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

Stocking calculator

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