Guidarium Logo
Search
Back to all fishes

New Guinea Rainbowfish Tank Mates & Compatibility

New Guinea Rainbowfish

Melanotaenia affinis

View full care guide
TemperamentPeaceful (2/10)
Adult Size11.5 cm
Temperature22–28°C
Water TypeFreshwater Only
Swim ZoneMid-level, Surface
StockingSchool of 6+
Showing 409 - 432 of 735 Tank Mates

New Guinea Rainbowfish & Macaw Cichlid

Melanotaenia affinis · Hypsophrys nicaraguensis

Possible with Caution
New Guinea Rainbowfish: PeacefulMacaw Cichlid: Aggressive

New Guinea Rainbowfish & Madagascar Rainbowfish

Melanotaenia affinis · Bedotia madagascariensis

Ideal Tank Mates
New Guinea Rainbowfish: PeacefulMadagascar Rainbowfish: Peaceful

New Guinea Rainbowfish & Maingano Mbuna

Melanotaenia affinis · Pseudotropheus cyaneorhabdos

Possible with Caution
New Guinea Rainbowfish: PeacefulMaingano Mbuna: Aggressive

New Guinea Rainbowfish & Maison Reef Peacock

Melanotaenia affinis · Aulonocara stuartgranti "Maison Reef"

Possible with Caution
New Guinea Rainbowfish: PeacefulMaison Reef Peacock: Semi-Aggressive

New Guinea Rainbowfish & Malawi Eyebiter

Melanotaenia affinis · Dimidiochromis compressiceps

Possible with Caution
New Guinea Rainbowfish: PeacefulMalawi Eyebiter: Aggressive

New Guinea Rainbowfish & Malawi Gar

Melanotaenia affinis · Lichnochromis acuticeps

Possible with Caution
New Guinea Rainbowfish: PeacefulMalawi Gar: Semi-Aggressive

New Guinea Rainbowfish & Malawi Hawk

Melanotaenia affinis · Aristochromis christyi

Possible with Caution
New Guinea Rainbowfish: PeacefulMalawi Hawk: Aggressive

New Guinea Rainbowfish & Malaya Shrimp

Melanotaenia affinis · Caridina sp. "Malaya"

Ideal Tank Mates
New Guinea Rainbowfish: PeacefulMalaya Shrimp: Peaceful

New Guinea Rainbowfish & Malaysian Trumpet Snail (MTS)

Melanotaenia affinis · Melanoides tuberculata

Ideal Tank Mates
New Guinea Rainbowfish: PeacefulMalaysian Trumpet Snail (MTS): Peaceful

New Guinea Rainbowfish & Mamberamo Rainbowfish

Melanotaenia affinis · Melanotaenia mamberamo

Ideal Tank Mates
New Guinea Rainbowfish: PeacefulMamberamo Rainbowfish: Peaceful

New Guinea Rainbowfish & Marble Goby

Melanotaenia affinis · Oxyeleotris marmorata

Possible with Caution
New Guinea Rainbowfish: PeacefulMarble Goby: Aggressive

New Guinea Rainbowfish & Marbled Bichir

Melanotaenia affinis · Polypterus polli

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

New Guinea Rainbowfish & Marbled Hatchetfish

Melanotaenia affinis · Carnegiella strigata

Possible with Caution
New Guinea Rainbowfish: PeacefulMarbled Hatchetfish: Peaceful

New Guinea Rainbowfish & Marbled Whiptail

Melanotaenia affinis · Loricaria simillima

Possible with Caution
New Guinea Rainbowfish: PeacefulMarbled Whiptail: Peaceful

New Guinea Rainbowfish & Marlier's Julie

Melanotaenia affinis · Julidochromis marlieri

Not Recommended
New Guinea Rainbowfish: PeacefulMarlier's Julie: Semi-Aggressive

New Guinea Rainbowfish & Masked Julie (Julidochromis)

Melanotaenia affinis · Julidochromis transcriptus

Possible with Caution
New Guinea Rainbowfish: PeacefulMasked Julie (Julidochromis): Semi-Aggressive

New Guinea Rainbowfish & Mayan Cichlid

Melanotaenia affinis · Mayaheros urophthalmus

Possible with Caution
New Guinea Rainbowfish: PeacefulMayan Cichlid: Aggressive

New Guinea Rainbowfish & Mayland's Rainbowfish

Melanotaenia affinis · Melanotaenia maylandi

Ideal Tank Mates
New Guinea Rainbowfish: PeacefulMayland's Rainbowfish: Peaceful

New Guinea Rainbowfish & Mbu Puffer

Melanotaenia affinis · Tetraodon mbu

Possible with Caution
New Guinea Rainbowfish: PeacefulMbu Puffer: Aggressive

New Guinea Rainbowfish & Melon Barb

Melanotaenia affinis · Haludaria fasciata

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

New Guinea Rainbowfish & Mexican Dwarf Crayfish (CPO)

Melanotaenia affinis · Cambarellus patzcuarensis

Ideal Tank Mates
New Guinea Rainbowfish: PeacefulMexican Dwarf Crayfish (CPO): Mostly Peaceful

New Guinea Rainbowfish & Midas Cichlid

Melanotaenia affinis · Amphilophus citrinellus

Possible with Caution
New Guinea Rainbowfish: PeacefulMidas Cichlid: Highly Aggressive

New Guinea Rainbowfish & Midnight Catfish

Melanotaenia affinis · Auchenipterichthys coracoideus

Possible with Caution
New Guinea Rainbowfish: PeacefulMidnight Catfish: Mostly Peaceful

New Guinea Rainbowfish & Milomo Hap (Super VC10)

Melanotaenia affinis · Placidochromis milomo

Possible with Caution
New Guinea Rainbowfish: PeacefulMilomo Hap (Super VC10): Semi-Aggressive