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 625 - 648 of 735 Tank Mates

New Guinea Rainbowfish & Snakehead Fighter

Melanotaenia affinis · Betta channoides

Possible with Caution

New Guinea Rainbowfish: PeacefulSnakehead Fighter: Peaceful

New Guinea Rainbowfish & Snowball Shrimp

Melanotaenia affinis · Neocaridina cf. zhangjiajiensis var. white

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulSnowball Shrimp: Peaceful

New Guinea Rainbowfish & Socolofi Cichlid (Pseudotropheus Socolofi)

Melanotaenia affinis · Chindongo socolofi

Possible with Caution

New Guinea Rainbowfish: PeacefulSocolofi Cichlid (Pseudotropheus Socolofi): Aggressive

New Guinea Rainbowfish & Sorong Rainbowfish

Melanotaenia affinis · Melanotaenia fredericki

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulSorong Rainbowfish: Peaceful

New Guinea Rainbowfish & Sparkling Gourami

Melanotaenia affinis · Trichopsis pumila

Possible with Caution

New Guinea Rainbowfish: PeacefulSparkling Gourami: Mostly Peaceful

New Guinea Rainbowfish & Spot Pangasius

Melanotaenia affinis · Pangasius larnaudii

Possible with Caution

New Guinea Rainbowfish: PeacefulSpot Pangasius: Mostly Peaceful

New Guinea Rainbowfish & Spotfin Goby Cichlid

Melanotaenia affinis · Tanganicodus irsacae

Possible with Caution

New Guinea Rainbowfish: PeacefulSpotfin Goby Cichlid: Semi-Aggressive

New Guinea Rainbowfish & Spotted Gar

Melanotaenia affinis · Lepisosteus oculatus

Possible with Caution

New Guinea Rainbowfish: PeacefulSpotted Gar: Semi-Aggressive

New Guinea Rainbowfish & Spotted Headstander

Melanotaenia affinis · Chilodus punctatus

Possible with Caution

New Guinea Rainbowfish: PeacefulSpotted Headstander: Peaceful

New Guinea Rainbowfish & Spotted Hillstream Loach

Melanotaenia affinis · Gastromyzon punctulatus

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulSpotted Hillstream Loach: Peaceful

New Guinea Rainbowfish & Spotted Rainbowfish

Melanotaenia affinis · Glossolepis maculosus

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulSpotted Rainbowfish: Peaceful

New Guinea Rainbowfish & Spotted Raphael Catfish

Melanotaenia affinis · Agamyxis pectinifrons

Possible with Caution

New Guinea Rainbowfish: PeacefulSpotted Raphael Catfish: Peaceful

New Guinea Rainbowfish & Spotted Rubberlip Pleco (L187a)

Melanotaenia affinis · Chaetostoma milesi

Possible with Caution

New Guinea Rainbowfish: PeacefulSpotted Rubberlip Pleco (L187a): Mostly Peaceful

New Guinea Rainbowfish & Starlight Bristlenose Pleco (L183)

Melanotaenia affinis · Ancistrus dolichopterus

Possible with Caution

New Guinea Rainbowfish: PeacefulStarlight Bristlenose Pleco (L183): Mostly Peaceful

New Guinea Rainbowfish & Steindachner Dwarf Cichlid

Melanotaenia affinis · Apistogramma steindachneri

Possible with Caution

New Guinea Rainbowfish: PeacefulSteindachner Dwarf Cichlid: Mostly Peaceful

New Guinea Rainbowfish & Sterba's Corydoras

Melanotaenia affinis · Corydoras sterbai

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulSterba's Corydoras: Peaceful

New Guinea Rainbowfish & Striped Raphael Catfish

Melanotaenia affinis · Platydoras armatulus

Possible with Caution

New Guinea Rainbowfish: PeacefulStriped Raphael Catfish: Peaceful

New Guinea Rainbowfish & Stripefin Eartheater

Melanotaenia affinis · Gymnogeophagus rhabdotus

Possible with Caution

New Guinea Rainbowfish: PeacefulStripefin Eartheater: Semi-Aggressive

New Guinea Rainbowfish & Sturgeon Catfish

Melanotaenia affinis · Platystomatichthys sturio

Possible with Caution

New Guinea Rainbowfish: PeacefulSturgeon Catfish: Semi-Aggressive

New Guinea Rainbowfish & Sulphur Crest Lithobates

Melanotaenia affinis · Otopharynx lithobates

Possible with Caution

New Guinea Rainbowfish: PeacefulSulphur Crest Lithobates: Semi-Aggressive

New Guinea Rainbowfish & Sumo Loach

Melanotaenia affinis · Schistura balteata

Possible with Caution

New Guinea Rainbowfish: PeacefulSumo Loach: Aggressive

New Guinea Rainbowfish & Sunset Hap

Melanotaenia affinis · Dimidiochromis strigatus

Possible with Caution

New Guinea Rainbowfish: PeacefulSunset Hap: Semi-Aggressive

New Guinea Rainbowfish & Sunset Platy (Variatus Platy)

Melanotaenia affinis · Xiphophorus variatus

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulSunset Platy (Variatus Platy): Peaceful

New Guinea Rainbowfish & Swordtail

Melanotaenia affinis · Xiphophorus hellerii

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulSwordtail: Mostly Peaceful