New Guinea Rainbowfish & Iridescent Shark
Melanotaenia affinis · Pangasianodon hypophthalmus
New Guinea Rainbowfish: PeacefulIridescent Shark: Mostly Peaceful
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New Guinea Rainbowfish Tank Mates & Compatibility
New Guinea Rainbowfish
Melanotaenia affinis
TemperamentPeaceful (2/10)
Adult Size11.5 cm
Temperature22–28°C
Water TypeFreshwater Only
Swim ZoneMid-level, Surface
StockingSchool of 6+
Showing 361 - 384 of 735 Tank Mates
Possible with Caution
New Guinea Rainbowfish & Jack Dempsey
Melanotaenia affinis · Rocio octofasciata
New Guinea Rainbowfish: PeacefulJack Dempsey: Aggressive
New Guinea Rainbowfish & Jaguar Cichlid
Melanotaenia affinis · Parachromis managuensis
New Guinea Rainbowfish: PeacefulJaguar Cichlid: Highly Aggressive
New Guinea Rainbowfish & Japanese Ricefish (Medaka)
Melanotaenia affinis · Oryzias latipes
New Guinea Rainbowfish: PeacefulJapanese Ricefish (Medaka): Peaceful
New Guinea Rainbowfish & Japen Rainbowfish
Melanotaenia affinis · Melanotaenia japenensis
New Guinea Rainbowfish: PeacefulJapen Rainbowfish: Peaceful
New Guinea Rainbowfish & Julii Corydoras (False Julii)
Melanotaenia affinis · Corydoras trilineatus
New Guinea Rainbowfish: PeacefulJulii Corydoras (False Julii): Peaceful
New Guinea Rainbowfish & Jurupari Eartheater
Melanotaenia affinis · Satanoperca jurupari
New Guinea Rainbowfish: PeacefulJurupari Eartheater: Mostly Peaceful
New Guinea Rainbowfish & Kamaka Rainbowfish
Melanotaenia affinis · Melanotaenia kamaka
New Guinea Rainbowfish: PeacefulKamaka Rainbowfish: Peaceful
New Guinea Rainbowfish & Kenyi Cichlid
Melanotaenia affinis · Maylandia lombardoi
New Guinea Rainbowfish: PeacefulKenyi Cichlid: Highly Aggressive
New Guinea Rainbowfish & Keyhole Cichlid
Melanotaenia affinis · Cleithracara maronii
New Guinea Rainbowfish: PeacefulKeyhole Cichlid: Peaceful
New Guinea Rainbowfish & Kissing Gourami
Melanotaenia affinis · Helostoma temminckii
New Guinea Rainbowfish: PeacefulKissing Gourami: Semi-Aggressive
New Guinea Rainbowfish & Kiunga Blue Eye
Melanotaenia affinis · Kiunga ballochi
New Guinea Rainbowfish: PeacefulKiunga Blue Eye: Peaceful
New Guinea Rainbowfish & Knight Goby
Melanotaenia affinis · Stigmatogobius sadanundio
New Guinea Rainbowfish: PeacefulKnight Goby: Semi-Aggressive
New Guinea Rainbowfish & Koi
Melanotaenia affinis · Cyprinus rubrofuscus
New Guinea Rainbowfish: PeacefulKoi: Peaceful
New Guinea Rainbowfish & Kribensis
Melanotaenia affinis · Pelvicachromis pulcher
New Guinea Rainbowfish: PeacefulKribensis: Semi-Aggressive
New Guinea Rainbowfish & Kuhli Loach
Melanotaenia affinis · Pangio kuhlii
New Guinea Rainbowfish: PeacefulKuhli Loach: Peaceful
New Guinea Rainbowfish & Lacerda Cory C015
Melanotaenia affinis · Scleromystax lacerdai
New Guinea Rainbowfish: PeacefulLacerda Cory C015: Peaceful
New Guinea Rainbowfish & Lake Eacham Rainbowfish
Melanotaenia affinis · Melanotaenia eachamensis
New Guinea Rainbowfish: PeacefulLake Eacham Rainbowfish: Peaceful
New Guinea Rainbowfish & Lake Mbuta Rainbowfish
Melanotaenia affinis · Pelangia mbutaensis
New Guinea Rainbowfish: PeacefulLake Mbuta Rainbowfish: Peaceful
New Guinea Rainbowfish & Lake Tebera Rainbowfish
Melanotaenia affinis · Melanotaenia herbertaxelrodi
New Guinea Rainbowfish: PeacefulLake Tebera Rainbowfish: Peaceful
New Guinea Rainbowfish & Lake Wanam Rainbowfish
Melanotaenia affinis · Glossolepis wanamensis
New Guinea Rainbowfish: PeacefulLake Wanam Rainbowfish: Peaceful
New Guinea Rainbowfish & Largemouth Bass
Melanotaenia affinis · Micropterus salmoides
New Guinea Rainbowfish: PeacefulLargemouth Bass: Aggressive
New Guinea Rainbowfish & Largereye Lampeye Killifish
Melanotaenia affinis · Micropanchax macrophthalmus
New Guinea Rainbowfish: PeacefulLargereye Lampeye Killifish: Peaceful
New Guinea Rainbowfish & Least Killifish (Heterandria)
Melanotaenia affinis · Heterandria formosa
New Guinea Rainbowfish: PeacefulLeast Killifish (Heterandria): Peaceful