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 241 - 264 of 735 Tank Mates

New Guinea Rainbowfish & Dwarf Rasbora

Melanotaenia affinis · Boraras maculatus

Possible with Caution

New Guinea Rainbowfish: PeacefulDwarf Rasbora: Peaceful

New Guinea Rainbowfish & Eastern Rainbowfish

Melanotaenia affinis · Melanotaenia splendida

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulEastern Rainbowfish: Peaceful

New Guinea Rainbowfish & Electric Blue Crayfish

Melanotaenia affinis · Procambarus alleni

Possible with Caution

New Guinea Rainbowfish: PeacefulElectric Blue Crayfish: Aggressive

New Guinea Rainbowfish & Electric Blue Hap

Melanotaenia affinis · Sciaenochromis fryeri

Possible with Caution

New Guinea Rainbowfish: PeacefulElectric Blue Hap: Aggressive

New Guinea Rainbowfish & Electric Blue Johannii

Melanotaenia affinis · Pseudotropheus johannii

Possible with Caution

New Guinea Rainbowfish: PeacefulElectric Blue Johannii: Aggressive

New Guinea Rainbowfish & Elongatus Cichlid (Pseudotropheus Elongatus)

Melanotaenia affinis · Chindongo elongatus

Possible with Caution

New Guinea Rainbowfish: PeacefulElongatus Cichlid (Pseudotropheus Elongatus): Aggressive

New Guinea Rainbowfish & Ember Tetra

Melanotaenia affinis · Hyphessobrycon amandae

Possible with Caution

New Guinea Rainbowfish: PeacefulEmber Tetra: Peaceful

New Guinea Rainbowfish & Emerald Dwarf Danio

Melanotaenia affinis · Danio erythromicron

Possible with Caution

New Guinea Rainbowfish: PeacefulEmerald Dwarf Danio: Peaceful

New Guinea Rainbowfish & Emerald Eye Rasbora

Melanotaenia affinis · Brevibora dorsiocellata

Possible with Caution

New Guinea Rainbowfish: PeacefulEmerald Eye Rasbora: Peaceful

New Guinea Rainbowfish & Emerald Green Cory

Melanotaenia affinis · Corydoras splendens

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulEmerald Green Cory: Peaceful

New Guinea Rainbowfish & Emperor Snakehead

Melanotaenia affinis · Channa marulioides

Possible with Caution

New Guinea Rainbowfish: PeacefulEmperor Snakehead: Highly Aggressive

New Guinea Rainbowfish & Emperor Tetra

Melanotaenia affinis · Nematobrycon palmeri

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulEmperor Tetra: Peaceful

New Guinea Rainbowfish & Empire Gudgeon

Melanotaenia affinis · Hypseleotris compressa

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulEmpire Gudgeon: Mostly Peaceful

New Guinea Rainbowfish & Endler's Livebearer

Melanotaenia affinis · Poecilia wingei

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulEndler's Livebearer: Peaceful

New Guinea Rainbowfish & Espei Rasbora (Lambchop Rasbora)

Melanotaenia affinis · Trigonostigma espei

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulEspei Rasbora (Lambchop Rasbora): Peaceful

New Guinea Rainbowfish & Exquisite Rainbowfish

Melanotaenia affinis · Melanotaenia exquisita

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulExquisite Rainbowfish: Peaceful

New Guinea Rainbowfish & Fahaka Puffer

Melanotaenia affinis · Tetraodon lineatus

Possible with Caution

New Guinea Rainbowfish: PeacefulFahaka Puffer: Highly Aggressive

New Guinea Rainbowfish & Fairy Cichlid (Brichardi)

Melanotaenia affinis · Neolamprologus brichardi

Possible with Caution

New Guinea Rainbowfish: PeacefulFairy Cichlid (Brichardi): Aggressive

New Guinea Rainbowfish & False Glass Catfish

Melanotaenia affinis · Kryptopterus macrocephalus

Possible with Caution

New Guinea Rainbowfish: PeacefulFalse Glass Catfish: Peaceful

New Guinea Rainbowfish & False Rummy-Nose Tetra

Melanotaenia affinis · Petitella georgiae

Possible with Caution

New Guinea Rainbowfish: PeacefulFalse Rummy-Nose Tetra: Peaceful

New Guinea Rainbowfish & False Siamese Algae Eater (Stonelapping Minnow)

Melanotaenia affinis · Garra cambodgiensis

Possible with Caution

New Guinea Rainbowfish: PeacefulFalse Siamese Algae Eater (Stonelapping Minnow): Semi-Aggressive

New Guinea Rainbowfish & Featherfin Cichlid

Melanotaenia affinis · Cyathopharynx furcifer

Possible with Caution

New Guinea Rainbowfish: PeacefulFeatherfin Cichlid: Semi-Aggressive

New Guinea Rainbowfish & Featherfin Squeaker

Melanotaenia affinis · Synodontis eupterus

Possible with Caution

New Guinea Rainbowfish: PeacefulFeatherfin Squeaker: Semi-Aggressive

New Guinea Rainbowfish & Festivum

Melanotaenia affinis · Mesonauta festivus

Possible with Caution

New Guinea Rainbowfish: PeacefulFestivum: Mostly Peaceful