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 433 - 456 of 735 Tank Mates

New Guinea Rainbowfish & Misool Rainbowfish

Melanotaenia affinis · Melanotaenia misoolensis

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulMisool Rainbowfish: Peaceful

New Guinea Rainbowfish & Mokele-mbembe Bichir

Melanotaenia affinis · Polypterus mokelembembe

Possible with Caution

New Guinea Rainbowfish: PeacefulMokele-mbembe Bichir: Semi-Aggressive

New Guinea Rainbowfish & Molly (Sailfin/Black/Dalmatian)

Melanotaenia affinis · Poecilia sphenops

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulMolly (Sailfin/Black/Dalmatian): Mostly Peaceful

New Guinea Rainbowfish & Mono Sebae (Brackish)

Melanotaenia affinis · Monodactylus sebae

New Guinea Rainbowfish & Monster Wolf Fish (Aimara)

Melanotaenia affinis · Hoplias aimara

Possible with Caution

New Guinea Rainbowfish: PeacefulMonster Wolf Fish (Aimara): Highly Aggressive

New Guinea Rainbowfish & Moonlight Gourami

Melanotaenia affinis · Trichogaster microlepis

Possible with Caution

New Guinea Rainbowfish: PeacefulMoonlight Gourami: Mostly Peaceful

New Guinea Rainbowfish & Mosquitofish (Gambusia)

Melanotaenia affinis · Gambusia affinis

Possible with Caution

New Guinea Rainbowfish: PeacefulMosquitofish (Gambusia): Aggressive

New Guinea Rainbowfish & Motoro Stingray

Melanotaenia affinis · Potamotrygon motoro

Possible with Caution

New Guinea Rainbowfish: PeacefulMotoro Stingray: Semi-Aggressive

New Guinea Rainbowfish & Mottled Loach

Melanotaenia affinis · Paracanthocobitis botia

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulMottled Loach: Mostly Peaceful

New Guinea Rainbowfish & Mountain Rainbowfish

Melanotaenia affinis · Melanotaenia monticola

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulMountain Rainbowfish: Peaceful

New Guinea Rainbowfish & Mozambique Tilapia (Redfin)

Melanotaenia affinis · Oreochromis mossambicus

Possible with Caution

New Guinea Rainbowfish: PeacefulMozambique Tilapia (Redfin): Aggressive

New Guinea Rainbowfish & Msobo Mbuna

Melanotaenia affinis · Metriaclima sp. "Msobo"

Possible with Caution

New Guinea Rainbowfish: PeacefulMsobo Mbuna: Aggressive

New Guinea Rainbowfish & Mubi Rainbowfish

Melanotaenia affinis · Melanotaenia mubiensis

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulMubi Rainbowfish: Peaceful

New Guinea Rainbowfish & Murray River Rainbowfish

Melanotaenia affinis · Melanotaenia fluviatilis

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulMurray River Rainbowfish: Peaceful

New Guinea Rainbowfish & Mystery Snail

Melanotaenia affinis · Pomacea bridgesii

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulMystery Snail: Peaceful

New Guinea Rainbowfish & Nana Rasbora

Melanotaenia affinis · Microdevario nana

Possible with Caution

New Guinea Rainbowfish: PeacefulNana Rasbora: Peaceful

New Guinea Rainbowfish & Needlenose Gar

Melanotaenia affinis · Xenentodon cancila

Possible with Caution

New Guinea Rainbowfish: PeacefulNeedlenose Gar: Semi-Aggressive

New Guinea Rainbowfish & Neolamprologus Fasciatus

Melanotaenia affinis · Neolamprologus fasciatus

Possible with Caution

New Guinea Rainbowfish: PeacefulNeolamprologus Fasciatus: Semi-Aggressive

New Guinea Rainbowfish & Neolamprologus Pulcher

Melanotaenia affinis · Neolamprologus pulcher

Possible with Caution

New Guinea Rainbowfish: PeacefulNeolamprologus Pulcher: Aggressive

New Guinea Rainbowfish & Neolamprologus Similis

Melanotaenia affinis · Neolamprologus similis

Possible with Caution

New Guinea Rainbowfish: PeacefulNeolamprologus Similis: Semi-Aggressive

New Guinea Rainbowfish & Neolamprologus Tretocephalus

Melanotaenia affinis · Neolamprologus tretocephalus

Possible with Caution

New Guinea Rainbowfish: PeacefulNeolamprologus Tretocephalus: Aggressive

New Guinea Rainbowfish & Neon Blue Cichlid

Melanotaenia affinis · Paracyprichromis nigripinnis

Possible with Caution

New Guinea Rainbowfish: PeacefulNeon Blue Cichlid: Mostly Peaceful

New Guinea Rainbowfish & Neon Blue Goby

Melanotaenia affinis · Stiphodon atropurpureus

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulNeon Blue Goby: Mostly Peaceful

New Guinea Rainbowfish & Neon Green Rasbora (Kubotai)

Melanotaenia affinis · Microdevario kubotai

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulNeon Green Rasbora (Kubotai): Peaceful