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 673 - 696 of 735 Tank Mates

New Guinea Rainbowfish & Tiger Shovelnose Catfish

Melanotaenia affinis · Pseudoplatystoma tigrinum

Possible with Caution

New Guinea Rainbowfish: PeacefulTiger Shovelnose Catfish: Semi-Aggressive

New Guinea Rainbowfish & Tiger Shrimp

Melanotaenia affinis · Caridina mariae

Possible with Caution

New Guinea Rainbowfish: PeacefulTiger Shrimp: Peaceful

New Guinea Rainbowfish & Tinfoil Barb

Melanotaenia affinis · Barbonymus schwanenfeldii

Possible with Caution

New Guinea Rainbowfish: PeacefulTinfoil Barb: Mostly Peaceful

New Guinea Rainbowfish & Tire Track Eel

Melanotaenia affinis · Mastacembelus armatus

Possible with Caution

New Guinea Rainbowfish: PeacefulTire Track Eel: Semi-Aggressive

New Guinea Rainbowfish & Trapdoor Snail

Melanotaenia affinis · Cipangopaludina chinensis

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulTrapdoor Snail: Peaceful

New Guinea Rainbowfish & Trewavas' Cichlid

Melanotaenia affinis · Labeotropheus trewavasae

Possible with Caution

New Guinea Rainbowfish: PeacefulTrewavas' Cichlid: Aggressive

New Guinea Rainbowfish & Trimac Cichlid

Melanotaenia affinis · Amphilophus trimaculatus

Possible with Caution

New Guinea Rainbowfish: PeacefulTrimac Cichlid: Highly Aggressive

New Guinea Rainbowfish & Tropheus Moorii

Melanotaenia affinis · Tropheus moorii

Possible with Caution

New Guinea Rainbowfish: PeacefulTropheus Moorii: Highly Aggressive

New Guinea Rainbowfish & Tropical Gar

Melanotaenia affinis · Atractosteus tropicus

Possible with Caution

New Guinea Rainbowfish: PeacefulTropical Gar: Aggressive

New Guinea Rainbowfish & Trout Cichlid (Champsochromis)

Melanotaenia affinis · Champsochromis caeruleus

Possible with Caution

New Guinea Rainbowfish: PeacefulTrout Cichlid (Champsochromis): Aggressive

New Guinea Rainbowfish & True Julii Corydoras

Melanotaenia affinis · Corydoras julii

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulTrue Julii Corydoras: Peaceful

New Guinea Rainbowfish & Turquoise Rainbowfish

Melanotaenia affinis · Melanotaenia lacustris

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulTurquoise Rainbowfish: Peaceful

New Guinea Rainbowfish & Twig Catfish

Melanotaenia affinis · Farlowella vittata

Possible with Caution

New Guinea Rainbowfish: PeacefulTwig Catfish: Peaceful

New Guinea Rainbowfish & Twig Catfish (Farlowella)

Melanotaenia affinis · Farlowella acus

Possible with Caution

New Guinea Rainbowfish: PeacefulTwig Catfish (Farlowella): Peaceful

New Guinea Rainbowfish & Two-spot Apistogramma

Melanotaenia affinis · Apistogramma rupununi

Possible with Caution

New Guinea Rainbowfish: PeacefulTwo-spot Apistogramma: Semi-Aggressive

New Guinea Rainbowfish & Uaru

Melanotaenia affinis · Uaru amphiacanthoides

Possible with Caution

New Guinea Rainbowfish: PeacefulUaru: Mostly Peaceful

New Guinea Rainbowfish & Upside Down Catfish

Melanotaenia affinis · Synodontis nigriventris

Possible with Caution

New Guinea Rainbowfish: PeacefulUpside Down Catfish: Peaceful

New Guinea Rainbowfish & Uruguayan Eartheater

Melanotaenia affinis · Gymnogeophagus australis

Possible with Caution

New Guinea Rainbowfish: PeacefulUruguayan Eartheater: Semi-Aggressive

New Guinea Rainbowfish & Vampire Shrimp

Melanotaenia affinis · Atya gabonensis

Possible with Caution

New Guinea Rainbowfish: PeacefulVampire Shrimp: Peaceful

New Guinea Rainbowfish & Venustus Cichlid (Giraffe Hap)

Melanotaenia affinis · Nimbochromis venustus

Possible with Caution

New Guinea Rainbowfish: PeacefulVenustus Cichlid (Giraffe Hap): Aggressive

New Guinea Rainbowfish & Vestitus Otocinclus

Melanotaenia affinis · Otocinclus vestitus

Possible with Caution

New Guinea Rainbowfish: PeacefulVestitus Otocinclus: Peaceful

New Guinea Rainbowfish & Vieja fenestrata

Melanotaenia affinis · Vieja fenestrata

Possible with Caution

New Guinea Rainbowfish: PeacefulVieja fenestrata: Aggressive

New Guinea Rainbowfish & Violet Goby (Dragon Goby)

Melanotaenia affinis · Gobioides broussonnetii

New Guinea Rainbowfish & Waigeo Rainbowfish

Melanotaenia affinis · Melanotaenia catherinae

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulWaigeo Rainbowfish: Peaceful