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

Showing 361 - 384 of 735 Tank Mates

Betta (Siamese Fighting Fish) & Jack Dempsey

Betta splendens · Rocio octofasciata

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveJack Dempsey: Aggressive

Betta (Siamese Fighting Fish) & Jaguar Cichlid

Betta splendens · Parachromis managuensis

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveJaguar Cichlid: Highly Aggressive

Betta (Siamese Fighting Fish) & Japanese Ricefish (Medaka)

Betta splendens · Oryzias latipes

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveJapanese Ricefish (Medaka): Peaceful

Betta (Siamese Fighting Fish) & Japen Rainbowfish

Betta splendens · Melanotaenia japenensis

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveJapen Rainbowfish: Peaceful

Betta (Siamese Fighting Fish) & Julii Corydoras (False Julii)

Betta splendens · Corydoras trilineatus

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveJulii Corydoras (False Julii): Peaceful

Betta (Siamese Fighting Fish) & Jurupari Eartheater

Betta splendens · Satanoperca jurupari

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveJurupari Eartheater: Mostly Peaceful

Betta (Siamese Fighting Fish) & Kamaka Rainbowfish

Betta splendens · Melanotaenia kamaka

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveKamaka Rainbowfish: Peaceful

Betta (Siamese Fighting Fish) & Kenyi Cichlid

Betta splendens · Maylandia lombardoi

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveKenyi Cichlid: Highly Aggressive

Betta (Siamese Fighting Fish) & Keyhole Cichlid

Betta splendens · Cleithracara maronii

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveKeyhole Cichlid: Peaceful

Betta (Siamese Fighting Fish) & Kissing Gourami

Betta splendens · Helostoma temminckii

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveKissing Gourami: Semi-Aggressive

Betta (Siamese Fighting Fish) & Kiunga Blue Eye

Betta splendens · Kiunga ballochi

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveKiunga Blue Eye: Peaceful

Betta (Siamese Fighting Fish) & Knight Goby

Betta splendens · Stigmatogobius sadanundio

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveKnight Goby: Semi-Aggressive

Betta (Siamese Fighting Fish) & Koi

Betta splendens · Cyprinus rubrofuscus

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveKoi: Peaceful

Betta (Siamese Fighting Fish) & Kribensis

Betta splendens · Pelvicachromis pulcher

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveKribensis: Semi-Aggressive

Betta (Siamese Fighting Fish) & Kuhli Loach

Betta splendens · Pangio kuhlii

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveKuhli Loach: Peaceful

Betta (Siamese Fighting Fish) & Lacerda Cory C015

Betta splendens · Scleromystax lacerdai

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveLacerda Cory C015: Peaceful

Betta (Siamese Fighting Fish) & Lake Eacham Rainbowfish

Betta splendens · Melanotaenia eachamensis

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveLake Eacham Rainbowfish: Peaceful

Betta (Siamese Fighting Fish) & Lake Mbuta Rainbowfish

Betta splendens · Pelangia mbutaensis

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveLake Mbuta Rainbowfish: Peaceful

Betta (Siamese Fighting Fish) & Lake Tebera Rainbowfish

Betta splendens · Melanotaenia herbertaxelrodi

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveLake Tebera Rainbowfish: Peaceful

Betta (Siamese Fighting Fish) & Lake Wanam Rainbowfish

Betta splendens · Glossolepis wanamensis

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveLake Wanam Rainbowfish: Peaceful

Betta (Siamese Fighting Fish) & Largemouth Bass

Betta splendens · Micropterus salmoides

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveLargemouth Bass: Aggressive

Betta (Siamese Fighting Fish) & Largereye Lampeye Killifish

Betta splendens · Micropanchax macrophthalmus

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveLargereye Lampeye Killifish: Peaceful

Betta (Siamese Fighting Fish) & Least Killifish (Heterandria)

Betta splendens · Heterandria formosa

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveLeast Killifish (Heterandria): Peaceful

Betta (Siamese Fighting Fish) & Leggett's Rainbowfish

Betta splendens · Glossolepis leggetti

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveLeggett's Rainbowfish: Peaceful