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 601 - 624 of 735 Tank Mates

New Guinea Rainbowfish & Sentani Rainbowfish

Melanotaenia affinis · Chilatherina sentaniensis

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulSentani Rainbowfish: Mostly Peaceful

New Guinea Rainbowfish & Sepik Rainbowfish

Melanotaenia affinis · Glossolepis multisquamata

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulSepik Rainbowfish: Peaceful

New Guinea Rainbowfish & Serpae Tetra

Melanotaenia affinis · Hyphessobrycon eques

Possible with Caution

New Guinea Rainbowfish: PeacefulSerpae Tetra: Semi-Aggressive

New Guinea Rainbowfish & Severum

Melanotaenia affinis · Heros severus

Possible with Caution

New Guinea Rainbowfish: PeacefulSeverum: Semi-Aggressive

New Guinea Rainbowfish & Shell Dweller (Multi)

Melanotaenia affinis · Neolamprologus multifasciatus

Possible with Caution

New Guinea Rainbowfish: PeacefulShell Dweller (Multi): Semi-Aggressive

New Guinea Rainbowfish & Shortbarbel Pangasius

Melanotaenia affinis · Pangasius micronemus

Possible with Caution

New Guinea Rainbowfish: PeacefulShortbarbel Pangasius: Mostly Peaceful

New Guinea Rainbowfish & Shortnose Gar

Melanotaenia affinis · Lepisosteus platostomus

Possible with Caution

New Guinea Rainbowfish: PeacefulShortnose Gar: Aggressive

New Guinea Rainbowfish & Shovelnose Sturgeon

Melanotaenia affinis · Scaphirhynchus platorynchus

Possible with Caution

New Guinea Rainbowfish: PeacefulShovelnose Sturgeon: Mostly Peaceful

New Guinea Rainbowfish & Siamese Algae Eater

Melanotaenia affinis · Crossocheilus oblongus

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulSiamese Algae Eater: Mostly Peaceful

New Guinea Rainbowfish & Siamese Tiger Fish

Melanotaenia affinis · Datnioides pulcher

Possible with Caution

New Guinea Rainbowfish: PeacefulSiamese Tiger Fish: Semi-Aggressive

New Guinea Rainbowfish & Silver Arowana

Melanotaenia affinis · Osteoglossum bicirrhosum

Possible with Caution

New Guinea Rainbowfish: PeacefulSilver Arowana: Semi-Aggressive

New Guinea Rainbowfish & Silver Datnoid (Silver Tigerfish)

Melanotaenia affinis · Datnioides polota

Possible with Caution

New Guinea Rainbowfish: PeacefulSilver Datnoid (Silver Tigerfish): Semi-Aggressive

New Guinea Rainbowfish & Silver Dollar

Melanotaenia affinis · Metynnis argenteus

Possible with Caution

New Guinea Rainbowfish: PeacefulSilver Dollar: Peaceful

New Guinea Rainbowfish & Silver Flying Fox

Melanotaenia affinis · Crossocheilus reticulatus

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulSilver Flying Fox: Mostly Peaceful

New Guinea Rainbowfish & Silver Hatchetfish

Melanotaenia affinis · Gasteropelecus sternicla

Possible with Caution

New Guinea Rainbowfish: PeacefulSilver Hatchetfish: Peaceful

New Guinea Rainbowfish & Silver Prochilodus

Melanotaenia affinis · Semaprochilodus taeniurus

Possible with Caution

New Guinea Rainbowfish: PeacefulSilver Prochilodus: Mostly Peaceful

New Guinea Rainbowfish & Silver Rainbowfish

Melanotaenia affinis · Chilatherina crassispinosa

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulSilver Rainbowfish: Peaceful

New Guinea Rainbowfish & Silver Tiger Perch (American Tigerfish)

Melanotaenia affinis · Datnioides polota

Possible with Caution

New Guinea Rainbowfish: PeacefulSilver Tiger Perch (American Tigerfish): Aggressive

New Guinea Rainbowfish & Silvertip Tetra

Melanotaenia affinis · Hasemania nana

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulSilvertip Tetra: Mostly Peaceful

New Guinea Rainbowfish & Sixbar Distichodus

Melanotaenia affinis · Distichodus sexfasciatus

Possible with Caution

New Guinea Rainbowfish: PeacefulSixbar Distichodus: Aggressive

New Guinea Rainbowfish & Skunk Botia

Melanotaenia affinis · Yasuhikotakia morleti

Possible with Caution

New Guinea Rainbowfish: PeacefulSkunk Botia: Aggressive

New Guinea Rainbowfish & Skunk Cory

Melanotaenia affinis · Corydoras arcuatus

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulSkunk Cory: Peaceful

New Guinea Rainbowfish & Slender Rainbowfish

Melanotaenia affinis · Melanotaenia gracilis

Ideal Tank Mates

New Guinea Rainbowfish: PeacefulSlender Rainbowfish: Peaceful

New Guinea Rainbowfish & Smallmouth Bass

Melanotaenia affinis · Micropterus dolomieu

Possible with Caution

New Guinea Rainbowfish: PeacefulSmallmouth Bass: Aggressive