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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 265 - 288 of 735 Tank Mates

New Guinea Rainbowfish & Fiddler Crab (Brackish)

Melanotaenia affinis · Uca sp.

Not Recommended
New Guinea Rainbowfish: PeacefulFiddler Crab (Brackish): Mostly Peaceful

New Guinea Rainbowfish & Figure 8 Puffer (Brackish)

Melanotaenia affinis · Dichotomyctere ocellatus

Not Recommended
New Guinea Rainbowfish: PeacefulFigure 8 Puffer (Brackish): Aggressive

New Guinea Rainbowfish & Filament Barb

Melanotaenia affinis · Dawkinsia filamentosa

Possible with Caution
New Guinea Rainbowfish: PeacefulFilament Barb: Mostly Peaceful

New Guinea Rainbowfish & Finger Fish

Melanotaenia affinis · Monodactylus argenteus

Not Recommended
New Guinea Rainbowfish: PeacefulFinger Fish: Semi-Aggressive

New Guinea Rainbowfish & Fire Eel

Melanotaenia affinis · Mastacembelus erythrotaenia

Possible with Caution
New Guinea Rainbowfish: PeacefulFire Eel: Mostly Peaceful

New Guinea Rainbowfish & Fire Tetra

Melanotaenia affinis · Hyphessobrycon flammeus

Ideal Tank Mates
New Guinea Rainbowfish: PeacefulFire Tetra: Peaceful

New Guinea Rainbowfish & Firemouth Cichlid

Melanotaenia affinis · Thorichthys meeki

Possible with Caution
New Guinea Rainbowfish: PeacefulFiremouth Cichlid: Semi-Aggressive

New Guinea Rainbowfish & Five Banded Barb

Melanotaenia affinis · Desmopuntius pentazona

Possible with Caution
New Guinea Rainbowfish: PeacefulFive Banded Barb: Peaceful

New Guinea Rainbowfish & Flag Tetra

Melanotaenia affinis · Hyphessobrycon heterorhabdus

Ideal Tank Mates
New Guinea Rainbowfish: PeacefulFlag Tetra: Peaceful

New Guinea Rainbowfish & Flagtail Cory (Mrs Schwartz's Cory)

Melanotaenia affinis · Corydoras robineae

Possible with Caution
New Guinea Rainbowfish: PeacefulFlagtail Cory (Mrs Schwartz's Cory): Peaceful

New Guinea Rainbowfish & Flagtail Prochilodus

Melanotaenia affinis · Semaprochilodus insignis

Possible with Caution
New Guinea Rainbowfish: PeacefulFlagtail Prochilodus: Semi-Aggressive

New Guinea Rainbowfish & Flash Pleco (L204)

Melanotaenia affinis · Panaqolus albomaculatus

Possible with Caution
New Guinea Rainbowfish: PeacefulFlash Pleco (L204): Mostly Peaceful

New Guinea Rainbowfish & Flavus Cichlid (Pseudotropheus Flavus)

Melanotaenia affinis · Chindongo flavus

Possible with Caution
New Guinea Rainbowfish: PeacefulFlavus Cichlid (Pseudotropheus Flavus): Aggressive

New Guinea Rainbowfish & Florida Flagfish

Melanotaenia affinis · Jordanella floridae

Possible with Caution
New Guinea Rainbowfish: PeacefulFlorida Flagfish: Semi-Aggressive

New Guinea Rainbowfish & Florida Gar

Melanotaenia affinis · Lepisosteus platyrhincus

Possible with Caution
New Guinea Rainbowfish: PeacefulFlorida Gar: Aggressive

New Guinea Rainbowfish & Flower Stingray

Melanotaenia affinis · Potamotrygon schroederi

Possible with Caution
New Guinea Rainbowfish: PeacefulFlower Stingray: Semi-Aggressive

New Guinea Rainbowfish & Flowerhorn Cichlid

Melanotaenia affinis · Hybrid cichlid (Amphilophus cross)

Possible with Caution
New Guinea Rainbowfish: PeacefulFlowerhorn Cichlid: Highly Aggressive

New Guinea Rainbowfish & Fly River Rainbowfish

Melanotaenia affinis · Melanotaenia sexlineata

Ideal Tank Mates
New Guinea Rainbowfish: PeacefulFly River Rainbowfish: Peaceful

New Guinea Rainbowfish & Flying Fox

Melanotaenia affinis · Epalzeorhynchos kalopterus

Possible with Caution
New Guinea Rainbowfish: PeacefulFlying Fox: Aggressive

New Guinea Rainbowfish & Flyspeck Hardyhead

Melanotaenia affinis · Craterocephalus stercusmuscarum

Ideal Tank Mates
New Guinea Rainbowfish: PeacefulFlyspeck Hardyhead: Peaceful

New Guinea Rainbowfish & Forktail Blue-eye

Melanotaenia affinis · Pseudomugil furcatus

Ideal Tank Mates
New Guinea Rainbowfish: PeacefulForktail Blue-eye: Peaceful

New Guinea Rainbowfish & Fort Maguire Peacock

Melanotaenia affinis · Aulonocara hansbaenschi

Possible with Caution
New Guinea Rainbowfish: PeacefulFort Maguire Peacock: Semi-Aggressive

New Guinea Rainbowfish & Fosso Cichlid (Fossorochromis rostratus)

Melanotaenia affinis · Fossorochromis rostratus

Possible with Caution
New Guinea Rainbowfish: PeacefulFosso Cichlid (Fossorochromis rostratus): Semi-Aggressive

New Guinea Rainbowfish & Freshwater Angelfish

Melanotaenia affinis · Pterophyllum scalare

Possible with Caution
New Guinea Rainbowfish: PeacefulFreshwater Angelfish: Semi-Aggressive