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Slender Rainbowfish Tank Mates & Compatibility

Slender Rainbowfish

Melanotaenia gracilis

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TemperamentPeaceful (2/10)
Adult Size8 cm
Temperature22–28°C
Water TypeFreshwater Only
Swim ZoneSurface, Mid-level
StockingSchool of 6+
Showing 505 - 528 of 735 Tank Mates

Slender Rainbowfish & Pearl Eartheater

Melanotaenia gracilis · Geophagus brasiliensis

Possible with Caution
Slender Rainbowfish: PeacefulPearl Eartheater: Semi-Aggressive

Slender Rainbowfish & Pearl Gourami

Melanotaenia gracilis · Trichopodus leerii

Possible with Caution
Slender Rainbowfish: PeacefulPearl Gourami: Mostly Peaceful

Slender Rainbowfish & Pearly Ocellatus

Melanotaenia gracilis · Neolamprologus stappersi

Possible with Caution
Slender Rainbowfish: PeacefulPearly Ocellatus: Aggressive

Slender Rainbowfish & Penguin Tetra

Melanotaenia gracilis · Thayeria boehlkei

Ideal Tank Mates
Slender Rainbowfish: PeacefulPenguin Tetra: Peaceful

Slender Rainbowfish & Peppered Corydoras

Melanotaenia gracilis · Corydoras paleatus

Ideal Tank Mates
Slender Rainbowfish: PeacefulPeppered Corydoras: Peaceful

Slender Rainbowfish & Peppermint Pleco

Melanotaenia gracilis · Parancistrus nudiventris

Possible with Caution
Slender Rainbowfish: PeacefulPeppermint Pleco: Mostly Peaceful

Slender Rainbowfish & Peter's Elephantnose Fish

Melanotaenia gracilis · Gnathonemus petersii

Possible with Caution
Slender Rainbowfish: PeacefulPeter's Elephantnose Fish: Mostly Peaceful

Slender Rainbowfish & Petricola Catfish

Melanotaenia gracilis · Synodontis petricola

Ideal Tank Mates
Slender Rainbowfish: PeacefulPetricola Catfish: Peaceful

Slender Rainbowfish & Phuket Loach

Melanotaenia gracilis · Schistura robertsi

Possible with Caution
Slender Rainbowfish: PeacefulPhuket Loach: Semi-Aggressive

Slender Rainbowfish & Pictus Catfish

Melanotaenia gracilis · Pimelodus pictus

Ideal Tank Mates
Slender Rainbowfish: PeacefulPictus Catfish: Mostly Peaceful

Slender Rainbowfish & Pike Cichlid (Xingu)

Melanotaenia gracilis · Crenicichla sp. Xingu

Possible with Caution
Slender Rainbowfish: PeacefulPike Cichlid (Xingu): Highly Aggressive

Slender Rainbowfish & Pink Tailed Chalceus

Melanotaenia gracilis · Chalceus macrolepidotus

Possible with Caution
Slender Rainbowfish: PeacefulPink Tailed Chalceus: Semi-Aggressive

Slender Rainbowfish & Piraiba

Melanotaenia gracilis · Brachyplatystoma filamentosum

Possible with Caution
Slender Rainbowfish: PeacefulPiraiba: Aggressive

Slender Rainbowfish & Plain Silver Dollar

Melanotaenia gracilis · Metynnis hypsauchen

Possible with Caution
Slender Rainbowfish: PeacefulPlain Silver Dollar: Peaceful

Slender Rainbowfish & Platinum Acara

Melanotaenia gracilis · Andinoacara latifrons

Possible with Caution
Slender Rainbowfish: PeacefulPlatinum Acara: Semi-Aggressive

Slender Rainbowfish & Platinum Hatchet

Melanotaenia gracilis · Thoracocharax stellatus

Possible with Caution
Slender Rainbowfish: PeacefulPlatinum Hatchet: Peaceful

Slender Rainbowfish & Platy

Melanotaenia gracilis · Xiphophorus maculatus

Ideal Tank Mates
Slender Rainbowfish: PeacefulPlaty: Peaceful

Slender Rainbowfish & Polypterus Bichir Lapradei

Melanotaenia gracilis · Polypterus bichir lapradei

Possible with Caution
Slender Rainbowfish: PeacefulPolypterus Bichir Lapradei: Semi-Aggressive

Slender Rainbowfish & Popondetta Blue-eye

Melanotaenia gracilis · Pseudomugil connieae

Ideal Tank Mates
Slender Rainbowfish: PeacefulPopondetta Blue-eye: Peaceful

Slender Rainbowfish & Port Acara

Melanotaenia gracilis · Cichlasoma portalegrense

Possible with Caution
Slender Rainbowfish: PeacefulPort Acara: Semi-Aggressive

Slender Rainbowfish & Price's Rainbowfish

Melanotaenia gracilis · Chilatherina pricei

Ideal Tank Mates
Slender Rainbowfish: PeacefulPrice's Rainbowfish: Peaceful

Slender Rainbowfish & Prionotos Cory (Scleromystax)

Melanotaenia gracilis · Scleromystax prionotos

Possible with Caution
Slender Rainbowfish: PeacefulPrionotos Cory (Scleromystax): Peaceful

Slender Rainbowfish & Pseudotropheus Acei

Melanotaenia gracilis · Pseudotropheus acei

Possible with Caution
Slender Rainbowfish: PeacefulPseudotropheus Acei: Mostly Peaceful

Slender Rainbowfish & Pseudotropheus sp. Kingsizei

Melanotaenia gracilis · Metriaclima pulpican

Possible with Caution
Slender Rainbowfish: PeacefulPseudotropheus sp. Kingsizei: Aggressive