

Apteronotus albifrons · Pangio oblonga

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveBlack Kuhli Loach: Peaceful

Black Ghost Knifefish & Black Marble Hoplo

Apteronotus albifrons · Megalechis thoracata

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveBlack Marble Hoplo: Mostly Peaceful

Black Ghost Knifefish & Black Neon Tetra

Apteronotus albifrons · Hyphessobrycon herbertaxelrodi

Black Ghost Knifefish & Black Ocellatus

Apteronotus albifrons · Lamprologus speciosus

Black Ghost Knifefish & Black Pacu

Apteronotus albifrons · Colossoma macropomum

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveBlack Pacu: Mostly Peaceful

Black Ghost Knifefish & Black Phantom Tetra

Apteronotus albifrons · Hyphessobrycon megalopterus

Black Ghost Knifefish & Black Ruby Barb

Apteronotus albifrons · Pethia nigrofasciata

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveBlack Ruby Barb: 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 & Black-Banded Rainbowfish

Apteronotus albifrons · Melanotaenia nigrans

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveBlack-Banded Rainbowfish: Peaceful

Black Ghost Knifefish & Blackline Rasbora

Apteronotus albifrons · Rasbora borapetensis

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveBlackline Rasbora: Peaceful

Black Ghost Knifefish & Bladder Snail (Pest Snail)

Apteronotus albifrons · Physella acuta

Black Ghost Knifefish & Bleeding Heart Tetra

Apteronotus albifrons · Hyphessobrycon erythrostigma

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveBleeding Heart Tetra: Peaceful

Black Ghost Knifefish & Bleher's Rainbowfish

Apteronotus albifrons · Chilatherina bleheri

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveBleher's Rainbowfish: Peaceful

Black Ghost Knifefish & Blind Cave Tetra

Apteronotus albifrons · Astyanax mexicanus

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveBlind Cave Tetra: Mostly Peaceful

Black Ghost Knifefish & Blood Parrot Cichlid

Apteronotus albifrons · Hybrid cichlid (Blood Parrot)

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveBlood Parrot Cichlid: Semi-Aggressive

Black Ghost Knifefish & Bloodfin Tetra

Apteronotus albifrons · Aphyocharax anisitsi

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveBloodfin Tetra: Peaceful