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 289 - 312 of 735 Tank Mates

Slender Rainbowfish & Freshwater Barracuda

Melanotaenia gracilis · Ctenolucius hujeta

Possible with Caution

Slender Rainbowfish: PeacefulFreshwater Barracuda: Semi-Aggressive

Slender Rainbowfish & Freshwater Flounder

Melanotaenia gracilis · Trinectes maculatus

Slender Rainbowfish & Freshwater Harlequin Shrimp (Sulawesi)

Melanotaenia gracilis · Caridina cf. spongicola

Possible with Caution

Slender Rainbowfish: PeacefulFreshwater Harlequin Shrimp (Sulawesi): Peaceful

Slender Rainbowfish & Freshwater Shark (Wallago)

Melanotaenia gracilis · Wallago attu

Possible with Caution

Slender Rainbowfish: PeacefulFreshwater Shark (Wallago): Highly Aggressive

Slender Rainbowfish & Freshwater Sole

Melanotaenia gracilis · Brachirus selheimi

Possible with Caution

Slender Rainbowfish: PeacefulFreshwater Sole: Mostly Peaceful

Slender Rainbowfish & Freshwater Toadfish (Prehistoric Monster Fish)

Melanotaenia gracilis · Thalassophryne amazonica

Possible with Caution

Slender Rainbowfish: PeacefulFreshwater Toadfish (Prehistoric Monster Fish): Aggressive

Slender Rainbowfish & Frogmouth Catfish

Melanotaenia gracilis · Chaca chaca

Possible with Caution

Slender Rainbowfish: PeacefulFrogmouth Catfish: Aggressive

Slender Rainbowfish & Frontosa

Melanotaenia gracilis · Cyphotilapia frontosa

Possible with Caution

Slender Rainbowfish: PeacefulFrontosa: Semi-Aggressive

Slender Rainbowfish & Fuelleborn's Cichlid

Melanotaenia gracilis · Labeotropheus fuelleborni

Possible with Caution

Slender Rainbowfish: PeacefulFuelleborn's Cichlid: Aggressive

Slender Rainbowfish & Gangetic Leaf Fish

Melanotaenia gracilis · Nandus nandus

Possible with Caution

Slender Rainbowfish: PeacefulGangetic Leaf Fish: Aggressive

Slender Rainbowfish & Gardner's Killifish

Melanotaenia gracilis · Fundulopanchax gardneri

Ideal Tank Mates

Slender Rainbowfish: PeacefulGardner's Killifish: Mostly Peaceful

Slender Rainbowfish & Garnet Tetra

Melanotaenia gracilis · Hemigrammus pulcher

Possible with Caution

Slender Rainbowfish: PeacefulGarnet Tetra: Peaceful

Slender Rainbowfish & Geophagus Orange Head Tapajos

Melanotaenia gracilis · Geophagus sp. 'Orange Head'

Ideal Tank Mates

Slender Rainbowfish: PeacefulGeophagus Orange Head Tapajos: Mostly Peaceful

Slender Rainbowfish & German Blue Ram

Melanotaenia gracilis · Mikrogeophagus ramirezi

Possible with Caution

Slender Rainbowfish: PeacefulGerman Blue Ram: Mostly Peaceful

Slender Rainbowfish & Gertrude's Spotted Blue-eye

Melanotaenia gracilis · Pseudomugil gertrudae

Ideal Tank Mates

Slender Rainbowfish: PeacefulGertrude's Spotted Blue-eye: Peaceful

Slender Rainbowfish & Ghost Shrimp

Melanotaenia gracilis · Palaemonetes paludosus

Ideal Tank Mates

Slender Rainbowfish: PeacefulGhost Shrimp: Peaceful

Slender Rainbowfish & Giant Danio

Melanotaenia gracilis · Devario aequipinnatus

Ideal Tank Mates

Slender Rainbowfish: PeacefulGiant Danio: Mostly Peaceful

Slender Rainbowfish & Giant Gourami

Melanotaenia gracilis · Osphronemus goramy

Possible with Caution

Slender Rainbowfish: PeacefulGiant Gourami: Semi-Aggressive

Slender Rainbowfish & Giant Whiptail Catfish

Melanotaenia gracilis · Proloricaria prolixa

Possible with Caution

Slender Rainbowfish: PeacefulGiant Whiptail Catfish: Peaceful

Slender Rainbowfish & Glass Bloodfin Tetra

Melanotaenia gracilis · Prionobrama filigera

Ideal Tank Mates

Slender Rainbowfish: PeacefulGlass Bloodfin Tetra: Peaceful

Slender Rainbowfish & Glass Catfish

Melanotaenia gracilis · Kryptopterus vitreolus

Possible with Caution

Slender Rainbowfish: PeacefulGlass Catfish: Peaceful

Slender Rainbowfish & Glowlight Danio

Melanotaenia gracilis · Danio choprae

Ideal Tank Mates

Slender Rainbowfish: PeacefulGlowlight Danio: Peaceful

Slender Rainbowfish & Glowlight Tetra

Melanotaenia gracilis · Hemigrammus erythrozonus

Possible with Caution

Slender Rainbowfish: PeacefulGlowlight Tetra: Peaceful

Slender Rainbowfish & Goby Pleco (Pitbull Pleco)

Melanotaenia gracilis · Parotocinclus jumbo

Possible with Caution

Slender Rainbowfish: PeacefulGoby Pleco (Pitbull Pleco): Peaceful