Slender Rainbowfish & Dwarf Rasbora
Melanotaenia gracilis · Boraras maculatus
Slender Rainbowfish: PeacefulDwarf Rasbora: Peaceful
Back to all fishesView full care guide
Slender Rainbowfish Tank Mates & Compatibility
Slender Rainbowfish
Melanotaenia gracilis
TemperamentPeaceful (2/10)
Adult Size8 cm
Temperature22–28°C
Water TypeFreshwater Only
Swim ZoneSurface, Mid-level
StockingSchool of 6+
Showing 241 - 264 of 735 Tank Mates
Possible with Caution
Slender Rainbowfish & Eastern Rainbowfish
Melanotaenia gracilis · Melanotaenia splendida
Slender Rainbowfish: PeacefulEastern Rainbowfish: Peaceful
Slender Rainbowfish & Electric Blue Crayfish
Melanotaenia gracilis · Procambarus alleni
Slender Rainbowfish: PeacefulElectric Blue Crayfish: Aggressive
Slender Rainbowfish & Electric Blue Hap
Melanotaenia gracilis · Sciaenochromis fryeri
Slender Rainbowfish: PeacefulElectric Blue Hap: Aggressive
Slender Rainbowfish & Electric Blue Johannii
Melanotaenia gracilis · Pseudotropheus johannii
Slender Rainbowfish: PeacefulElectric Blue Johannii: Aggressive
Slender Rainbowfish & Elongatus Cichlid (Pseudotropheus Elongatus)
Melanotaenia gracilis · Chindongo elongatus
Slender Rainbowfish: PeacefulElongatus Cichlid (Pseudotropheus Elongatus): Aggressive
Slender Rainbowfish & Ember Tetra
Melanotaenia gracilis · Hyphessobrycon amandae
Slender Rainbowfish: PeacefulEmber Tetra: Peaceful
Slender Rainbowfish & Emerald Dwarf Danio
Melanotaenia gracilis · Danio erythromicron
Slender Rainbowfish: PeacefulEmerald Dwarf Danio: Peaceful
Slender Rainbowfish & Emerald Eye Rasbora
Melanotaenia gracilis · Brevibora dorsiocellata
Slender Rainbowfish: PeacefulEmerald Eye Rasbora: Peaceful
Slender Rainbowfish & Emerald Green Cory
Melanotaenia gracilis · Corydoras splendens
Slender Rainbowfish: PeacefulEmerald Green Cory: Peaceful
Slender Rainbowfish & Emperor Snakehead
Melanotaenia gracilis · Channa marulioides
Slender Rainbowfish: PeacefulEmperor Snakehead: Highly Aggressive
Slender Rainbowfish & Emperor Tetra
Melanotaenia gracilis · Nematobrycon palmeri
Slender Rainbowfish: PeacefulEmperor Tetra: Peaceful
Slender Rainbowfish & Empire Gudgeon
Melanotaenia gracilis · Hypseleotris compressa
Slender Rainbowfish: PeacefulEmpire Gudgeon: Mostly Peaceful
Slender Rainbowfish & Endler's Livebearer
Melanotaenia gracilis · Poecilia wingei
Slender Rainbowfish: PeacefulEndler's Livebearer: Peaceful
Slender Rainbowfish & Espei Rasbora (Lambchop Rasbora)
Melanotaenia gracilis · Trigonostigma espei
Slender Rainbowfish: PeacefulEspei Rasbora (Lambchop Rasbora): Peaceful
Slender Rainbowfish & Exquisite Rainbowfish
Melanotaenia gracilis · Melanotaenia exquisita
Slender Rainbowfish: PeacefulExquisite Rainbowfish: Peaceful
Slender Rainbowfish & Fahaka Puffer
Melanotaenia gracilis · Tetraodon lineatus
Slender Rainbowfish: PeacefulFahaka Puffer: Highly Aggressive
Slender Rainbowfish & Fairy Cichlid (Brichardi)
Melanotaenia gracilis · Neolamprologus brichardi
Slender Rainbowfish: PeacefulFairy Cichlid (Brichardi): Aggressive
Slender Rainbowfish & False Glass Catfish
Melanotaenia gracilis · Kryptopterus macrocephalus
Slender Rainbowfish: PeacefulFalse Glass Catfish: Peaceful
Slender Rainbowfish & False Rummy-Nose Tetra
Melanotaenia gracilis · Petitella georgiae
Slender Rainbowfish: PeacefulFalse Rummy-Nose Tetra: Peaceful
Slender Rainbowfish & False Siamese Algae Eater (Stonelapping Minnow)
Melanotaenia gracilis · Garra cambodgiensis
Slender Rainbowfish: PeacefulFalse Siamese Algae Eater (Stonelapping Minnow): Semi-Aggressive
Slender Rainbowfish & Featherfin Cichlid
Melanotaenia gracilis · Cyathopharynx furcifer
Slender Rainbowfish: PeacefulFeatherfin Cichlid: Semi-Aggressive
Slender Rainbowfish & Featherfin Squeaker
Melanotaenia gracilis · Synodontis eupterus
Slender Rainbowfish: PeacefulFeatherfin Squeaker: Semi-Aggressive
Slender Rainbowfish & Festivum
Melanotaenia gracilis · Mesonauta festivus
Slender Rainbowfish: PeacefulFestivum: Mostly Peaceful