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 553 - 576 of 735 Tank Mates

Black Ghost Knifefish & Red Phantom Tetra

Apteronotus albifrons · Hyphessobrycon sweglesi

Black Ghost Knifefish & Red Rainbowfish

Apteronotus albifrons · Glossolepis incisus

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveRed Rainbowfish: Mostly Peaceful

Black Ghost Knifefish & Red Striped Eartheater

Apteronotus albifrons · Geophagus surinamensis

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveRed Striped Eartheater: Mostly Peaceful

Black Ghost Knifefish & Red Swamp Crayfish

Apteronotus albifrons · Procambarus clarkii

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveRed Swamp Crayfish: Highly Aggressive

Black Ghost Knifefish & Red Tail Barracuda

Apteronotus albifrons · Acestrorhynchus falcatus

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveRed Tail Barracuda: Aggressive

Black Ghost Knifefish & Red Tailed Black Shark

Apteronotus albifrons · Epalzeorhynchos bicolor

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveRed Tailed Black Shark: Aggressive

Black Ghost Knifefish & Red Tailed Redeye Puffer

Apteronotus albifrons · Carinotetraodon irrubesco

Black Ghost Knifefish & Red Terror (Festa's Cichlid)

Apteronotus albifrons · Mesoheros festae

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveRed Terror (Festa's Cichlid): Highly Aggressive

Black Ghost Knifefish & Red Top Cobalt Cichlid

Apteronotus albifrons · Metriaclima greshakei

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveRed Top Cobalt Cichlid: Aggressive

Black Ghost Knifefish & Red Tupfel Shrimp

Apteronotus albifrons · Caridina serrata

Black Ghost Knifefish & Red Zebra Cichlid (Cherry Red)

Apteronotus albifrons · Metriaclima estherae

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveRed Zebra Cichlid (Cherry Red): Aggressive

Black Ghost Knifefish & Red-Bellied Piranha

Apteronotus albifrons · Pygocentrus nattereri

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveRed-Bellied Piranha: Aggressive

Black Ghost Knifefish & Red-Finned Rainbowfish

Apteronotus albifrons · Melanotaenia rubripinnis

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveRed-Finned Rainbowfish: Peaceful

Black Ghost Knifefish & Red-Tail Catfish

Apteronotus albifrons · Phractocephalus hemioliopterus

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveRed-Tail Catfish: Aggressive

Black Ghost Knifefish & Redbreast Sunfish

Apteronotus albifrons · Lepomis auritus

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveRedbreast Sunfish: Aggressive

Black Ghost Knifefish & Redear Sunfish

Apteronotus albifrons · Lepomis microlophus

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveRedear Sunfish: Semi-Aggressive

Black Ghost Knifefish & Redhead Cichlid

Apteronotus albifrons · Vieja melanura

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveRedhead Cichlid: Aggressive

Black Ghost Knifefish & Redhead Severum

Apteronotus albifrons · Heros sp. Rotkeil

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveRedhead Severum: Semi-Aggressive

Black Ghost Knifefish & Redline Rasbora

Apteronotus albifrons · Rasbora pauciperforata

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveRedline Rasbora: Peaceful

Black Ghost Knifefish & Redtail Splitfin

Apteronotus albifrons · Xenotoca eiseni

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveRedtail Splitfin: Semi-Aggressive

Black Ghost Knifefish & Reedfish (Ropefish)

Apteronotus albifrons · Erpetoichthys calabaricus

Black Ghost Knifefish & Regan's Julie

Apteronotus albifrons · Julidochromis regani

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveRegan's Julie: Aggressive

Black Ghost Knifefish & Reticulated Hillstream Loach

Apteronotus albifrons · Sewellia lineolata

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveReticulated Hillstream Loach: Mostly Peaceful

Black Ghost Knifefish & Reticulated Stingray (Teacup Ray)

Apteronotus albifrons · Potamotrygon orbignyi

Possible with Caution

Black Ghost Knifefish: Semi-AggressiveReticulated Stingray (Teacup Ray): Mostly Peaceful