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 25 - 48 of 735 Tank Mates

New Guinea Rainbowfish & Alligator Pleco

Melanotaenia affinis · Pterygoplichthys scrophus

Possible with Caution

New Guinea Rainbowfish: PeacefulAlligator Pleco: Mostly Peaceful

New Guinea Rainbowfish & Altifrons Eartheater

Melanotaenia affinis · Geophagus altifrons

Possible with Caution

New Guinea Rainbowfish: PeacefulAltifrons Eartheater: Mostly Peaceful

New Guinea Rainbowfish & Altolamprologus Calvus

Melanotaenia affinis · Altolamprologus calvus

Possible with Caution

New Guinea Rainbowfish: PeacefulAltolamprologus Calvus: Semi-Aggressive

New Guinea Rainbowfish & Altolamprologus Compressiceps

Melanotaenia affinis · Altolamprologus compressiceps

Possible with Caution

New Guinea Rainbowfish: PeacefulAltolamprologus Compressiceps: Semi-Aggressive

New Guinea Rainbowfish & Altum Angel

Melanotaenia affinis · Pterophyllum altum

Possible with Caution

New Guinea Rainbowfish: PeacefulAltum Angel: Semi-Aggressive

New Guinea Rainbowfish & Amano Shrimp

Melanotaenia affinis · Caridina multidentata

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulAmano Shrimp: Peaceful

New Guinea Rainbowfish & Amazon Leaf Fish

Melanotaenia affinis · Monocirrhus polyacanthus

Possible with Caution

New Guinea Rainbowfish: PeacefulAmazon Leaf Fish: Peaceful

New Guinea Rainbowfish & Amazon Puffer

Melanotaenia affinis · Colomesus asellus

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulAmazon Puffer: Mostly Peaceful

New Guinea Rainbowfish & American Grass Shrimp

Melanotaenia affinis · Palaemonetes kadiakensis

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulAmerican Grass Shrimp: Peaceful

New Guinea Rainbowfish & Andinoacara sp. Gold Saum

Melanotaenia affinis · Andinoacara sp. "Gold Saum"

Possible with Caution

New Guinea Rainbowfish: PeacefulAndinoacara sp. Gold Saum: Aggressive

New Guinea Rainbowfish & Angelicus Botia

Melanotaenia affinis · Botia kubotai

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulAngelicus Botia: Mostly Peaceful

New Guinea Rainbowfish & Angelicus Pleco L073

Melanotaenia affinis · Hypancistrus sp. L073

Possible with Caution

New Guinea Rainbowfish: PeacefulAngelicus Pleco L073: Mostly Peaceful

New Guinea Rainbowfish & Angfa Rainbowfish

Melanotaenia affinis · Melanotaenia angfa

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulAngfa Rainbowfish: Peaceful

New Guinea Rainbowfish & Antennae Stingray

Melanotaenia affinis · Plesiotrygon iwamae

Possible with Caution

New Guinea Rainbowfish: PeacefulAntennae Stingray: Semi-Aggressive

New Guinea Rainbowfish & Apistogramma Black-Chin

Melanotaenia affinis · Apistogramma allpahuayo

Possible with Caution

New Guinea Rainbowfish: PeacefulApistogramma Black-Chin: Semi-Aggressive

New Guinea Rainbowfish & Apistogramma Broad-banded

Melanotaenia affinis · Apistogramma breitbinden

Possible with Caution

New Guinea Rainbowfish: PeacefulApistogramma Broad-banded: Semi-Aggressive

New Guinea Rainbowfish & Apistogramma Mamoré

Melanotaenia affinis · Apistogramma erythrura

Possible with Caution

New Guinea Rainbowfish: PeacefulApistogramma Mamoré: Mostly Peaceful

New Guinea Rainbowfish & Apistogramma Marmor (Marbled Apisto)

Melanotaenia affinis · Apistogramma erythrura

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulApistogramma Marmor (Marbled Apisto): Mostly Peaceful

New Guinea Rainbowfish & Apistogramma Mouthbrooder (Maulbrüter)

Melanotaenia affinis · Apistogramma barlowi

Possible with Caution

New Guinea Rainbowfish: PeacefulApistogramma Mouthbrooder (Maulbrüter): Semi-Aggressive

New Guinea Rainbowfish & Apistogramma Orange-tail

Melanotaenia affinis · Apistogramma cf. eunotus "Orange-tail"

Possible with Caution

New Guinea Rainbowfish: PeacefulApistogramma Orange-tail: Semi-Aggressive

New Guinea Rainbowfish & Apistogramma Parrot

Melanotaenia affinis · Apistogramma sp. "Parrot"

Possible with Caution

New Guinea Rainbowfish: PeacefulApistogramma Parrot: Semi-Aggressive

New Guinea Rainbowfish & Apistogramma Resticulosa Mamor

Melanotaenia affinis · Apistogramma cf. resticulosa Mamor

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulApistogramma Resticulosa Mamor: Mostly Peaceful

New Guinea Rainbowfish & Apistogramma Resticulosa Marmor

Melanotaenia affinis · Apistogramma cf. resticulosa "Marmor"

Possible with Caution

New Guinea Rainbowfish: PeacefulApistogramma Resticulosa Marmor: Mostly Peaceful

New Guinea Rainbowfish & Apistogramma atahualpa

Melanotaenia affinis · Apistogramma atahualpa

Possible with Caution

New Guinea Rainbowfish: PeacefulApistogramma atahualpa: Mostly Peaceful