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Slender Rainbowfish Tank Mates & Compatibility

Slender Rainbowfish

Melanotaenia gracilis

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TemperamentPeaceful (2/10)
Adult Size8 cm
Temperature22–28°C
Water TypeFreshwater Only
Swim ZoneSurface, Mid-level
StockingSchool of 6+
Showing 217 - 240 of 735 Tank Mates

Slender Rainbowfish & Deep Water Hap (Placidochromis electra)

Melanotaenia gracilis · Placidochromis electra

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

Slender Rainbowfish & Delhezi Bichir (Armored Bichir)

Melanotaenia gracilis · Polypterus delhezi

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

Slender Rainbowfish & Delicate Blue-Eye

Melanotaenia gracilis · Pseudomugil tenellus

Ideal Tank Mates
Slender Rainbowfish: PeacefulDelicate Blue-Eye: Peaceful

Slender Rainbowfish & Demasoni Cichlid (Mbuna)

Melanotaenia gracilis · Chindongo demasoni

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

Slender Rainbowfish & Denison Barb (Roseline Shark)

Melanotaenia gracilis · Sahyadria denisonii

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

Slender Rainbowfish & Diamond Tetra

Melanotaenia gracilis · Moenkhausia pittieri

Ideal Tank Mates
Slender Rainbowfish: PeacefulDiamond Tetra: Peaceful

Slender Rainbowfish & Dickfeld's Julie

Melanotaenia gracilis · Julidochromis dickfeldi

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

Slender Rainbowfish & Discus

Melanotaenia gracilis · Symphysodon aequifasciatus

Possible with Caution
Slender Rainbowfish: PeacefulDiscus: Mostly Peaceful

Slender Rainbowfish & Dojo Loach (Weather Loach)

Melanotaenia gracilis · Misgurnus anguillicaudatus

Possible with Caution
Slender Rainbowfish: PeacefulDojo Loach (Weather Loach): Peaceful

Slender Rainbowfish & Domino Synodontis

Melanotaenia gracilis · Synodontis notatus

Possible with Caution
Slender Rainbowfish: PeacefulDomino Synodontis: Semi-Aggressive

Slender Rainbowfish & Dourada

Melanotaenia gracilis · Brachyplatystoma rousseauxii

Possible with Caution
Slender Rainbowfish: PeacefulDourada: Semi-Aggressive

Slender Rainbowfish & Duboisi Cichlid (Tropheus)

Melanotaenia gracilis · Tropheus duboisi

Possible with Caution
Slender Rainbowfish: PeacefulDuboisi Cichlid (Tropheus): Aggressive

Slender Rainbowfish & Duplicareus Corydoras

Melanotaenia gracilis · Corydoras duplicareus

Possible with Caution
Slender Rainbowfish: PeacefulDuplicareus Corydoras: Peaceful

Slender Rainbowfish & Dusky Millions Fish

Melanotaenia gracilis · Phalloceros caudimaculatus

Possible with Caution
Slender Rainbowfish: PeacefulDusky Millions Fish: Peaceful

Slender Rainbowfish & Dwarf Chain Loach

Melanotaenia gracilis · Ambastaia sidthimunki

Ideal Tank Mates
Slender Rainbowfish: PeacefulDwarf Chain Loach: Peaceful

Slender Rainbowfish & Dwarf Cory (Tailspot Cory)

Melanotaenia gracilis · Corydoras hastatus

Possible with Caution
Slender Rainbowfish: PeacefulDwarf Cory (Tailspot Cory): Peaceful

Slender Rainbowfish & Dwarf Flag Cichlid

Melanotaenia gracilis · Laetacara curviceps

Possible with Caution
Slender Rainbowfish: PeacefulDwarf Flag Cichlid: Mostly Peaceful

Slender Rainbowfish & Dwarf Gourami

Melanotaenia gracilis · Trichogaster lalius

Possible with Caution
Slender Rainbowfish: PeacefulDwarf Gourami: Semi-Aggressive

Slender Rainbowfish & Dwarf Green Pike Cichlid

Melanotaenia gracilis · Crenicichla compressiceps

Possible with Caution
Slender Rainbowfish: PeacefulDwarf Green Pike Cichlid: Aggressive

Slender Rainbowfish & Dwarf Molly

Melanotaenia gracilis · Poecilia chica

Ideal Tank Mates
Slender Rainbowfish: PeacefulDwarf Molly: Mostly Peaceful

Slender Rainbowfish & Dwarf Neon Rainbowfish (Praecox)

Melanotaenia gracilis · Melanotaenia praecox

Ideal Tank Mates
Slender Rainbowfish: PeacefulDwarf Neon Rainbowfish (Praecox): Peaceful

Slender Rainbowfish & Dwarf Pea Puffer

Melanotaenia gracilis · Carinotetraodon travancoricus

Possible with Caution
Slender Rainbowfish: PeacefulDwarf Pea Puffer: Aggressive

Slender Rainbowfish & Dwarf Pencilfish

Melanotaenia gracilis · Nannostomus marginatus

Possible with Caution
Slender Rainbowfish: PeacefulDwarf Pencilfish: Peaceful

Slender Rainbowfish & Dwarf Petricola

Melanotaenia gracilis · Synodontis lucipinnis

Ideal Tank Mates
Slender Rainbowfish: PeacefulDwarf Petricola: Peaceful