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+

Stocking calculator

Compatible on paper, but will Blue Rainbowfish fit your setup?

Tank mates can still go wrong if the tank is too small, already full, or the water is a poor match. Add Blue Rainbowfish to the stocking calculator to check space, stocking pressure, and water needs before you add it.

Blue Rainbowfish

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Showing 1 - 24 of 404 Tank Mates

Blue Rainbowfish & Abei Puffer

Melanotaenia caerulea · Pao abei

Possible with Caution

Blue Rainbowfish: PeacefulAbei Puffer: Highly Aggressive

Blue Rainbowfish & Achara Catfish

Melanotaenia caerulea · Leiarius marmoratus

Possible with Caution

Blue Rainbowfish: PeacefulAchara Catfish: Semi-Aggressive

Blue Rainbowfish & Adolfo Cory

Melanotaenia caerulea · Corydoras adolfoi

Possible with Caution

Blue Rainbowfish: PeacefulAdolfo Cory: Peaceful

Blue Rainbowfish & Adonis Pleco

Melanotaenia caerulea · Acanthicus adonis

Possible with Caution

Blue Rainbowfish: PeacefulAdonis Pleco: Aggressive

Blue Rainbowfish & Aequidens Jenaro Herrera

Melanotaenia caerulea · Aequidens sp. 'Jenaro Herrera'

Possible with Caution

Blue Rainbowfish: PeacefulAequidens Jenaro Herrera: Semi-Aggressive

Blue Rainbowfish & Aequidens diadema (Diadem Cichlid)

Melanotaenia caerulea · Aequidens diadema

Possible with Caution

Blue Rainbowfish: PeacefulAequidens diadema (Diadem Cichlid): Semi-Aggressive

Blue Rainbowfish & Aequidens sp. Atabapo

Melanotaenia caerulea · Aequidens sp. Atabapo

Possible with Caution

Blue Rainbowfish: PeacefulAequidens sp. Atabapo: Semi-Aggressive

Blue Rainbowfish & Afra Cichlid

Melanotaenia caerulea · Cynotilapia afra

Possible with Caution

Blue Rainbowfish: PeacefulAfra Cichlid: Aggressive

Blue Rainbowfish & African Arowana

Melanotaenia caerulea · Heterotis niloticus

Possible with Caution

Blue Rainbowfish: PeacefulAfrican Arowana: Mostly Peaceful

Blue Rainbowfish & African Butterfly Cichlid

Melanotaenia caerulea · Anomalochromis thomasi

Ideal Tank Mates

Blue Rainbowfish: PeacefulAfrican Butterfly Cichlid: Mostly Peaceful

Blue Rainbowfish & African Butterfly Fish

Melanotaenia caerulea · Pantodon buchholzi

Possible with Caution

Blue Rainbowfish: PeacefulAfrican Butterfly Fish: Semi-Aggressive

Blue Rainbowfish & African Clawed Frog

Melanotaenia caerulea · Xenopus laevis

Possible with Caution

Blue Rainbowfish: PeacefulAfrican Clawed Frog: Aggressive

Blue Rainbowfish & African Dwarf Frog

Melanotaenia caerulea · Hymenochirus boettgeri

Possible with Caution

Blue Rainbowfish: PeacefulAfrican Dwarf Frog: Peaceful

Blue Rainbowfish & African Jewel Cichlid

Melanotaenia caerulea · Hemichromis bimaculatus

Possible with Caution

Blue Rainbowfish: PeacefulAfrican Jewel Cichlid: Aggressive

Blue Rainbowfish & African Knifefish

Melanotaenia caerulea · Xenomystus nigri

Possible with Caution

Blue Rainbowfish: PeacefulAfrican Knifefish: Semi-Aggressive

Blue Rainbowfish & African Lungfish

Melanotaenia caerulea · Protopterus annectens

Possible with Caution

Blue Rainbowfish: PeacefulAfrican Lungfish: Highly Aggressive

Blue Rainbowfish & African Pike

Melanotaenia caerulea · Hepsetus odoe

Possible with Caution

Blue Rainbowfish: PeacefulAfrican Pike: Aggressive

Blue Rainbowfish & African Pipefish

Melanotaenia caerulea · Enneacampus ansorgii

Possible with Caution

Blue Rainbowfish: PeacefulAfrican Pipefish: Peaceful

Blue Rainbowfish & Agassiz Cory

Melanotaenia caerulea · Corydoras agassizii

Ideal Tank Mates

Blue Rainbowfish: PeacefulAgassiz Cory: Peaceful

Blue Rainbowfish & Agassiz's Dwarf Cichlid

Melanotaenia caerulea · Apistogramma agassizii

Possible with Caution

Blue Rainbowfish: PeacefulAgassiz's Dwarf Cichlid: Semi-Aggressive

Blue Rainbowfish & Ajamaru Rainbowfish

Melanotaenia caerulea · Melanotaenia ajamaruensis

Ideal Tank Mates

Blue Rainbowfish: PeacefulAjamaru Rainbowfish: Peaceful

Blue Rainbowfish & Allen's Rainbowfish

Melanotaenia caerulea · Chilatherina alleni

Ideal Tank Mates

Blue Rainbowfish: PeacefulAllen's Rainbowfish: Peaceful

Blue Rainbowfish & Alligator Gar

Melanotaenia caerulea · Atractosteus spatula

Possible with Caution

Blue Rainbowfish: PeacefulAlligator Gar: Aggressive

Blue Rainbowfish & Alligator Pleco

Melanotaenia caerulea · Pterygoplichthys scrophus

Possible with Caution

Blue Rainbowfish: PeacefulAlligator Pleco: Mostly Peaceful