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 313 - 336 of 735 Tank Mates

New Guinea Rainbowfish & Gold Barb

Melanotaenia affinis · Barbodes semifasciolatus

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulGold Barb: Peaceful

New Guinea Rainbowfish & Gold Laser Cory

Melanotaenia affinis · Corydoras sp. 'CW010'

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulGold Laser Cory: Peaceful

New Guinea Rainbowfish & Gold Nugget Pleco (L018)

Melanotaenia affinis · Baryancistrus xanthellus

Possible with Caution

New Guinea Rainbowfish: PeacefulGold Nugget Pleco (L018): Semi-Aggressive

New Guinea Rainbowfish & Gold Spot Pleco (L001 / L022)

Melanotaenia affinis · Pterygoplichthys joselimaianus

Possible with Caution

New Guinea Rainbowfish: PeacefulGold Spot Pleco (L001 / L022): Mostly Peaceful

New Guinea Rainbowfish & Gold Tetra

Melanotaenia affinis · Hemigrammus rodwayi

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulGold Tetra: Peaceful

New Guinea Rainbowfish & Golden Bristlenose Pleco

Melanotaenia affinis · Ancistrus sp. L144

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulGolden Bristlenose Pleco: Peaceful

New Guinea Rainbowfish & Golden Dwarf Barb

Melanotaenia affinis · Pethia gelius

Possible with Caution

New Guinea Rainbowfish: PeacefulGolden Dwarf Barb: Peaceful

New Guinea Rainbowfish & Golden Dwarf Cichlid

Melanotaenia affinis · Nannacara anomala

Possible with Caution

New Guinea Rainbowfish: PeacefulGolden Dwarf Cichlid: Mostly Peaceful

New Guinea Rainbowfish & Golden Julie

Melanotaenia affinis · Julidochromis ornatus

Possible with Caution

New Guinea Rainbowfish: PeacefulGolden Julie: Semi-Aggressive

New Guinea Rainbowfish & Golden Oto

Melanotaenia affinis · Macrotocinclus affinis

Possible with Caution

New Guinea Rainbowfish: PeacefulGolden Oto: Peaceful

New Guinea Rainbowfish & Golden Wonder Killifish

Melanotaenia affinis · Aplocheilus lineatus

Possible with Caution

New Guinea Rainbowfish: PeacefulGolden Wonder Killifish: Semi-Aggressive

New Guinea Rainbowfish & Goldfish (Comet / Common)

Melanotaenia affinis · Carassius auratus

Possible with Caution

New Guinea Rainbowfish: PeacefulGoldfish (Comet / Common): Peaceful

New Guinea Rainbowfish & Goldie River Rainbowfish

Melanotaenia affinis · Melanotaenia goldiei

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulGoldie River Rainbowfish: Peaceful

New Guinea Rainbowfish & Grant's Peacock Cichlid

Melanotaenia affinis · Aulonocara stuartgranti

Possible with Caution

New Guinea Rainbowfish: PeacefulGrant's Peacock Cichlid: Semi-Aggressive

New Guinea Rainbowfish & Green Fire Tetra

Melanotaenia affinis · Aphyocharax rathbuni

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulGreen Fire Tetra: Peaceful

New Guinea Rainbowfish & Green Neon Tetra

Melanotaenia affinis · Paracheirodon simulans

Possible with Caution

New Guinea Rainbowfish: PeacefulGreen Neon Tetra: Peaceful

New Guinea Rainbowfish & Green Phantom Pleco (L200)

Melanotaenia affinis · Hemiancistrus subviridis

Possible with Caution

New Guinea Rainbowfish: PeacefulGreen Phantom Pleco (L200): Semi-Aggressive

New Guinea Rainbowfish & Green Spotted Puffer (Brackish)

Melanotaenia affinis · Dichotomyctere nigroviridis

New Guinea Rainbowfish & Green Sunfish

Melanotaenia affinis · Lepomis cyanellus

Possible with Caution

New Guinea Rainbowfish: PeacefulGreen Sunfish: Highly Aggressive

New Guinea Rainbowfish & Green Terror

Melanotaenia affinis · Andinoacara rivulatus

Possible with Caution

New Guinea Rainbowfish: PeacefulGreen Terror: Aggressive

New Guinea Rainbowfish & Grime Rainbowfish

Melanotaenia affinis · Glossolepis dorityi

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulGrime Rainbowfish: Peaceful

New Guinea Rainbowfish & Guinean Bichir

Melanotaenia affinis · Polypterus ansorgii

Possible with Caution

New Guinea Rainbowfish: PeacefulGuinean Bichir: Semi-Aggressive

New Guinea Rainbowfish & Gulper Catfish

Melanotaenia affinis · Asterophysus batrachus

Possible with Caution

New Guinea Rainbowfish: PeacefulGulper Catfish: Semi-Aggressive

New Guinea Rainbowfish & Guppy

Melanotaenia affinis · Poecilia reticulata

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulGuppy: Peaceful