Black Ghost Knifefish & Jack Dempsey
Apteronotus albifrons · Rocio octofasciata
Black Ghost Knifefish: Semi-AggressiveJack Dempsey: Aggressive
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Black Ghost Knifefish Tank Mates & Compatibility
Black Ghost Knifefish
Apteronotus albifrons
TemperamentSemi-Aggressive (6/10)
Adult Size40 cm
Temperature23–28°C
Water TypeFreshwater Only
Swim ZoneBottom, Mid-level
StockingSolo only
Showing 361 - 384 of 735 Tank Mates
Possible with Caution
Black Ghost Knifefish & Jaguar Cichlid
Apteronotus albifrons · Parachromis managuensis
Black Ghost Knifefish: Semi-AggressiveJaguar Cichlid: Highly Aggressive
Black Ghost Knifefish & Japanese Ricefish (Medaka)
Apteronotus albifrons · Oryzias latipes
Black Ghost Knifefish: Semi-AggressiveJapanese Ricefish (Medaka): Peaceful
Black Ghost Knifefish & Japen Rainbowfish
Apteronotus albifrons · Melanotaenia japenensis
Black Ghost Knifefish: Semi-AggressiveJapen Rainbowfish: Peaceful
Black Ghost Knifefish & Julii Corydoras (False Julii)
Apteronotus albifrons · Corydoras trilineatus
Black Ghost Knifefish: Semi-AggressiveJulii Corydoras (False Julii): Peaceful
Black Ghost Knifefish & Jurupari Eartheater
Apteronotus albifrons · Satanoperca jurupari
Black Ghost Knifefish: Semi-AggressiveJurupari Eartheater: Mostly Peaceful
Black Ghost Knifefish & Kamaka Rainbowfish
Apteronotus albifrons · Melanotaenia kamaka
Black Ghost Knifefish: Semi-AggressiveKamaka Rainbowfish: Peaceful
Black Ghost Knifefish & Kenyi Cichlid
Apteronotus albifrons · Maylandia lombardoi
Black Ghost Knifefish: Semi-AggressiveKenyi Cichlid: Highly Aggressive
Black Ghost Knifefish & Keyhole Cichlid
Apteronotus albifrons · Cleithracara maronii
Black Ghost Knifefish: Semi-AggressiveKeyhole Cichlid: Peaceful
Black Ghost Knifefish & Kissing Gourami
Apteronotus albifrons · Helostoma temminckii
Black Ghost Knifefish: Semi-AggressiveKissing Gourami: Semi-Aggressive
Black Ghost Knifefish & Kiunga Blue Eye
Apteronotus albifrons · Kiunga ballochi
Black Ghost Knifefish: Semi-AggressiveKiunga Blue Eye: Peaceful
Black Ghost Knifefish & Knight Goby
Apteronotus albifrons · Stigmatogobius sadanundio
Black Ghost Knifefish: Semi-AggressiveKnight Goby: Semi-Aggressive
Black Ghost Knifefish & Koi
Apteronotus albifrons · Cyprinus rubrofuscus
Black Ghost Knifefish: Semi-AggressiveKoi: Peaceful
Black Ghost Knifefish & Kribensis
Apteronotus albifrons · Pelvicachromis pulcher
Black Ghost Knifefish: Semi-AggressiveKribensis: Semi-Aggressive
Black Ghost Knifefish & Kuhli Loach
Apteronotus albifrons · Pangio kuhlii
Black Ghost Knifefish: Semi-AggressiveKuhli Loach: Peaceful
Black Ghost Knifefish & Lacerda Cory C015
Apteronotus albifrons · Scleromystax lacerdai
Black Ghost Knifefish: Semi-AggressiveLacerda Cory C015: Peaceful
Black Ghost Knifefish & Lake Eacham Rainbowfish
Apteronotus albifrons · Melanotaenia eachamensis
Black Ghost Knifefish: Semi-AggressiveLake Eacham Rainbowfish: Peaceful
Black Ghost Knifefish & Lake Mbuta Rainbowfish
Apteronotus albifrons · Pelangia mbutaensis
Black Ghost Knifefish: Semi-AggressiveLake Mbuta Rainbowfish: Peaceful
Black Ghost Knifefish & Lake Tebera Rainbowfish
Apteronotus albifrons · Melanotaenia herbertaxelrodi
Black Ghost Knifefish: Semi-AggressiveLake Tebera Rainbowfish: Peaceful
Black Ghost Knifefish & Lake Wanam Rainbowfish
Apteronotus albifrons · Glossolepis wanamensis
Black Ghost Knifefish: Semi-AggressiveLake Wanam Rainbowfish: Peaceful
Black Ghost Knifefish & Largemouth Bass
Apteronotus albifrons · Micropterus salmoides
Black Ghost Knifefish: Semi-AggressiveLargemouth Bass: Aggressive
Black Ghost Knifefish & Largereye Lampeye Killifish
Apteronotus albifrons · Micropanchax macrophthalmus
Black Ghost Knifefish: Semi-AggressiveLargereye Lampeye Killifish: Peaceful
Black Ghost Knifefish & Least Killifish (Heterandria)
Apteronotus albifrons · Heterandria formosa
Black Ghost Knifefish: Semi-AggressiveLeast Killifish (Heterandria): Peaceful
Black Ghost Knifefish & Leggett's Rainbowfish
Apteronotus albifrons · Glossolepis leggetti
Black Ghost Knifefish: Semi-AggressiveLeggett's Rainbowfish: Peaceful