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 145 - 168 of 735 Tank Mates

New Guinea Rainbowfish & Buccochromis lepturus

Melanotaenia affinis · Buccochromis lepturus

Possible with Caution

New Guinea Rainbowfish: PeacefulBuccochromis lepturus: Semi-Aggressive

New Guinea Rainbowfish & Buccochromis rhoadesii

Melanotaenia affinis · Buccochromis rhoadesii

Possible with Caution

New Guinea Rainbowfish: PeacefulBuccochromis rhoadesii: Aggressive

New Guinea Rainbowfish & Bucktooth Tetra (Exodon)

Melanotaenia affinis · Exodon paradoxus

Possible with Caution

New Guinea Rainbowfish: PeacefulBucktooth Tetra (Exodon): Highly Aggressive

New Guinea Rainbowfish & Buenos Aires Tetra

Melanotaenia affinis · Hyphessobrycon anisitsi

Possible with Caution

New Guinea Rainbowfish: PeacefulBuenos Aires Tetra: Semi-Aggressive

New Guinea Rainbowfish & Buettikoferi Bichir

Melanotaenia affinis · Polypterus palmas buettikoferi

Possible with Caution

New Guinea Rainbowfish: PeacefulBuettikoferi Bichir: Semi-Aggressive

New Guinea Rainbowfish & Buffalo Head Cichlid

Melanotaenia affinis · Steatocranus casuarius

Possible with Caution

New Guinea Rainbowfish: PeacefulBuffalo Head Cichlid: Semi-Aggressive

New Guinea Rainbowfish & Bullseye Catfish

Melanotaenia affinis · Horabagrus brachysoma

Possible with Caution

New Guinea Rainbowfish: PeacefulBullseye Catfish: Semi-Aggressive

New Guinea Rainbowfish & Bullseye Snakehead

Melanotaenia affinis · Channa marulius

Possible with Caution

New Guinea Rainbowfish: PeacefulBullseye Snakehead: Highly Aggressive

New Guinea Rainbowfish & Bulolo Rainbowfish

Melanotaenia affinis · Chilatherina bulolo

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulBulolo Rainbowfish: Peaceful

New Guinea Rainbowfish & Bumblebee Catfish (South American)

Melanotaenia affinis · Microglanis iheringi

Possible with Caution

New Guinea Rainbowfish: PeacefulBumblebee Catfish (South American): Mostly Peaceful

New Guinea Rainbowfish & Bumblebee Cichlid

Melanotaenia affinis · Pseudotropheus crabro

Possible with Caution

New Guinea Rainbowfish: PeacefulBumblebee Cichlid: Aggressive

New Guinea Rainbowfish & Bumblebee Goby (Brackish)

Melanotaenia affinis · Brachygobius xanthozonus

New Guinea Rainbowfish & Butterfly Goodeid

Melanotaenia affinis · Ameca splendens

Possible with Caution

New Guinea Rainbowfish: PeacefulButterfly Goodeid: Semi-Aggressive

New Guinea Rainbowfish & Butterfly Peacock Cichlid

Melanotaenia affinis · Aulonocara jacobfreibergi

Possible with Caution

New Guinea Rainbowfish: PeacefulButterfly Peacock Cichlid: Semi-Aggressive

New Guinea Rainbowfish & Butterfly Pleco (L168)

Melanotaenia affinis · Dekeyseria brachyura

Possible with Caution

New Guinea Rainbowfish: PeacefulButterfly Pleco (L168): Peaceful

New Guinea Rainbowfish & Cairns Rainbowfish

Melanotaenia affinis · Cairnsichthys rhombosomoides

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulCairns Rainbowfish: Peaceful

New Guinea Rainbowfish & Candy Striped Pleco (L015)

Melanotaenia affinis · Peckoltia vittata

Possible with Caution

New Guinea Rainbowfish: PeacefulCandy Striped Pleco (L015): Mostly Peaceful

New Guinea Rainbowfish & Cardinal Shrimp (Sulawesi)

Melanotaenia affinis · Caridina dennerli

Possible with Caution

New Guinea Rainbowfish: PeacefulCardinal Shrimp (Sulawesi): Peaceful

New Guinea Rainbowfish & Cardinal Tetra

Melanotaenia affinis · Paracheirodon axelrodi

Possible with Caution

New Guinea Rainbowfish: PeacefulCardinal Tetra: Peaceful

New Guinea Rainbowfish & Celebes Halfbeak

Melanotaenia affinis · Nomorhamphus liemi

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulCelebes Halfbeak: Mostly Peaceful

New Guinea Rainbowfish & Celebes Rainbowfish

Melanotaenia affinis · Marosatherina ladigesi

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulCelebes Rainbowfish: Peaceful

New Guinea Rainbowfish & Celestial Pearl Danio (Galaxy Rasbora)

Melanotaenia affinis · Danio margaritatus

Possible with Caution

New Guinea Rainbowfish: PeacefulCelestial Pearl Danio (Galaxy Rasbora): Peaceful

New Guinea Rainbowfish & Ceylon Puffer (Brackish)

Melanotaenia affinis · Dichotomyctere fluviatilis

New Guinea Rainbowfish & Chanchito

Melanotaenia affinis · Australoheros facetus

Possible with Caution

New Guinea Rainbowfish: PeacefulChanchito: Semi-Aggressive