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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
Showing 97 - 120 of 735 Tank Mates

Betta (Siamese Fighting Fish) & Betta Smaragdina

Betta splendens · Betta smaragdina

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveBetta Smaragdina: Semi-Aggressive

Betta (Siamese Fighting Fish) & Black Acara

Betta splendens · Cichlasoma bimaculatum

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveBlack Acara: Semi-Aggressive

Betta (Siamese Fighting Fish) & Black Belt Cichlid

Betta splendens · Vieja maculicauda

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

Betta (Siamese Fighting Fish) & Black Bullhead Catfish

Betta splendens · Ameiurus melas

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

Betta (Siamese Fighting Fish) & Black Corydoras

Betta splendens · Corydoras schultzei

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveBlack Corydoras: Peaceful

Betta (Siamese Fighting Fish) & Black Diamond Cichlid

Betta splendens · Paratilapia polleni

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

Betta (Siamese Fighting Fish) & Black Fin Cory

Betta splendens · Corydoras leucomelas

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

Betta (Siamese Fighting Fish) & Black Ghost Knifefish

Betta splendens · Apteronotus albifrons

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

Betta (Siamese Fighting Fish) & Black Kuhli Loach

Betta splendens · Pangio oblonga

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveBlack Kuhli Loach: Peaceful

Betta (Siamese Fighting Fish) & Black Marble Hoplo

Betta splendens · Megalechis thoracata

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveBlack Marble Hoplo: Mostly Peaceful

Betta (Siamese Fighting Fish) & Black Neon Tetra

Betta splendens · Hyphessobrycon herbertaxelrodi

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveBlack Neon Tetra: Peaceful

Betta (Siamese Fighting Fish) & Black Ocellatus

Betta splendens · Lamprologus speciosus

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveBlack Ocellatus: Aggressive

Betta (Siamese Fighting Fish) & Black Pacu

Betta splendens · Colossoma macropomum

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveBlack Pacu: Mostly Peaceful

Betta (Siamese Fighting Fish) & Black Phantom Tetra

Betta splendens · Hyphessobrycon megalopterus

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveBlack Phantom Tetra: Peaceful

Betta (Siamese Fighting Fish) & Black Ruby Barb

Betta splendens · Pethia nigrofasciata

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveBlack Ruby Barb: Mostly Peaceful

Betta (Siamese Fighting Fish) & Black Skirt Tetra

Betta splendens · Gymnocorymbus ternetzi

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveBlack Skirt Tetra: Mostly Peaceful

Betta (Siamese Fighting Fish) & Black-Banded Rainbowfish

Betta splendens · Melanotaenia nigrans

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

Betta (Siamese Fighting Fish) & Blackline Rasbora

Betta splendens · Rasbora borapetensis

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveBlackline Rasbora: Peaceful

Betta (Siamese Fighting Fish) & Bladder Snail (Pest Snail)

Betta splendens · Physella acuta

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveBladder Snail (Pest Snail): Peaceful

Betta (Siamese Fighting Fish) & Bleeding Heart Tetra

Betta splendens · Hyphessobrycon erythrostigma

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveBleeding Heart Tetra: Peaceful

Betta (Siamese Fighting Fish) & Bleher's Rainbowfish

Betta splendens · Chilatherina bleheri

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

Betta (Siamese Fighting Fish) & Blind Cave Tetra

Betta splendens · Astyanax mexicanus

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveBlind Cave Tetra: Mostly Peaceful

Betta (Siamese Fighting Fish) & Blood Parrot Cichlid

Betta splendens · Hybrid cichlid (Blood Parrot)

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

Betta (Siamese Fighting Fish) & Bloodfin Tetra

Betta splendens · Aphyocharax anisitsi

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveBloodfin Tetra: Peaceful