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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 649 - 672 of 735 Tank Mates

New Guinea Rainbowfish & Tailbar Cichlid

Melanotaenia affinis · Vieja hartwegi

Possible with Caution
New Guinea Rainbowfish: PeacefulTailbar Cichlid: Aggressive

New Guinea Rainbowfish & Taiwan Reef Cichlid

Melanotaenia affinis · Protomelas sp. "Steveni Taiwan"

Possible with Caution
New Guinea Rainbowfish: PeacefulTaiwan Reef Cichlid: Semi-Aggressive

New Guinea Rainbowfish & Tambraparni Barb

Melanotaenia affinis · Puntius tambraparniei

Ideal Tank Mates
New Guinea Rainbowfish: PeacefulTambraparni Barb: Mostly Peaceful

New Guinea Rainbowfish & Tami River Rainbowfish

Melanotaenia affinis · Glossolepis pseudoincisus

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

New Guinea Rainbowfish & Tandanus Catfish

Melanotaenia affinis · Tandanus tandanus

Ideal Tank Mates
New Guinea Rainbowfish: PeacefulTandanus Catfish: Mostly Peaceful

New Guinea Rainbowfish & Tanganyikan Clown Cichlid (Eretmodus)

Melanotaenia affinis · Eretmodus cyanostictus

Possible with Caution
New Guinea Rainbowfish: PeacefulTanganyikan Clown Cichlid (Eretmodus): Aggressive

New Guinea Rainbowfish & Teacup Stingray (Common Freshwater Ray)

Melanotaenia affinis · Potamotrygon laticeps

Possible with Caution
New Guinea Rainbowfish: PeacefulTeacup Stingray (Common Freshwater Ray): Semi-Aggressive

New Guinea Rainbowfish & Telmatochromis brichardi

Melanotaenia affinis · Telmatochromis brichardi

Possible with Caution
New Guinea Rainbowfish: PeacefulTelmatochromis brichardi: Semi-Aggressive

New Guinea Rainbowfish & Telmatochromis dhonti

Melanotaenia affinis · Telmatochromis dhonti

Possible with Caution
New Guinea Rainbowfish: PeacefulTelmatochromis dhonti: Aggressive

New Guinea Rainbowfish & Tequila Splitfin

Melanotaenia affinis · Zoogoneticus tequila

Possible with Caution
New Guinea Rainbowfish: PeacefulTequila Splitfin: Semi-Aggressive

New Guinea Rainbowfish & Teugelsi Bichir

Melanotaenia affinis · Polypterus teugelsi

Possible with Caution
New Guinea Rainbowfish: PeacefulTeugelsi Bichir: Semi-Aggressive

New Guinea Rainbowfish & Texas Cichlid

Melanotaenia affinis · Herichthys cyanoguttatus

Possible with Caution
New Guinea Rainbowfish: PeacefulTexas Cichlid: Aggressive

New Guinea Rainbowfish & Thai Micro Crab

Melanotaenia affinis · Limnopilos naiyanetri

Possible with Caution
New Guinea Rainbowfish: PeacefulThai Micro Crab: Peaceful

New Guinea Rainbowfish & Thinbar Datnoid

Melanotaenia affinis · Datnioides undecimradiatus

Possible with Caution
New Guinea Rainbowfish: PeacefulThinbar Datnoid: Semi-Aggressive

New Guinea Rainbowfish & Threadfin Acara

Melanotaenia affinis · Acarichthys heckelii

Ideal Tank Mates
New Guinea Rainbowfish: PeacefulThreadfin Acara: Mostly Peaceful

New Guinea Rainbowfish & Threadfin Rainbowfish

Melanotaenia affinis · Iriatherina werneri

Possible with Caution
New Guinea Rainbowfish: PeacefulThreadfin Rainbowfish: Peaceful

New Guinea Rainbowfish & Three Spot Gourami (Blue/Gold/Opaline)

Melanotaenia affinis · Trichopodus trichopterus

Possible with Caution
New Guinea Rainbowfish: PeacefulThree Spot Gourami (Blue/Gold/Opaline): Semi-Aggressive

New Guinea Rainbowfish & Three-Spot Torpedo Hap

Melanotaenia affinis · Exochochromis anagenys

Possible with Caution
New Guinea Rainbowfish: PeacefulThree-Spot Torpedo Hap: Semi-Aggressive

New Guinea Rainbowfish & Three-striped Dwarf Cichlid

Melanotaenia affinis · Apistogramma trifasciata

Possible with Caution
New Guinea Rainbowfish: PeacefulThree-striped Dwarf Cichlid: Mostly Peaceful

New Guinea Rainbowfish & Tiger Barb

Melanotaenia affinis · Puntigrus tetrazona

Possible with Caution
New Guinea Rainbowfish: PeacefulTiger Barb: Semi-Aggressive

New Guinea Rainbowfish & Tiger Danio

Melanotaenia affinis · Devario maetaengensis

Ideal Tank Mates
New Guinea Rainbowfish: PeacefulTiger Danio: Peaceful

New Guinea Rainbowfish & Tiger Loach

Melanotaenia affinis · Syncrossus hymenophysa

Possible with Caution
New Guinea Rainbowfish: PeacefulTiger Loach: Aggressive

New Guinea Rainbowfish & Tiger Muskie

Melanotaenia affinis · Esox masquinongy x lucius

Possible with Caution
New Guinea Rainbowfish: PeacefulTiger Muskie: Highly Aggressive

New Guinea Rainbowfish & Tiger Pleco (L002)

Melanotaenia affinis · Panaqolus sp. L002

Possible with Caution
New Guinea Rainbowfish: PeacefulTiger Pleco (L002): Mostly Peaceful