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 337 - 360 of 735 Tank Mates

New Guinea Rainbowfish & Gymnogeophagus meridionalis

Melanotaenia affinis · Gymnogeophagus meridionalis

Possible with Caution

New Guinea Rainbowfish: PeacefulGymnogeophagus meridionalis: Semi-Aggressive

New Guinea Rainbowfish & Half Banded Spiny Eel

Melanotaenia affinis · Macrognathus circumcinctus

Possible with Caution

New Guinea Rainbowfish: PeacefulHalf Banded Spiny Eel: Mostly Peaceful

New Guinea Rainbowfish & Haplochromis sp. 44 (Thick Skin)

Melanotaenia affinis · Haplochromis sp. 44

Possible with Caution

New Guinea Rainbowfish: PeacefulHaplochromis sp. 44 (Thick Skin): Aggressive

New Guinea Rainbowfish & Harlequin Rasbora

Melanotaenia affinis · Trigonostigma heteromorpha

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulHarlequin Rasbora: Peaceful

New Guinea Rainbowfish & Harlequin Shark

Melanotaenia affinis · Labeo variegatus

Possible with Caution

New Guinea Rainbowfish: PeacefulHarlequin Shark: Aggressive

New Guinea Rainbowfish & Head and Tail Light Tetra

Melanotaenia affinis · Hemigrammus ocellifer

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulHead and Tail Light Tetra: Peaceful

New Guinea Rainbowfish & Helicopter Catfish

Melanotaenia affinis · Wallagonia leerii

Possible with Caution

New Guinea Rainbowfish: PeacefulHelicopter Catfish: Highly Aggressive

New Guinea Rainbowfish & Hi Fin Peppered Cory

Melanotaenia affinis · Scleromystax macropterus

Possible with Caution

New Guinea Rainbowfish: PeacefulHi Fin Peppered Cory: Peaceful

New Guinea Rainbowfish & Highlands Rainbowfish

Melanotaenia affinis · Chilatherina campsi

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulHighlands Rainbowfish: Peaceful

New Guinea Rainbowfish & Hillstream Loach

Melanotaenia affinis · Beaufortia leveretti

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulHillstream Loach: Peaceful

New Guinea Rainbowfish & Honduran Red Point

Melanotaenia affinis · Amatitlania sp. 'Honduran Red Point'

Possible with Caution

New Guinea Rainbowfish: PeacefulHonduran Red Point: Semi-Aggressive

New Guinea Rainbowfish & Honey Blue Eye

Melanotaenia affinis · Pseudomugil mellis

Possible with Caution

New Guinea Rainbowfish: PeacefulHoney Blue Eye: Peaceful

New Guinea Rainbowfish & Honey Gourami

Melanotaenia affinis · Trichogaster chuna

Possible with Caution

New Guinea Rainbowfish: PeacefulHoney Gourami: Peaceful

New Guinea Rainbowfish & Hongsloi Apistogramma

Melanotaenia affinis · Apistogramma hongsloi

Possible with Caution

New Guinea Rainbowfish: PeacefulHongsloi Apistogramma: Semi-Aggressive

New Guinea Rainbowfish & Horei Cichlid

Melanotaenia affinis · Ctenochromis horei

Possible with Caution

New Guinea Rainbowfish: PeacefulHorei Cichlid: Aggressive

New Guinea Rainbowfish & Horned Nerite Snail

Melanotaenia affinis · Clithon corona

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulHorned Nerite Snail: Peaceful

New Guinea Rainbowfish & Humpbacked Limia

Melanotaenia affinis · Limia nigrofasciata

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulHumpbacked Limia: Peaceful

New Guinea Rainbowfish & Hystrix Stingray (Porcupine Ray)

Melanotaenia affinis · Potamotrygon hystrix

Possible with Caution

New Guinea Rainbowfish: PeacefulHystrix Stingray (Porcupine Ray): Semi-Aggressive

New Guinea Rainbowfish & Incolicana Corydoras

Melanotaenia affinis · Corydoras incolicana

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulIncolicana Corydoras: Peaceful

New Guinea Rainbowfish & Indian Glassfish

Melanotaenia affinis · Parambassis ranga

Possible with Caution

New Guinea Rainbowfish: PeacefulIndian Glassfish: Peaceful

New Guinea Rainbowfish & Indonesian Datnoid (Tiger Fish)

Melanotaenia affinis · Datnioides microlepis

Possible with Caution

New Guinea Rainbowfish: PeacefulIndonesian Datnoid (Tiger Fish): Semi-Aggressive

New Guinea Rainbowfish & Indonesian Giant Snakehead

Melanotaenia affinis · Channa micropeltes

Possible with Caution

New Guinea Rainbowfish: PeacefulIndonesian Giant Snakehead: Highly Aggressive

New Guinea Rainbowfish & Intermedius Cichlid

Melanotaenia affinis · Tramitichromis intermedius

Possible with Caution

New Guinea Rainbowfish: PeacefulIntermedius Cichlid: Semi-Aggressive

New Guinea Rainbowfish & Irian Jaya Rainbowfish

Melanotaenia affinis · Melanotaenia irianjaya

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulIrian Jaya Rainbowfish: Peaceful