African Knifefish Tank Mates & Compatibility

African Knifefish

Xenomystus nigri

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TemperamentSemi-Aggressive (5/10)

Adult Size30 cm

Temperature23–28°C

Water TypeFreshwater Only

Swim ZoneMid-level, Bottom

StockingSolo or group

Stocking calculator

Compatible on paper, but will African 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 African Knifefish to the stocking calculator to check space, stocking pressure, and water needs before you add it.

African Knifefish

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Showing 1 - 24 of 404 Tank Mates

African Knifefish & Abei Puffer

Xenomystus nigri · Pao abei

Possible with Caution

African Knifefish: Semi-AggressiveAbei Puffer: Highly Aggressive

African Knifefish & Achara Catfish

Xenomystus nigri · Leiarius marmoratus

Possible with Caution

African Knifefish: Semi-AggressiveAchara Catfish: Semi-Aggressive

African Knifefish & Adolfo Cory

Xenomystus nigri · Corydoras adolfoi

Possible with Caution

African Knifefish: Semi-AggressiveAdolfo Cory: Peaceful

African Knifefish & Adonis Pleco

Xenomystus nigri · Acanthicus adonis

Possible with Caution

African Knifefish: Semi-AggressiveAdonis Pleco: Aggressive

African Knifefish & Aequidens Jenaro Herrera

Xenomystus nigri · Aequidens sp. 'Jenaro Herrera'

Possible with Caution

African Knifefish: Semi-AggressiveAequidens Jenaro Herrera: Semi-Aggressive

African Knifefish & Aequidens diadema (Diadem Cichlid)

Xenomystus nigri · Aequidens diadema

Possible with Caution

African Knifefish: Semi-AggressiveAequidens diadema (Diadem Cichlid): Semi-Aggressive

African Knifefish & Aequidens sp. Atabapo

Xenomystus nigri · Aequidens sp. Atabapo

Possible with Caution

African Knifefish: Semi-AggressiveAequidens sp. Atabapo: Semi-Aggressive

African Knifefish & Afra Cichlid

Xenomystus nigri · Cynotilapia afra

African Knifefish & African Arowana

Xenomystus nigri · Heterotis niloticus

Possible with Caution

African Knifefish: Semi-AggressiveAfrican Arowana: Mostly Peaceful

African Knifefish & African Butterfly Cichlid

Xenomystus nigri · Anomalochromis thomasi

Possible with Caution

African Knifefish: Semi-AggressiveAfrican Butterfly Cichlid: Mostly Peaceful

African Knifefish & African Butterfly Fish

Xenomystus nigri · Pantodon buchholzi

Possible with Caution

African Knifefish: Semi-AggressiveAfrican Butterfly Fish: Semi-Aggressive

African Knifefish & African Clawed Frog

Xenomystus nigri · Xenopus laevis

Possible with Caution

African Knifefish: Semi-AggressiveAfrican Clawed Frog: Aggressive

African Knifefish & African Dwarf Frog

Xenomystus nigri · Hymenochirus boettgeri

African Knifefish & African Jewel Cichlid

Xenomystus nigri · Hemichromis bimaculatus

Possible with Caution

African Knifefish: Semi-AggressiveAfrican Jewel Cichlid: Aggressive

African Knifefish & African Lungfish

Xenomystus nigri · Protopterus annectens

Possible with Caution

African Knifefish: Semi-AggressiveAfrican Lungfish: Highly Aggressive

African Knifefish & African Pike

Xenomystus nigri · Hepsetus odoe

Possible with Caution

African Knifefish: Semi-AggressiveAfrican Pike: Aggressive

African Knifefish & African Pipefish

Xenomystus nigri · Enneacampus ansorgii

Possible with Caution

African Knifefish: Semi-AggressiveAfrican Pipefish: Peaceful

African Knifefish & Agassiz Cory

Xenomystus nigri · Corydoras agassizii

Possible with Caution

African Knifefish: Semi-AggressiveAgassiz Cory: Peaceful

African Knifefish & Agassiz's Dwarf Cichlid

Xenomystus nigri · Apistogramma agassizii

Possible with Caution

African Knifefish: Semi-AggressiveAgassiz's Dwarf Cichlid: Semi-Aggressive

African Knifefish & Ajamaru Rainbowfish

Xenomystus nigri · Melanotaenia ajamaruensis

Possible with Caution

African Knifefish: Semi-AggressiveAjamaru Rainbowfish: Peaceful

African Knifefish & Allen's Rainbowfish

Xenomystus nigri · Chilatherina alleni

Possible with Caution

African Knifefish: Semi-AggressiveAllen's Rainbowfish: Peaceful

African Knifefish & Alligator Gar

Xenomystus nigri · Atractosteus spatula

Possible with Caution

African Knifefish: Semi-AggressiveAlligator Gar: Aggressive

African Knifefish & Alligator Pleco

Xenomystus nigri · Pterygoplichthys scrophus

Possible with Caution

African Knifefish: Semi-AggressiveAlligator Pleco: Mostly Peaceful

African Knifefish & Altolamprologus Calvus

Xenomystus nigri · Altolamprologus calvus