New Guinea Rainbowfish Tank Mates & Compatibility

New Guinea Rainbowfish

Melanotaenia affinis

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TemperamentPeaceful (2/10)

Adult Size11.5 cm

Temperature22–28°C

Water TypeFreshwater Only

Swim ZoneMid-level, Surface

StockingSchool of 6+

Showing 289 - 312 of 735 Tank Mates

New Guinea Rainbowfish & Freshwater Barracuda

Melanotaenia affinis · Ctenolucius hujeta

Possible with Caution

New Guinea Rainbowfish: PeacefulFreshwater Barracuda: Semi-Aggressive

New Guinea Rainbowfish & Freshwater Flounder

Melanotaenia affinis · Trinectes maculatus

New Guinea Rainbowfish & Freshwater Harlequin Shrimp (Sulawesi)

Melanotaenia affinis · Caridina cf. spongicola

Possible with Caution

New Guinea Rainbowfish: PeacefulFreshwater Harlequin Shrimp (Sulawesi): Peaceful

New Guinea Rainbowfish & Freshwater Shark (Wallago)

Melanotaenia affinis · Wallago attu

Possible with Caution

New Guinea Rainbowfish: PeacefulFreshwater Shark (Wallago): Highly Aggressive

New Guinea Rainbowfish & Freshwater Sole

Melanotaenia affinis · Brachirus selheimi

Possible with Caution

New Guinea Rainbowfish: PeacefulFreshwater Sole: Mostly Peaceful

New Guinea Rainbowfish & Freshwater Toadfish (Prehistoric Monster Fish)

Melanotaenia affinis · Thalassophryne amazonica

Possible with Caution

New Guinea Rainbowfish: PeacefulFreshwater Toadfish (Prehistoric Monster Fish): Aggressive

New Guinea Rainbowfish & Frogmouth Catfish

Melanotaenia affinis · Chaca chaca

Possible with Caution

New Guinea Rainbowfish: PeacefulFrogmouth Catfish: Aggressive

New Guinea Rainbowfish & Frontosa

Melanotaenia affinis · Cyphotilapia frontosa

Possible with Caution

New Guinea Rainbowfish: PeacefulFrontosa: Semi-Aggressive

New Guinea Rainbowfish & Fuelleborn's Cichlid

Melanotaenia affinis · Labeotropheus fuelleborni

Possible with Caution

New Guinea Rainbowfish: PeacefulFuelleborn's Cichlid: Aggressive

New Guinea Rainbowfish & Gangetic Leaf Fish

Melanotaenia affinis · Nandus nandus

Possible with Caution

New Guinea Rainbowfish: PeacefulGangetic Leaf Fish: Aggressive

New Guinea Rainbowfish & Gardner's Killifish

Melanotaenia affinis · Fundulopanchax gardneri

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulGardner's Killifish: Mostly Peaceful

New Guinea Rainbowfish & Garnet Tetra

Melanotaenia affinis · Hemigrammus pulcher

Possible with Caution

New Guinea Rainbowfish: PeacefulGarnet Tetra: Peaceful

New Guinea Rainbowfish & Geophagus Orange Head Tapajos

Melanotaenia affinis · Geophagus sp. 'Orange Head'

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulGeophagus Orange Head Tapajos: Mostly Peaceful

New Guinea Rainbowfish & German Blue Ram

Melanotaenia affinis · Mikrogeophagus ramirezi

Possible with Caution

New Guinea Rainbowfish: PeacefulGerman Blue Ram: Mostly Peaceful

New Guinea Rainbowfish & Gertrude's Spotted Blue-eye

Melanotaenia affinis · Pseudomugil gertrudae

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulGertrude's Spotted Blue-eye: Peaceful

New Guinea Rainbowfish & Ghost Shrimp

Melanotaenia affinis · Palaemonetes paludosus

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulGhost Shrimp: Peaceful

New Guinea Rainbowfish & Giant Danio

Melanotaenia affinis · Devario aequipinnatus

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulGiant Danio: Mostly Peaceful

New Guinea Rainbowfish & Giant Gourami

Melanotaenia affinis · Osphronemus goramy

Possible with Caution

New Guinea Rainbowfish: PeacefulGiant Gourami: Semi-Aggressive

New Guinea Rainbowfish & Giant Whiptail Catfish

Melanotaenia affinis · Proloricaria prolixa

Possible with Caution

New Guinea Rainbowfish: PeacefulGiant Whiptail Catfish: Peaceful

New Guinea Rainbowfish & Glass Bloodfin Tetra

Melanotaenia affinis · Prionobrama filigera

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulGlass Bloodfin Tetra: Peaceful

New Guinea Rainbowfish & Glass Catfish

Melanotaenia affinis · Kryptopterus vitreolus

Possible with Caution

New Guinea Rainbowfish: PeacefulGlass Catfish: Peaceful

New Guinea Rainbowfish & Glowlight Danio

Melanotaenia affinis · Danio choprae

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulGlowlight Danio: Peaceful

New Guinea Rainbowfish & Glowlight Tetra

Melanotaenia affinis · Hemigrammus erythrozonus

Possible with Caution

New Guinea Rainbowfish: PeacefulGlowlight Tetra: Peaceful

New Guinea Rainbowfish & Goby Pleco (Pitbull Pleco)

Melanotaenia affinis · Parotocinclus jumbo

Possible with Caution

New Guinea Rainbowfish: PeacefulGoby Pleco (Pitbull Pleco): Peaceful