Eastern Rainbowfish Tank Mates & Compatibility

Eastern Rainbowfish

Melanotaenia splendida

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TemperamentPeaceful (2/10)

Adult Size12 cm

Temperature22–28°C

Water TypeFreshwater Only

Swim ZoneSurface, Mid-level

StockingSchool of 6+

Stocking calculator

Compatible on paper, but will Eastern 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 Eastern Rainbowfish to the stocking calculator to check space, stocking pressure, and water needs before you add it.

Eastern Rainbowfish

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Showing 1 - 24 of 404 Tank Mates

Eastern Rainbowfish & Abei Puffer

Melanotaenia splendida · Pao abei

Possible with Caution

Eastern Rainbowfish: PeacefulAbei Puffer: Highly Aggressive

Eastern Rainbowfish & Achara Catfish

Melanotaenia splendida · Leiarius marmoratus

Possible with Caution

Eastern Rainbowfish: PeacefulAchara Catfish: Semi-Aggressive

Eastern Rainbowfish & Adolfo Cory

Melanotaenia splendida · Corydoras adolfoi

Ideal Tank Mates

Eastern Rainbowfish: PeacefulAdolfo Cory: Peaceful

Eastern Rainbowfish & Adonis Pleco

Melanotaenia splendida · Acanthicus adonis

Possible with Caution

Eastern Rainbowfish: PeacefulAdonis Pleco: Aggressive

Eastern Rainbowfish & Aequidens Jenaro Herrera

Melanotaenia splendida · Aequidens sp. 'Jenaro Herrera'

Possible with Caution

Eastern Rainbowfish: PeacefulAequidens Jenaro Herrera: Semi-Aggressive

Eastern Rainbowfish & Aequidens diadema (Diadem Cichlid)

Melanotaenia splendida · Aequidens diadema

Possible with Caution

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

Eastern Rainbowfish & Aequidens sp. Atabapo

Melanotaenia splendida · Aequidens sp. Atabapo

Possible with Caution

Eastern Rainbowfish: PeacefulAequidens sp. Atabapo: Semi-Aggressive

Eastern Rainbowfish & Afra Cichlid

Melanotaenia splendida · Cynotilapia afra

Possible with Caution

Eastern Rainbowfish: PeacefulAfra Cichlid: Aggressive

Eastern Rainbowfish & African Arowana

Melanotaenia splendida · Heterotis niloticus

Possible with Caution

Eastern Rainbowfish: PeacefulAfrican Arowana: Mostly Peaceful

Eastern Rainbowfish & African Butterfly Cichlid

Melanotaenia splendida · Anomalochromis thomasi

Ideal Tank Mates

Eastern Rainbowfish: PeacefulAfrican Butterfly Cichlid: Mostly Peaceful

Eastern Rainbowfish & African Butterfly Fish

Melanotaenia splendida · Pantodon buchholzi

Possible with Caution

Eastern Rainbowfish: PeacefulAfrican Butterfly Fish: Semi-Aggressive

Eastern Rainbowfish & African Clawed Frog

Melanotaenia splendida · Xenopus laevis

Possible with Caution

Eastern Rainbowfish: PeacefulAfrican Clawed Frog: Aggressive

Eastern Rainbowfish & African Dwarf Frog

Melanotaenia splendida · Hymenochirus boettgeri

Possible with Caution

Eastern Rainbowfish: PeacefulAfrican Dwarf Frog: Peaceful

Eastern Rainbowfish & African Jewel Cichlid

Melanotaenia splendida · Hemichromis bimaculatus

Possible with Caution

Eastern Rainbowfish: PeacefulAfrican Jewel Cichlid: Aggressive

Eastern Rainbowfish & African Knifefish

Melanotaenia splendida · Xenomystus nigri

Possible with Caution

Eastern Rainbowfish: PeacefulAfrican Knifefish: Semi-Aggressive

Eastern Rainbowfish & African Lungfish

Melanotaenia splendida · Protopterus annectens

Possible with Caution

Eastern Rainbowfish: PeacefulAfrican Lungfish: Highly Aggressive

Eastern Rainbowfish & African Pike

Melanotaenia splendida · Hepsetus odoe

Possible with Caution

Eastern Rainbowfish: PeacefulAfrican Pike: Aggressive

Eastern Rainbowfish & African Pipefish

Melanotaenia splendida · Enneacampus ansorgii

Possible with Caution

Eastern Rainbowfish: PeacefulAfrican Pipefish: Peaceful

Eastern Rainbowfish & Agassiz Cory

Melanotaenia splendida · Corydoras agassizii

Ideal Tank Mates

Eastern Rainbowfish: PeacefulAgassiz Cory: Peaceful

Eastern Rainbowfish & Agassiz's Dwarf Cichlid

Melanotaenia splendida · Apistogramma agassizii

Possible with Caution

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

Eastern Rainbowfish & Ajamaru Rainbowfish

Melanotaenia splendida · Melanotaenia ajamaruensis

Ideal Tank Mates

Eastern Rainbowfish: PeacefulAjamaru Rainbowfish: Peaceful

Eastern Rainbowfish & Allen's Rainbowfish

Melanotaenia splendida · Chilatherina alleni

Ideal Tank Mates

Eastern Rainbowfish: PeacefulAllen's Rainbowfish: Peaceful

Eastern Rainbowfish & Alligator Gar

Melanotaenia splendida · Atractosteus spatula

Possible with Caution

Eastern Rainbowfish: PeacefulAlligator Gar: Aggressive

Eastern Rainbowfish & Alligator Pleco

Melanotaenia splendida · Pterygoplichthys scrophus

Ideal Tank Mates

Eastern Rainbowfish: PeacefulAlligator Pleco: Mostly Peaceful