Guidarium Logo
Search
Back to all fishes

New Guinea Rainbowfish Tank Mates & Compatibility

New Guinea Rainbowfish

Melanotaenia affinis

View full care guide
TemperamentPeaceful (2/10)
Adult Size11.5 cm
Temperature22–28°C
Water TypeFreshwater Only
Swim ZoneMid-level, Surface
StockingSchool of 6+
Showing 217 - 240 of 735 Tank Mates

New Guinea Rainbowfish & Deep Water Hap (Placidochromis electra)

Melanotaenia affinis · Placidochromis electra

Possible with Caution
New Guinea Rainbowfish: PeacefulDeep Water Hap (Placidochromis electra): Semi-Aggressive

New Guinea Rainbowfish & Delhezi Bichir (Armored Bichir)

Melanotaenia affinis · Polypterus delhezi

Possible with Caution
New Guinea Rainbowfish: PeacefulDelhezi Bichir (Armored Bichir): Semi-Aggressive

New Guinea Rainbowfish & Delicate Blue-Eye

Melanotaenia affinis · Pseudomugil tenellus

Ideal Tank Mates
New Guinea Rainbowfish: PeacefulDelicate Blue-Eye: Peaceful

New Guinea Rainbowfish & Demasoni Cichlid (Mbuna)

Melanotaenia affinis · Chindongo demasoni

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

New Guinea Rainbowfish & Denison Barb (Roseline Shark)

Melanotaenia affinis · Sahyadria denisonii

Possible with Caution
New Guinea Rainbowfish: PeacefulDenison Barb (Roseline Shark): Mostly Peaceful

New Guinea Rainbowfish & Diamond Tetra

Melanotaenia affinis · Moenkhausia pittieri

Ideal Tank Mates
New Guinea Rainbowfish: PeacefulDiamond Tetra: Peaceful

New Guinea Rainbowfish & Dickfeld's Julie

Melanotaenia affinis · Julidochromis dickfeldi

Possible with Caution
New Guinea Rainbowfish: PeacefulDickfeld's Julie: Semi-Aggressive

New Guinea Rainbowfish & Discus

Melanotaenia affinis · Symphysodon aequifasciatus

Possible with Caution
New Guinea Rainbowfish: PeacefulDiscus: Mostly Peaceful

New Guinea Rainbowfish & Dojo Loach (Weather Loach)

Melanotaenia affinis · Misgurnus anguillicaudatus

Possible with Caution
New Guinea Rainbowfish: PeacefulDojo Loach (Weather Loach): Peaceful

New Guinea Rainbowfish & Domino Synodontis

Melanotaenia affinis · Synodontis notatus

Possible with Caution
New Guinea Rainbowfish: PeacefulDomino Synodontis: Semi-Aggressive

New Guinea Rainbowfish & Dourada

Melanotaenia affinis · Brachyplatystoma rousseauxii

Possible with Caution
New Guinea Rainbowfish: PeacefulDourada: Semi-Aggressive

New Guinea Rainbowfish & Duboisi Cichlid (Tropheus)

Melanotaenia affinis · Tropheus duboisi

Possible with Caution
New Guinea Rainbowfish: PeacefulDuboisi Cichlid (Tropheus): Aggressive

New Guinea Rainbowfish & Duplicareus Corydoras

Melanotaenia affinis · Corydoras duplicareus

Ideal Tank Mates
New Guinea Rainbowfish: PeacefulDuplicareus Corydoras: Peaceful

New Guinea Rainbowfish & Dusky Millions Fish

Melanotaenia affinis · Phalloceros caudimaculatus

Possible with Caution
New Guinea Rainbowfish: PeacefulDusky Millions Fish: Peaceful

New Guinea Rainbowfish & Dwarf Chain Loach

Melanotaenia affinis · Ambastaia sidthimunki

Ideal Tank Mates
New Guinea Rainbowfish: PeacefulDwarf Chain Loach: Peaceful

New Guinea Rainbowfish & Dwarf Cory (Tailspot Cory)

Melanotaenia affinis · Corydoras hastatus

Possible with Caution
New Guinea Rainbowfish: PeacefulDwarf Cory (Tailspot Cory): Peaceful

New Guinea Rainbowfish & Dwarf Flag Cichlid

Melanotaenia affinis · Laetacara curviceps

Possible with Caution
New Guinea Rainbowfish: PeacefulDwarf Flag Cichlid: Mostly Peaceful

New Guinea Rainbowfish & Dwarf Gourami

Melanotaenia affinis · Trichogaster lalius

Possible with Caution
New Guinea Rainbowfish: PeacefulDwarf Gourami: Semi-Aggressive

New Guinea Rainbowfish & Dwarf Green Pike Cichlid

Melanotaenia affinis · Crenicichla compressiceps

Possible with Caution
New Guinea Rainbowfish: PeacefulDwarf Green Pike Cichlid: Aggressive

New Guinea Rainbowfish & Dwarf Molly

Melanotaenia affinis · Poecilia chica

Ideal Tank Mates
New Guinea Rainbowfish: PeacefulDwarf Molly: Mostly Peaceful

New Guinea Rainbowfish & Dwarf Neon Rainbowfish (Praecox)

Melanotaenia affinis · Melanotaenia praecox

Ideal Tank Mates
New Guinea Rainbowfish: PeacefulDwarf Neon Rainbowfish (Praecox): Peaceful

New Guinea Rainbowfish & Dwarf Pea Puffer

Melanotaenia affinis · Carinotetraodon travancoricus

Possible with Caution
New Guinea Rainbowfish: PeacefulDwarf Pea Puffer: Aggressive

New Guinea Rainbowfish & Dwarf Pencilfish

Melanotaenia affinis · Nannostomus marginatus

Possible with Caution
New Guinea Rainbowfish: PeacefulDwarf Pencilfish: Peaceful

New Guinea Rainbowfish & Dwarf Petricola

Melanotaenia affinis · Synodontis lucipinnis

Ideal Tank Mates
New Guinea Rainbowfish: PeacefulDwarf Petricola: Peaceful