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 241 - 264 of 735 Tank Mates

Betta (Siamese Fighting Fish) & Eastern Rainbowfish

Betta splendens · Melanotaenia splendida

Possible with Caution

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

Betta (Siamese Fighting Fish) & Electric Blue Crayfish

Betta splendens · Procambarus alleni

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveElectric Blue Crayfish: Aggressive

Betta (Siamese Fighting Fish) & Electric Blue Hap

Betta splendens · Sciaenochromis fryeri

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveElectric Blue Hap: Aggressive

Betta (Siamese Fighting Fish) & Electric Blue Johannii

Betta splendens · Pseudotropheus johannii

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveElectric Blue Johannii: Aggressive

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

Betta splendens · Chindongo elongatus

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveElongatus Cichlid (Pseudotropheus Elongatus): Aggressive

Betta (Siamese Fighting Fish) & Ember Tetra

Betta splendens · Hyphessobrycon amandae

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveEmber Tetra: Peaceful

Betta (Siamese Fighting Fish) & Emerald Dwarf Danio

Betta splendens · Danio erythromicron

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveEmerald Dwarf Danio: Peaceful

Betta (Siamese Fighting Fish) & Emerald Eye Rasbora

Betta splendens · Brevibora dorsiocellata

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveEmerald Eye Rasbora: Peaceful

Betta (Siamese Fighting Fish) & Emerald Green Cory

Betta splendens · Corydoras splendens

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveEmerald Green Cory: Peaceful

Betta (Siamese Fighting Fish) & Emperor Snakehead

Betta splendens · Channa marulioides

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveEmperor Snakehead: Highly Aggressive

Betta (Siamese Fighting Fish) & Emperor Tetra

Betta splendens · Nematobrycon palmeri

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveEmperor Tetra: Peaceful

Betta (Siamese Fighting Fish) & Empire Gudgeon

Betta splendens · Hypseleotris compressa

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveEmpire Gudgeon: Mostly Peaceful

Betta (Siamese Fighting Fish) & Endler's Livebearer

Betta splendens · Poecilia wingei

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveEndler's Livebearer: Peaceful

Betta (Siamese Fighting Fish) & Espei Rasbora (Lambchop Rasbora)

Betta splendens · Trigonostigma espei

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveEspei Rasbora (Lambchop Rasbora): Peaceful

Betta (Siamese Fighting Fish) & Exquisite Rainbowfish

Betta splendens · Melanotaenia exquisita

Possible with Caution

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

Betta (Siamese Fighting Fish) & Fahaka Puffer

Betta splendens · Tetraodon lineatus

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveFahaka Puffer: Highly Aggressive

Betta (Siamese Fighting Fish) & Fairy Cichlid (Brichardi)

Betta splendens · Neolamprologus brichardi

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveFairy Cichlid (Brichardi): Aggressive

Betta (Siamese Fighting Fish) & False Glass Catfish

Betta splendens · Kryptopterus macrocephalus

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveFalse Glass Catfish: Peaceful

Betta (Siamese Fighting Fish) & False Rummy-Nose Tetra

Betta splendens · Petitella georgiae

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveFalse Rummy-Nose Tetra: Peaceful

Betta (Siamese Fighting Fish) & False Siamese Algae Eater (Stonelapping Minnow)

Betta splendens · Garra cambodgiensis

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveFalse Siamese Algae Eater (Stonelapping Minnow): Semi-Aggressive

Betta (Siamese Fighting Fish) & Featherfin Cichlid

Betta splendens · Cyathopharynx furcifer

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveFeatherfin Cichlid: Semi-Aggressive

Betta (Siamese Fighting Fish) & Featherfin Squeaker

Betta splendens · Synodontis eupterus

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveFeatherfin Squeaker: Semi-Aggressive

Betta (Siamese Fighting Fish) & Festivum

Betta splendens · Mesonauta festivus

Possible with Caution

Betta (Siamese Fighting Fish): Semi-AggressiveFestivum: Mostly Peaceful

Betta (Siamese Fighting Fish) & Fiddler Crab (Brackish)

Betta splendens · Uca sp.