Blue Rainbowfish Tank Mates & Compatibility

Blue Rainbowfish

Melanotaenia caerulea

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TemperamentPeaceful (2/10)

Adult Size8 cm

Temperature24–28°C

Water TypeFreshwater Only

Swim ZoneMid-level, Surface

StockingSchool of 6+

Showing 409 - 432 of 735 Tank Mates

Blue Rainbowfish & Madagascar Rainbowfish

Melanotaenia caerulea · Bedotia madagascariensis

Ideal Tank Mates

Blue Rainbowfish: PeacefulMadagascar Rainbowfish: Peaceful

Blue Rainbowfish & Maingano Mbuna

Melanotaenia caerulea · Pseudotropheus cyaneorhabdos

Possible with Caution

Blue Rainbowfish: PeacefulMaingano Mbuna: Aggressive

Blue Rainbowfish & Maison Reef Peacock

Melanotaenia caerulea · Aulonocara stuartgranti "Maison Reef"

Possible with Caution

Blue Rainbowfish: PeacefulMaison Reef Peacock: Semi-Aggressive

Blue Rainbowfish & Malawi Eyebiter

Melanotaenia caerulea · Dimidiochromis compressiceps

Possible with Caution

Blue Rainbowfish: PeacefulMalawi Eyebiter: Aggressive

Blue Rainbowfish & Malawi Gar

Melanotaenia caerulea · Lichnochromis acuticeps

Possible with Caution

Blue Rainbowfish: PeacefulMalawi Gar: Semi-Aggressive

Blue Rainbowfish & Malawi Hawk

Melanotaenia caerulea · Aristochromis christyi

Possible with Caution

Blue Rainbowfish: PeacefulMalawi Hawk: Aggressive

Blue Rainbowfish & Malaya Shrimp

Melanotaenia caerulea · Caridina sp. "Malaya"

Ideal Tank Mates

Blue Rainbowfish: PeacefulMalaya Shrimp: Peaceful

Blue Rainbowfish & Malaysian Trumpet Snail (MTS)

Melanotaenia caerulea · Melanoides tuberculata

Ideal Tank Mates

Blue Rainbowfish: PeacefulMalaysian Trumpet Snail (MTS): Peaceful

Blue Rainbowfish & Mamberamo Rainbowfish

Melanotaenia caerulea · Melanotaenia mamberamo

Ideal Tank Mates

Blue Rainbowfish: PeacefulMamberamo Rainbowfish: Peaceful

Blue Rainbowfish & Marble Goby

Melanotaenia caerulea · Oxyeleotris marmorata

Possible with Caution

Blue Rainbowfish: PeacefulMarble Goby: Aggressive

Blue Rainbowfish & Marbled Bichir

Melanotaenia caerulea · Polypterus polli

Possible with Caution

Blue Rainbowfish: PeacefulMarbled Bichir: Semi-Aggressive

Blue Rainbowfish & Marbled Hatchetfish

Melanotaenia caerulea · Carnegiella strigata

Possible with Caution

Blue Rainbowfish: PeacefulMarbled Hatchetfish: Peaceful

Blue Rainbowfish & Marbled Whiptail

Melanotaenia caerulea · Loricaria simillima

Possible with Caution

Blue Rainbowfish: PeacefulMarbled Whiptail: Peaceful

Blue Rainbowfish & Marlier's Julie

Melanotaenia caerulea · Julidochromis marlieri

Blue Rainbowfish & Masked Julie (Julidochromis)

Melanotaenia caerulea · Julidochromis transcriptus

Possible with Caution

Blue Rainbowfish: PeacefulMasked Julie (Julidochromis): Semi-Aggressive

Blue Rainbowfish & Mayan Cichlid

Melanotaenia caerulea · Mayaheros urophthalmus

Possible with Caution

Blue Rainbowfish: PeacefulMayan Cichlid: Aggressive

Blue Rainbowfish & Mayland's Rainbowfish

Melanotaenia caerulea · Melanotaenia maylandi

Ideal Tank Mates

Blue Rainbowfish: PeacefulMayland's Rainbowfish: Peaceful

Blue Rainbowfish & Mbu Puffer

Melanotaenia caerulea · Tetraodon mbu

Possible with Caution

Blue Rainbowfish: PeacefulMbu Puffer: Aggressive

Blue Rainbowfish & Melon Barb

Melanotaenia caerulea · Haludaria fasciata

Ideal Tank Mates

Blue Rainbowfish: PeacefulMelon Barb: Mostly Peaceful

Blue Rainbowfish & Mexican Dwarf Crayfish (CPO)

Melanotaenia caerulea · Cambarellus patzcuarensis

Possible with Caution

Blue Rainbowfish: PeacefulMexican Dwarf Crayfish (CPO): Mostly Peaceful

Blue Rainbowfish & Midas Cichlid

Melanotaenia caerulea · Amphilophus citrinellus

Possible with Caution

Blue Rainbowfish: PeacefulMidas Cichlid: Highly Aggressive

Blue Rainbowfish & Midnight Catfish

Melanotaenia caerulea · Auchenipterichthys coracoideus

Possible with Caution

Blue Rainbowfish: PeacefulMidnight Catfish: Mostly Peaceful

Blue Rainbowfish & Milomo Hap (Super VC10)

Melanotaenia caerulea · Placidochromis milomo

Possible with Caution

Blue Rainbowfish: PeacefulMilomo Hap (Super VC10): Semi-Aggressive

Blue Rainbowfish & Misool Rainbowfish

Melanotaenia caerulea · Melanotaenia misoolensis

Ideal Tank Mates

Blue Rainbowfish: PeacefulMisool Rainbowfish: Peaceful