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 193 - 216 of 735 Tank Mates

Black Ghost Knifefish & Colombian Shark Catfish (Brackish)

Apteronotus albifrons · Ariopsis seemanni

Black Ghost Knifefish & Colombian Tetra

Apteronotus albifrons · Hyphessobrycon columbianus

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveColombian Tetra: Mostly Peaceful

Black Ghost Knifefish & Common Pleco

Apteronotus albifrons · Hypostomus plecostomus

Black Ghost Knifefish & Common Pleco (Amazon Sailfin)

Apteronotus albifrons · Pterygoplichthys pardalis

Black Ghost Knifefish & Common Synodontis (False Upside Down Catfish)

Apteronotus albifrons · Synodontis nigrita

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveCommon Synodontis (False Upside Down Catfish): Mostly Peaceful

Black Ghost Knifefish & Common Whiptail Catfish

Apteronotus albifrons · Rineloricaria eigenmanni

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveCommon Whiptail Catfish: Peaceful

Black Ghost Knifefish & Congo Bichir

Apteronotus albifrons · Polypterus endlicheri congicus

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveCongo Bichir: Aggressive

Black Ghost Knifefish & Congo Puffer (Potato Puffer)

Apteronotus albifrons · Tetraodon miurus

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveCongo Puffer (Potato Puffer): Highly Aggressive

Black Ghost Knifefish & Congo Tetra

Apteronotus albifrons · Phenacogrammus interruptus

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveCongo Tetra: Peaceful

Black Ghost Knifefish & Contradens Pleco (Snowball Variant)

Apteronotus albifrons · Hypancistrus contradens

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveContradens Pleco (Snowball Variant): Mostly Peaceful

Black Ghost Knifefish & Convict Cichlid

Apteronotus albifrons · Amatitlania nigrofasciata

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveConvict Cichlid: Aggressive

Black Ghost Knifefish & Copper Harlequin Rasbora

Apteronotus albifrons · Trigonostigma hengeli

Black Ghost Knifefish & Corona Rainbowfish

Apteronotus albifrons · Melanotaenia corona

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveCorona Rainbowfish: Peaceful

Black Ghost Knifefish & Crimsonspotted Rainbowfish

Apteronotus albifrons · Melanotaenia duboulayi

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveCrimsonspotted Rainbowfish: Peaceful

Black Ghost Knifefish & Crying Whiptail

Apteronotus albifrons · Loricaria sp. "Rio Atabapo"

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveCrying Whiptail: Peaceful

Black Ghost Knifefish & Cuban Cichlid

Apteronotus albifrons · Nandopsis tetracanthus

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveCuban Cichlid: Aggressive

Black Ghost Knifefish & Cuban Gar

Apteronotus albifrons · Atractosteus tristoechus

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveCuban Gar: Semi-Aggressive

Black Ghost Knifefish & Cuckoo Catfish

Apteronotus albifrons · Synodontis multipunctatus

Possible with Caution

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

Black Ghost Knifefish & Cupid Cichlid

Apteronotus albifrons · Biotodoma cupido

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveCupid Cichlid: Mostly Peaceful

Black Ghost Knifefish & Cutteri Cichlid

Apteronotus albifrons · Amatitlania cutteri

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveCutteri Cichlid: Aggressive

Black Ghost Knifefish & Cyprichromis Leptosoma

Apteronotus albifrons · Cyprichromis leptosoma

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveCyprichromis Leptosoma: Mostly Peaceful

Black Ghost Knifefish & Dainty Cory (Salt and Pepper Cory)

Apteronotus albifrons · Corydoras habrosus

Black Ghost Knifefish & Debauwi Catfish (Three-Striped Glass Catfish)

Apteronotus albifrons · Pareutropius buffei

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveDebauwi Catfish (Three-Striped Glass Catfish): Peaceful

Black Ghost Knifefish & Deep Water Hap (Placidochromis electra)

Apteronotus albifrons · Placidochromis electra

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveDeep Water Hap (Placidochromis electra): Semi-Aggressive