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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 265 - 288 of 735 Tank Mates

Betta (Siamese Fighting Fish) & Figure 8 Puffer (Brackish)

Betta splendens · Dichotomyctere ocellatus

Not Recommended
Betta (Siamese Fighting Fish): Semi-AggressiveFigure 8 Puffer (Brackish): Aggressive

Betta (Siamese Fighting Fish) & Filament Barb

Betta splendens · Dawkinsia filamentosa

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

Betta (Siamese Fighting Fish) & Finger Fish

Betta splendens · Monodactylus argenteus

Not Recommended
Betta (Siamese Fighting Fish): Semi-AggressiveFinger Fish: Semi-Aggressive

Betta (Siamese Fighting Fish) & Fire Eel

Betta splendens · Mastacembelus erythrotaenia

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveFire Eel: Mostly Peaceful

Betta (Siamese Fighting Fish) & Fire Tetra

Betta splendens · Hyphessobrycon flammeus

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

Betta (Siamese Fighting Fish) & Firemouth Cichlid

Betta splendens · Thorichthys meeki

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

Betta (Siamese Fighting Fish) & Five Banded Barb

Betta splendens · Desmopuntius pentazona

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveFive Banded Barb: Peaceful

Betta (Siamese Fighting Fish) & Flag Tetra

Betta splendens · Hyphessobrycon heterorhabdus

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

Betta (Siamese Fighting Fish) & Flagtail Cory (Mrs Schwartz's Cory)

Betta splendens · Corydoras robineae

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveFlagtail Cory (Mrs Schwartz's Cory): Peaceful

Betta (Siamese Fighting Fish) & Flagtail Prochilodus

Betta splendens · Semaprochilodus insignis

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveFlagtail Prochilodus: Semi-Aggressive

Betta (Siamese Fighting Fish) & Flash Pleco (L204)

Betta splendens · Panaqolus albomaculatus

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveFlash Pleco (L204): Mostly Peaceful

Betta (Siamese Fighting Fish) & Flavus Cichlid (Pseudotropheus Flavus)

Betta splendens · Chindongo flavus

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveFlavus Cichlid (Pseudotropheus Flavus): Aggressive

Betta (Siamese Fighting Fish) & Florida Flagfish

Betta splendens · Jordanella floridae

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveFlorida Flagfish: Semi-Aggressive

Betta (Siamese Fighting Fish) & Florida Gar

Betta splendens · Lepisosteus platyrhincus

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

Betta (Siamese Fighting Fish) & Flower Stingray

Betta splendens · Potamotrygon schroederi

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveFlower Stingray: Semi-Aggressive

Betta (Siamese Fighting Fish) & Flowerhorn Cichlid

Betta splendens · Hybrid cichlid (Amphilophus cross)

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

Betta (Siamese Fighting Fish) & Fly River Rainbowfish

Betta splendens · Melanotaenia sexlineata

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

Betta (Siamese Fighting Fish) & Flying Fox

Betta splendens · Epalzeorhynchos kalopterus

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveFlying Fox: Aggressive

Betta (Siamese Fighting Fish) & Flyspeck Hardyhead

Betta splendens · Craterocephalus stercusmuscarum

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveFlyspeck Hardyhead: Peaceful

Betta (Siamese Fighting Fish) & Forktail Blue-eye

Betta splendens · Pseudomugil furcatus

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveForktail Blue-eye: Peaceful

Betta (Siamese Fighting Fish) & Fort Maguire Peacock

Betta splendens · Aulonocara hansbaenschi

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveFort Maguire Peacock: Semi-Aggressive

Betta (Siamese Fighting Fish) & Fosso Cichlid (Fossorochromis rostratus)

Betta splendens · Fossorochromis rostratus

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveFosso Cichlid (Fossorochromis rostratus): Semi-Aggressive

Betta (Siamese Fighting Fish) & Freshwater Angelfish

Betta splendens · Pterophyllum scalare

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveFreshwater Angelfish: Semi-Aggressive

Betta (Siamese Fighting Fish) & Freshwater Barracuda

Betta splendens · Ctenolucius hujeta

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveFreshwater Barracuda: Semi-Aggressive