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Betta (Siamese Fighting Fish) Tank Mates & Compatibility

Betta (Siamese Fighting Fish)

Betta splendens

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TemperamentSemi-Aggressive (5/10)
Adult Size7 cm
Temperature24–30°C
Water TypeFreshwater Only
Swim ZoneSurface, Mid-level
StockingSolo only
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Compatible on paper, but will Betta (Siamese Fighting Fish) 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 Betta (Siamese Fighting Fish) to the stocking calculator to check space, stocking pressure, and water needs before you add it.

Betta (Siamese Fighting Fish)
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Showing 1 - 24 of 735 Tank Mates

Betta (Siamese Fighting Fish) & Kabia rainbowfish

Betta splendens · Glossolepis kabia

Possible with Caution
Betta (Siamese Fighting Fish): Semi-Aggressive Kabia rainbowfish: Peaceful

Betta (Siamese Fighting Fish) & Abei Puffer

Betta splendens · Pao abei

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveAbei Puffer: Highly Aggressive

Betta (Siamese Fighting Fish) & Achara Catfish

Betta splendens · Leiarius marmoratus

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveAchara Catfish: Semi-Aggressive

Betta (Siamese Fighting Fish) & Adolfo Cory

Betta splendens · Corydoras adolfoi

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveAdolfo Cory: Peaceful

Betta (Siamese Fighting Fish) & Adonis Pleco

Betta splendens · Acanthicus adonis

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveAdonis Pleco: Aggressive

Betta (Siamese Fighting Fish) & Aequidens Jenaro Herrera

Betta splendens · Aequidens sp. 'Jenaro Herrera'

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveAequidens Jenaro Herrera: Semi-Aggressive

Betta (Siamese Fighting Fish) & Aequidens diadema (Diadem Cichlid)

Betta splendens · Aequidens diadema

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveAequidens diadema (Diadem Cichlid): Semi-Aggressive

Betta (Siamese Fighting Fish) & Aequidens sp. Atabapo

Betta splendens · Aequidens sp. Atabapo

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveAequidens sp. Atabapo: Semi-Aggressive

Betta (Siamese Fighting Fish) & Afra Cichlid

Betta splendens · Cynotilapia afra

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveAfra Cichlid: Aggressive

Betta (Siamese Fighting Fish) & African Arowana

Betta splendens · Heterotis niloticus

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveAfrican Arowana: Mostly Peaceful

Betta (Siamese Fighting Fish) & African Butterfly Cichlid

Betta splendens · Anomalochromis thomasi

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveAfrican Butterfly Cichlid: Mostly Peaceful

Betta (Siamese Fighting Fish) & African Butterfly Fish

Betta splendens · Pantodon buchholzi

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveAfrican Butterfly Fish: Semi-Aggressive

Betta (Siamese Fighting Fish) & African Clawed Frog

Betta splendens · Xenopus laevis

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveAfrican Clawed Frog: Aggressive

Betta (Siamese Fighting Fish) & African Dwarf Frog

Betta splendens · Hymenochirus boettgeri

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveAfrican Dwarf Frog: Peaceful

Betta (Siamese Fighting Fish) & African Jewel Cichlid

Betta splendens · Hemichromis bimaculatus

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveAfrican Jewel Cichlid: Aggressive

Betta (Siamese Fighting Fish) & African Knifefish

Betta splendens · Xenomystus nigri

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveAfrican Knifefish: Semi-Aggressive

Betta (Siamese Fighting Fish) & African Lungfish

Betta splendens · Protopterus annectens

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveAfrican Lungfish: Highly Aggressive

Betta (Siamese Fighting Fish) & African Pike

Betta splendens · Hepsetus odoe

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveAfrican Pike: Aggressive

Betta (Siamese Fighting Fish) & African Pipefish

Betta splendens · Enneacampus ansorgii

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveAfrican Pipefish: Peaceful

Betta (Siamese Fighting Fish) & Agassiz Cory

Betta splendens · Corydoras agassizii

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveAgassiz Cory: Peaceful

Betta (Siamese Fighting Fish) & Agassiz's Dwarf Cichlid

Betta splendens · Apistogramma agassizii

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveAgassiz's Dwarf Cichlid: Semi-Aggressive

Betta (Siamese Fighting Fish) & Ajamaru Rainbowfish

Betta splendens · Melanotaenia ajamaruensis

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveAjamaru Rainbowfish: Peaceful

Betta (Siamese Fighting Fish) & Allen's Rainbowfish

Betta splendens · Chilatherina alleni

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveAllen's Rainbowfish: Peaceful

Betta (Siamese Fighting Fish) & Alligator Gar

Betta splendens · Atractosteus spatula

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveAlligator Gar: Aggressive