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

Stocking calculator

Compatible on paper, but will Black Ghost Knifefish fit your setup?

Tank mates can still go wrong if the tank is too small, already full, or the water is a poor match. Add Black Ghost Knifefish to the stocking calculator to check space, stocking pressure, and water needs before you add it.

Black Ghost Knifefish

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Showing 1 - 24 of 735 Tank Mates

Black Ghost Knifefish & Kabia rainbowfish

Apteronotus albifrons · Glossolepis kabia

Possible with Caution

Black Ghost Knifefish: Semi-Aggressive Kabia rainbowfish: Peaceful

Black Ghost Knifefish & Abei Puffer

Apteronotus albifrons · Pao abei

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveAbei Puffer: Highly Aggressive

Black Ghost Knifefish & Achara Catfish

Apteronotus albifrons · Leiarius marmoratus

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveAchara Catfish: Semi-Aggressive

Black Ghost Knifefish & Adolfo Cory

Apteronotus albifrons · Corydoras adolfoi

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveAdolfo Cory: Peaceful

Black Ghost Knifefish & Adonis Pleco

Apteronotus albifrons · Acanthicus adonis

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveAdonis Pleco: Aggressive

Black Ghost Knifefish & Aequidens Jenaro Herrera

Apteronotus albifrons · Aequidens sp. 'Jenaro Herrera'

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveAequidens Jenaro Herrera: Semi-Aggressive

Black Ghost Knifefish & Aequidens diadema (Diadem Cichlid)

Apteronotus albifrons · Aequidens diadema

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveAequidens diadema (Diadem Cichlid): Semi-Aggressive

Black Ghost Knifefish & Aequidens sp. Atabapo

Apteronotus albifrons · Aequidens sp. Atabapo

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveAequidens sp. Atabapo: Semi-Aggressive

Black Ghost Knifefish & Afra Cichlid

Apteronotus albifrons · Cynotilapia afra

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveAfra Cichlid: Aggressive

Black Ghost Knifefish & African Arowana

Apteronotus albifrons · Heterotis niloticus

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveAfrican Arowana: Mostly Peaceful

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 Clawed Frog

Apteronotus albifrons · Xenopus laevis

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveAfrican Clawed Frog: Aggressive

Black Ghost Knifefish & African Dwarf Frog

Apteronotus albifrons · Hymenochirus boettgeri

Black Ghost Knifefish & African Jewel Cichlid

Apteronotus albifrons · Hemichromis bimaculatus

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveAfrican Jewel Cichlid: Aggressive

Black Ghost Knifefish & African Knifefish

Apteronotus albifrons · Xenomystus nigri

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveAfrican Knifefish: Semi-Aggressive

Black Ghost Knifefish & African Lungfish

Apteronotus albifrons · Protopterus annectens

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveAfrican Lungfish: Highly Aggressive

Black Ghost Knifefish & African Pike

Apteronotus albifrons · Hepsetus odoe

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveAfrican Pike: Aggressive

Black Ghost Knifefish & African Pipefish

Apteronotus albifrons · Enneacampus ansorgii

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveAfrican Pipefish: Peaceful

Black Ghost Knifefish & Agassiz Cory

Apteronotus albifrons · Corydoras agassizii

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveAgassiz Cory: Peaceful

Black Ghost Knifefish & Agassiz's Dwarf Cichlid

Apteronotus albifrons · Apistogramma agassizii

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveAgassiz's Dwarf Cichlid: Semi-Aggressive

Black Ghost Knifefish & Ajamaru Rainbowfish

Apteronotus albifrons · Melanotaenia ajamaruensis

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveAjamaru Rainbowfish: Peaceful

Black Ghost Knifefish & Allen's Rainbowfish

Apteronotus albifrons · Chilatherina alleni

Possible with Caution

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

Black Ghost Knifefish & Alligator Gar

Apteronotus albifrons · Atractosteus spatula

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveAlligator Gar: Aggressive