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 697 - 720 of 735 Tank Mates

New Guinea Rainbowfish & Walking Catfish (Clarias)

Melanotaenia affinis · Clarias batrachus

Possible with Caution

New Guinea Rainbowfish: PeacefulWalking Catfish (Clarias): Aggressive

New Guinea Rainbowfish & Wami Tilapia (Redeye)

Melanotaenia affinis · Oreochromis hornorum

Possible with Caution

New Guinea Rainbowfish: PeacefulWami Tilapia (Redeye): Semi-Aggressive

New Guinea Rainbowfish & Warmouth

Melanotaenia affinis · Lepomis gulosus

Possible with Caution

New Guinea Rainbowfish: PeacefulWarmouth: Aggressive

New Guinea Rainbowfish & Weeksi Bichir

Melanotaenia affinis · Polypterus weeksii

Possible with Caution

New Guinea Rainbowfish: PeacefulWeeksi Bichir: Semi-Aggressive

New Guinea Rainbowfish & Wels Catfish (European Catfish)

Melanotaenia affinis · Silurus glanis

Possible with Caution

New Guinea Rainbowfish: PeacefulWels Catfish (European Catfish): Aggressive

New Guinea Rainbowfish & West African Bichir

Melanotaenia affinis · Polypterus retropinnis

Possible with Caution

New Guinea Rainbowfish: PeacefulWest African Bichir: Semi-Aggressive

New Guinea Rainbowfish & Western Rainbowfish

Melanotaenia affinis · Melanotaenia australis

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulWestern Rainbowfish: Peaceful

New Guinea Rainbowfish & Whiptail Catfish

Melanotaenia affinis · Rineloricaria sp.

Possible with Caution

New Guinea Rainbowfish: PeacefulWhiptail Catfish: Peaceful

New Guinea Rainbowfish & Whisker Shrimp

Melanotaenia affinis · Macrobrachium sp.

Possible with Caution

New Guinea Rainbowfish: PeacefulWhisker Shrimp: Aggressive

New Guinea Rainbowfish & White Cheeked Goby

Melanotaenia affinis · Rhinogobius duospilus

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulWhite Cheeked Goby: Mostly Peaceful

New Guinea Rainbowfish & White Cichlid

Melanotaenia affinis · Vieja argentea

Possible with Caution

New Guinea Rainbowfish: PeacefulWhite Cichlid: Aggressive

New Guinea Rainbowfish & White Cloud Mountain Minnow

Melanotaenia affinis · Tanichthys albonubes

Possible with Caution

New Guinea Rainbowfish: PeacefulWhite Cloud Mountain Minnow: Peaceful

New Guinea Rainbowfish & White Saum (Green Terror)

Melanotaenia affinis · Andinoacara stalsbergi

Possible with Caution

New Guinea Rainbowfish: PeacefulWhite Saum (Green Terror): Aggressive

New Guinea Rainbowfish & White Top Hara (Gallireya Reef)

Melanotaenia affinis · Cynotilapia sp. 'hara'

Possible with Caution

New Guinea Rainbowfish: PeacefulWhite Top Hara (Gallireya Reef): Aggressive

New Guinea Rainbowfish & Whiteseam Fighter

Melanotaenia affinis · Betta albimarginata

Possible with Caution

New Guinea Rainbowfish: PeacefulWhiteseam Fighter: Mostly Peaceful

New Guinea Rainbowfish & Wolf Cichlid

Melanotaenia affinis · Parachromis dovii

Possible with Caution

New Guinea Rainbowfish: PeacefulWolf Cichlid: Highly Aggressive

New Guinea Rainbowfish & Wolf Fish

Melanotaenia affinis · Hoplias malabaricus

Possible with Caution

New Guinea Rainbowfish: PeacefulWolf Fish: Highly Aggressive

New Guinea Rainbowfish & Wrestling Halfbeak

Melanotaenia affinis · Dermogenys pusilla

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulWrestling Halfbeak: Mostly Peaceful

New Guinea Rainbowfish & X-Ray Tetra (Pristella)

Melanotaenia affinis · Pristella maxillaris

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulX-Ray Tetra (Pristella): Peaceful

New Guinea Rainbowfish & Xenotilapia ochrogenys

Melanotaenia affinis · Xenotilapia ochrogenys

Possible with Caution

New Guinea Rainbowfish: PeacefulXenotilapia ochrogenys: Mostly Peaceful

New Guinea Rainbowfish & Xenotilapia papilio

Melanotaenia affinis · Xenotilapia papilio

Possible with Caution

New Guinea Rainbowfish: PeacefulXenotilapia papilio: Semi-Aggressive

New Guinea Rainbowfish & Yellow Acara

Melanotaenia affinis · Aequidens metae

Possible with Caution

New Guinea Rainbowfish: PeacefulYellow Acara: Semi-Aggressive

New Guinea Rainbowfish & Yellow Bullhead Catfish

Melanotaenia affinis · Ameiurus natalis

Possible with Caution

New Guinea Rainbowfish: PeacefulYellow Bullhead Catfish: Semi-Aggressive

New Guinea Rainbowfish & Yellow Convict

Melanotaenia affinis · Cryptoheros nanoluteus

Possible with Caution

New Guinea Rainbowfish: PeacefulYellow Convict: Semi-Aggressive