Blue Rainbowfish Tank Mates & Compatibility

Blue Rainbowfish

Melanotaenia caerulea

View full care guide

TemperamentPeaceful (2/10)

Adult Size8 cm

Temperature24–28°C

Water TypeFreshwater Only

Swim ZoneMid-level, Surface

StockingSchool of 6+

Showing 97 - 120 of 735 Tank Mates

Blue Rainbowfish & Betta Macrostoma

Melanotaenia caerulea · Betta macrostoma

Blue Rainbowfish & Betta Smaragdina

Melanotaenia caerulea · Betta smaragdina

Possible with Caution

Blue Rainbowfish: PeacefulBetta Smaragdina: Semi-Aggressive

Blue Rainbowfish & Black Acara

Melanotaenia caerulea · Cichlasoma bimaculatum

Possible with Caution

Blue Rainbowfish: PeacefulBlack Acara: Semi-Aggressive

Blue Rainbowfish & Black Belt Cichlid

Melanotaenia caerulea · Vieja maculicauda

Possible with Caution

Blue Rainbowfish: PeacefulBlack Belt Cichlid: Aggressive

Blue Rainbowfish & Black Bullhead Catfish

Melanotaenia caerulea · Ameiurus melas

Possible with Caution

Blue Rainbowfish: PeacefulBlack Bullhead Catfish: Aggressive

Blue Rainbowfish & Black Corydoras

Melanotaenia caerulea · Corydoras schultzei

Ideal Tank Mates

Blue Rainbowfish: PeacefulBlack Corydoras: Peaceful

Blue Rainbowfish & Black Diamond Cichlid

Melanotaenia caerulea · Paratilapia polleni

Possible with Caution

Blue Rainbowfish: PeacefulBlack Diamond Cichlid: Aggressive

Blue Rainbowfish & Black Fin Cory

Melanotaenia caerulea · Corydoras leucomelas

Possible with Caution

Blue Rainbowfish: PeacefulBlack Fin Cory: Peaceful

Blue Rainbowfish & Black Ghost Knifefish

Melanotaenia caerulea · Apteronotus albifrons

Possible with Caution

Blue Rainbowfish: PeacefulBlack Ghost Knifefish: Semi-Aggressive

Blue Rainbowfish & Black Kuhli Loach

Melanotaenia caerulea · Pangio oblonga

Possible with Caution

Blue Rainbowfish: PeacefulBlack Kuhli Loach: Peaceful

Blue Rainbowfish & Black Marble Hoplo

Melanotaenia caerulea · Megalechis thoracata

Ideal Tank Mates

Blue Rainbowfish: PeacefulBlack Marble Hoplo: Mostly Peaceful

Blue Rainbowfish & Black Neon Tetra

Melanotaenia caerulea · Hyphessobrycon herbertaxelrodi

Ideal Tank Mates

Blue Rainbowfish: PeacefulBlack Neon Tetra: Peaceful

Blue Rainbowfish & Black Ocellatus

Melanotaenia caerulea · Lamprologus speciosus

Possible with Caution

Blue Rainbowfish: PeacefulBlack Ocellatus: Aggressive

Blue Rainbowfish & Black Pacu

Melanotaenia caerulea · Colossoma macropomum

Possible with Caution

Blue Rainbowfish: PeacefulBlack Pacu: Mostly Peaceful

Blue Rainbowfish & Black Phantom Tetra

Melanotaenia caerulea · Hyphessobrycon megalopterus

Possible with Caution

Blue Rainbowfish: PeacefulBlack Phantom Tetra: Peaceful

Blue Rainbowfish & Black Ruby Barb

Melanotaenia caerulea · Pethia nigrofasciata

Ideal Tank Mates

Blue Rainbowfish: PeacefulBlack Ruby Barb: Mostly Peaceful

Blue Rainbowfish & Black Skirt Tetra

Melanotaenia caerulea · Gymnocorymbus ternetzi

Ideal Tank Mates

Blue Rainbowfish: PeacefulBlack Skirt Tetra: Mostly Peaceful

Blue Rainbowfish & Black-Banded Rainbowfish

Melanotaenia caerulea · Melanotaenia nigrans

Ideal Tank Mates

Blue Rainbowfish: PeacefulBlack-Banded Rainbowfish: Peaceful

Blue Rainbowfish & Blackline Rasbora

Melanotaenia caerulea · Rasbora borapetensis

Ideal Tank Mates

Blue Rainbowfish: PeacefulBlackline Rasbora: Peaceful

Blue Rainbowfish & Bladder Snail (Pest Snail)

Melanotaenia caerulea · Physella acuta

Ideal Tank Mates

Blue Rainbowfish: PeacefulBladder Snail (Pest Snail): Peaceful

Blue Rainbowfish & Bleeding Heart Tetra

Melanotaenia caerulea · Hyphessobrycon erythrostigma

Possible with Caution

Blue Rainbowfish: PeacefulBleeding Heart Tetra: Peaceful

Blue Rainbowfish & Bleher's Rainbowfish

Melanotaenia caerulea · Chilatherina bleheri

Ideal Tank Mates

Blue Rainbowfish: PeacefulBleher's Rainbowfish: Peaceful

Blue Rainbowfish & Blind Cave Tetra

Melanotaenia caerulea · Astyanax mexicanus

Possible with Caution

Blue Rainbowfish: PeacefulBlind Cave Tetra: Mostly Peaceful

Blue Rainbowfish & Blood Parrot Cichlid

Melanotaenia caerulea · Hybrid cichlid (Blood Parrot)

Possible with Caution

Blue Rainbowfish: PeacefulBlood Parrot Cichlid: Semi-Aggressive