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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 49 - 72 of 735 Tank Mates

New Guinea Rainbowfish & Apistogramma baenschi (Inca 50)

Melanotaenia affinis · Apistogramma baenschi

Possible with Caution
New Guinea Rainbowfish: PeacefulApistogramma baenschi (Inca 50): Semi-Aggressive

New Guinea Rainbowfish & Apistogramma borellii (Umbrella Cichlid)

Melanotaenia affinis · Apistogramma borellii

Possible with Caution
New Guinea Rainbowfish: PeacefulApistogramma borellii (Umbrella Cichlid): Mostly Peaceful

New Guinea Rainbowfish & Apistogramma elizabethae

Melanotaenia affinis · Apistogramma elizabethae

Possible with Caution
New Guinea Rainbowfish: PeacefulApistogramma elizabethae: Semi-Aggressive

New Guinea Rainbowfish & Apistogramma macmasteri

Melanotaenia affinis · Apistogramma macmasteri

Possible with Caution
New Guinea Rainbowfish: PeacefulApistogramma macmasteri: Semi-Aggressive

New Guinea Rainbowfish & Apistogramma panduro

Melanotaenia affinis · Apistogramma panduro

Possible with Caution
New Guinea Rainbowfish: PeacefulApistogramma panduro: Semi-Aggressive

New Guinea Rainbowfish & Apistogramma uaupesi

Melanotaenia affinis · Apistogramma uaupesi

Not Recommended
New Guinea Rainbowfish: PeacefulApistogramma uaupesi: Semi-Aggressive

New Guinea Rainbowfish & Apistogramma viejita

Melanotaenia affinis · Apistogramma viejita

Possible with Caution
New Guinea Rainbowfish: PeacefulApistogramma viejita: Semi-Aggressive

New Guinea Rainbowfish & Apple Snail

Melanotaenia affinis · Pomacea maculata

Possible with Caution
New Guinea Rainbowfish: PeacefulApple Snail: Peaceful

New Guinea Rainbowfish & Arapaima

Melanotaenia affinis · Arapaima gigas

Possible with Caution
New Guinea Rainbowfish: PeacefulArapaima: Aggressive

New Guinea Rainbowfish & Arfak Rainbowfish

Melanotaenia affinis · Melanotaenia arfakensis

Ideal Tank Mates
New Guinea Rainbowfish: PeacefulArfak Rainbowfish: Peaceful

New Guinea Rainbowfish & Arrowhead Puffer

Melanotaenia affinis · Pao suvattii

Possible with Caution
New Guinea Rainbowfish: PeacefulArrowhead Puffer: Highly Aggressive

New Guinea Rainbowfish & Arulius Barb

Melanotaenia affinis · Dawkinsia arulius

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

New Guinea Rainbowfish & Asher Cory

Melanotaenia affinis · Corydoras tukano

Ideal Tank Mates
New Guinea Rainbowfish: PeacefulAsher Cory: Peaceful

New Guinea Rainbowfish & Asian Arowana

Melanotaenia affinis · Scleropages formosus

Possible with Caution
New Guinea Rainbowfish: PeacefulAsian Arowana: Aggressive

New Guinea Rainbowfish & Asian Upside Down Catfish

Melanotaenia affinis · Mystus leucophasis

Possible with Caution
New Guinea Rainbowfish: PeacefulAsian Upside Down Catfish: Aggressive

New Guinea Rainbowfish & Assassin Snail

Melanotaenia affinis · Anentome helena

Ideal Tank Mates
New Guinea Rainbowfish: PeacefulAssassin Snail: Peaceful

New Guinea Rainbowfish & Auratus Cichlid (Mbuna)

Melanotaenia affinis · Melanochromis auratus

Possible with Caution
New Guinea Rainbowfish: PeacefulAuratus Cichlid (Mbuna): Highly Aggressive

New Guinea Rainbowfish & Aurora Yellow Mbuna

Melanotaenia affinis · Metriaclima sp. "Aurora Yellow"

Possible with Caution
New Guinea Rainbowfish: PeacefulAurora Yellow Mbuna: Aggressive

New Guinea Rainbowfish & Australian Pearl Arowana

Melanotaenia affinis · Scleropages jardinii

Possible with Caution
New Guinea Rainbowfish: PeacefulAustralian Pearl Arowana: Highly Aggressive

New Guinea Rainbowfish & Australian Smelt

Melanotaenia affinis · Retropinna semoni

Possible with Caution
New Guinea Rainbowfish: PeacefulAustralian Smelt: Peaceful

New Guinea Rainbowfish & Axelrod's Rainbowfish

Melanotaenia affinis · Chilatherina axelrodi

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

New Guinea Rainbowfish & Azureus Cichlid

Melanotaenia affinis · Copadichromis azureus

Possible with Caution
New Guinea Rainbowfish: PeacefulAzureus Cichlid: Semi-Aggressive

New Guinea Rainbowfish & Badis (Chameleon Fish)

Melanotaenia affinis · Badis badis

Possible with Caution
New Guinea Rainbowfish: PeacefulBadis (Chameleon Fish): Semi-Aggressive

New Guinea Rainbowfish & Bahia Red

Melanotaenia affinis · Geophagus sp. Bahia Red

Possible with Caution
New Guinea Rainbowfish: PeacefulBahia Red: Semi-Aggressive