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Betta (Siamese Fighting Fish) Tank Mates & Compatibility

Betta (Siamese Fighting Fish)

Betta splendens

View full care guide
TemperamentSemi-Aggressive (5/10)
Adult Size7 cm
Temperature24–30°C
Water TypeFreshwater Only
Swim ZoneSurface, Mid-level
StockingSolo only
Showing 553 - 576 of 735 Tank Mates

Betta (Siamese Fighting Fish) & Red Phantom Tetra

Betta splendens · Hyphessobrycon sweglesi

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

Betta (Siamese Fighting Fish) & Red Rainbowfish

Betta splendens · Glossolepis incisus

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

Betta (Siamese Fighting Fish) & Red Striped Eartheater

Betta splendens · Geophagus surinamensis

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveRed Striped Eartheater: Mostly Peaceful

Betta (Siamese Fighting Fish) & Red Swamp Crayfish

Betta splendens · Procambarus clarkii

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveRed Swamp Crayfish: Highly Aggressive

Betta (Siamese Fighting Fish) & Red Tail Barracuda

Betta splendens · Acestrorhynchus falcatus

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

Betta (Siamese Fighting Fish) & Red Tailed Black Shark

Betta splendens · Epalzeorhynchos bicolor

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveRed Tailed Black Shark: Aggressive

Betta (Siamese Fighting Fish) & Red Tailed Redeye Puffer

Betta splendens · Carinotetraodon irrubesco

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveRed Tailed Redeye Puffer: Semi-Aggressive

Betta (Siamese Fighting Fish) & Red Terror (Festa's Cichlid)

Betta splendens · Mesoheros festae

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveRed Terror (Festa's Cichlid): Highly Aggressive

Betta (Siamese Fighting Fish) & Red Top Cobalt Cichlid

Betta splendens · Metriaclima greshakei

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveRed Top Cobalt Cichlid: Aggressive

Betta (Siamese Fighting Fish) & Red Tupfel Shrimp

Betta splendens · Caridina serrata

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveRed Tupfel Shrimp: Peaceful

Betta (Siamese Fighting Fish) & Red Zebra Cichlid (Cherry Red)

Betta splendens · Metriaclima estherae

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveRed Zebra Cichlid (Cherry Red): Aggressive

Betta (Siamese Fighting Fish) & Red-Bellied Piranha

Betta splendens · Pygocentrus nattereri

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveRed-Bellied Piranha: Aggressive

Betta (Siamese Fighting Fish) & Red-Finned Rainbowfish

Betta splendens · Melanotaenia rubripinnis

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

Betta (Siamese Fighting Fish) & Red-Tail Catfish

Betta splendens · Phractocephalus hemioliopterus

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

Betta (Siamese Fighting Fish) & Redbreast Sunfish

Betta splendens · Lepomis auritus

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveRedbreast Sunfish: Aggressive

Betta (Siamese Fighting Fish) & Redear Sunfish

Betta splendens · Lepomis microlophus

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveRedear Sunfish: Semi-Aggressive

Betta (Siamese Fighting Fish) & Redhead Cichlid

Betta splendens · Vieja melanura

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

Betta (Siamese Fighting Fish) & Redhead Severum

Betta splendens · Heros sp. Rotkeil

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveRedhead Severum: Semi-Aggressive

Betta (Siamese Fighting Fish) & Redline Rasbora

Betta splendens · Rasbora pauciperforata

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

Betta (Siamese Fighting Fish) & Redtail Splitfin

Betta splendens · Xenotoca eiseni

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveRedtail Splitfin: Semi-Aggressive

Betta (Siamese Fighting Fish) & Reedfish (Ropefish)

Betta splendens · Erpetoichthys calabaricus

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveReedfish (Ropefish): Mostly Peaceful

Betta (Siamese Fighting Fish) & Regan's Julie

Betta splendens · Julidochromis regani

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveRegan's Julie: Aggressive

Betta (Siamese Fighting Fish) & Reticulated Hillstream Loach

Betta splendens · Sewellia lineolata

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveReticulated Hillstream Loach: Mostly Peaceful

Betta (Siamese Fighting Fish) & Reticulated Stingray (Teacup Ray)

Betta splendens · Potamotrygon orbignyi

Possible with Caution
Betta (Siamese Fighting Fish): Semi-AggressiveReticulated Stingray (Teacup Ray): Mostly Peaceful