Eastern Rainbowfish & Betta Macrostoma
Melanotaenia splendida · Betta macrostoma
Eastern Rainbowfish: PeacefulBetta Macrostoma: Semi-Aggressive
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Eastern Rainbowfish Tank Mates & Compatibility
Eastern Rainbowfish
Melanotaenia splendida
TemperamentPeaceful (2/10)
Adult Size12 cm
Temperature22–28°C
Water TypeFreshwater Only
Swim ZoneSurface, Mid-level
StockingSchool of 6+
Showing 97 - 120 of 735 Tank Mates
Not Recommended
Eastern Rainbowfish & Betta Smaragdina
Melanotaenia splendida · Betta smaragdina
Eastern Rainbowfish: PeacefulBetta Smaragdina: Semi-Aggressive
Eastern Rainbowfish & Black Acara
Melanotaenia splendida · Cichlasoma bimaculatum
Eastern Rainbowfish: PeacefulBlack Acara: Semi-Aggressive
Eastern Rainbowfish & Black Belt Cichlid
Melanotaenia splendida · Vieja maculicauda
Eastern Rainbowfish: PeacefulBlack Belt Cichlid: Aggressive
Eastern Rainbowfish & Black Bullhead Catfish
Melanotaenia splendida · Ameiurus melas
Eastern Rainbowfish: PeacefulBlack Bullhead Catfish: Aggressive
Eastern Rainbowfish & Black Corydoras
Melanotaenia splendida · Corydoras schultzei
Eastern Rainbowfish: PeacefulBlack Corydoras: Peaceful
Eastern Rainbowfish & Black Diamond Cichlid
Melanotaenia splendida · Paratilapia polleni
Eastern Rainbowfish: PeacefulBlack Diamond Cichlid: Aggressive
Eastern Rainbowfish & Black Fin Cory
Melanotaenia splendida · Corydoras leucomelas
Eastern Rainbowfish: PeacefulBlack Fin Cory: Peaceful
Eastern Rainbowfish & Black Ghost Knifefish
Melanotaenia splendida · Apteronotus albifrons
Eastern Rainbowfish: PeacefulBlack Ghost Knifefish: Semi-Aggressive
Eastern Rainbowfish & Black Kuhli Loach
Melanotaenia splendida · Pangio oblonga
Eastern Rainbowfish: PeacefulBlack Kuhli Loach: Peaceful
Eastern Rainbowfish & Black Marble Hoplo
Melanotaenia splendida · Megalechis thoracata
Eastern Rainbowfish: PeacefulBlack Marble Hoplo: Mostly Peaceful
Eastern Rainbowfish & Black Neon Tetra
Melanotaenia splendida · Hyphessobrycon herbertaxelrodi
Eastern Rainbowfish: PeacefulBlack Neon Tetra: Peaceful
Eastern Rainbowfish & Black Ocellatus
Melanotaenia splendida · Lamprologus speciosus
Eastern Rainbowfish: PeacefulBlack Ocellatus: Aggressive
Eastern Rainbowfish & Black Pacu
Melanotaenia splendida · Colossoma macropomum
Eastern Rainbowfish: PeacefulBlack Pacu: Mostly Peaceful
Eastern Rainbowfish & Black Phantom Tetra
Melanotaenia splendida · Hyphessobrycon megalopterus
Eastern Rainbowfish: PeacefulBlack Phantom Tetra: Peaceful
Eastern Rainbowfish & Black Ruby Barb
Melanotaenia splendida · Pethia nigrofasciata
Eastern Rainbowfish: PeacefulBlack Ruby Barb: Mostly Peaceful
Eastern Rainbowfish & Black Skirt Tetra
Melanotaenia splendida · Gymnocorymbus ternetzi
Eastern Rainbowfish: PeacefulBlack Skirt Tetra: Mostly Peaceful
Eastern Rainbowfish & Black-Banded Rainbowfish
Melanotaenia splendida · Melanotaenia nigrans
Eastern Rainbowfish: PeacefulBlack-Banded Rainbowfish: Peaceful
Eastern Rainbowfish & Blackline Rasbora
Melanotaenia splendida · Rasbora borapetensis
Eastern Rainbowfish: PeacefulBlackline Rasbora: Peaceful
Eastern Rainbowfish & Bladder Snail (Pest Snail)
Melanotaenia splendida · Physella acuta
Eastern Rainbowfish: PeacefulBladder Snail (Pest Snail): Peaceful
Eastern Rainbowfish & Bleeding Heart Tetra
Melanotaenia splendida · Hyphessobrycon erythrostigma
Eastern Rainbowfish: PeacefulBleeding Heart Tetra: Peaceful
Eastern Rainbowfish & Bleher's Rainbowfish
Melanotaenia splendida · Chilatherina bleheri
Eastern Rainbowfish: PeacefulBleher's Rainbowfish: Peaceful
Eastern Rainbowfish & Blind Cave Tetra
Melanotaenia splendida · Astyanax mexicanus
Eastern Rainbowfish: PeacefulBlind Cave Tetra: Mostly Peaceful
Eastern Rainbowfish & Blood Parrot Cichlid
Melanotaenia splendida · Hybrid cichlid (Blood Parrot)
Eastern Rainbowfish: PeacefulBlood Parrot Cichlid: Semi-Aggressive