Slender Rainbowfish Tank Mates & Compatibility

Slender Rainbowfish

Melanotaenia gracilis

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TemperamentPeaceful (2/10)

Adult Size8 cm

Temperature22–28°C

Water TypeFreshwater Only

Swim ZoneSurface, Mid-level

StockingSchool of 6+

Showing 145 - 168 of 735 Tank Mates

Slender Rainbowfish & Buccochromis lepturus

Melanotaenia gracilis · Buccochromis lepturus

Possible with Caution

Slender Rainbowfish: PeacefulBuccochromis lepturus: Semi-Aggressive

Slender Rainbowfish & Buccochromis rhoadesii

Melanotaenia gracilis · Buccochromis rhoadesii

Possible with Caution

Slender Rainbowfish: PeacefulBuccochromis rhoadesii: Aggressive

Slender Rainbowfish & Bucktooth Tetra (Exodon)

Melanotaenia gracilis · Exodon paradoxus

Possible with Caution

Slender Rainbowfish: PeacefulBucktooth Tetra (Exodon): Highly Aggressive

Slender Rainbowfish & Buenos Aires Tetra

Melanotaenia gracilis · Hyphessobrycon anisitsi

Possible with Caution

Slender Rainbowfish: PeacefulBuenos Aires Tetra: Semi-Aggressive

Slender Rainbowfish & Buettikoferi Bichir

Melanotaenia gracilis · Polypterus palmas buettikoferi

Possible with Caution

Slender Rainbowfish: PeacefulBuettikoferi Bichir: Semi-Aggressive

Slender Rainbowfish & Buffalo Head Cichlid

Melanotaenia gracilis · Steatocranus casuarius

Possible with Caution

Slender Rainbowfish: PeacefulBuffalo Head Cichlid: Semi-Aggressive

Slender Rainbowfish & Bullseye Catfish

Melanotaenia gracilis · Horabagrus brachysoma

Possible with Caution

Slender Rainbowfish: PeacefulBullseye Catfish: Semi-Aggressive

Slender Rainbowfish & Bullseye Snakehead

Melanotaenia gracilis · Channa marulius

Possible with Caution

Slender Rainbowfish: PeacefulBullseye Snakehead: Highly Aggressive

Slender Rainbowfish & Bulolo Rainbowfish

Melanotaenia gracilis · Chilatherina bulolo

Ideal Tank Mates

Slender Rainbowfish: PeacefulBulolo Rainbowfish: Peaceful

Slender Rainbowfish & Bumblebee Catfish (South American)

Melanotaenia gracilis · Microglanis iheringi

Possible with Caution

Slender Rainbowfish: PeacefulBumblebee Catfish (South American): Mostly Peaceful

Slender Rainbowfish & Bumblebee Cichlid

Melanotaenia gracilis · Pseudotropheus crabro

Possible with Caution

Slender Rainbowfish: PeacefulBumblebee Cichlid: Aggressive

Slender Rainbowfish & Bumblebee Goby (Brackish)

Melanotaenia gracilis · Brachygobius xanthozonus

Slender Rainbowfish & Butterfly Goodeid

Melanotaenia gracilis · Ameca splendens

Possible with Caution

Slender Rainbowfish: PeacefulButterfly Goodeid: Semi-Aggressive

Slender Rainbowfish & Butterfly Peacock Cichlid

Melanotaenia gracilis · Aulonocara jacobfreibergi

Possible with Caution

Slender Rainbowfish: PeacefulButterfly Peacock Cichlid: Semi-Aggressive

Slender Rainbowfish & Butterfly Pleco (L168)

Melanotaenia gracilis · Dekeyseria brachyura

Possible with Caution

Slender Rainbowfish: PeacefulButterfly Pleco (L168): Peaceful

Slender Rainbowfish & Cairns Rainbowfish

Melanotaenia gracilis · Cairnsichthys rhombosomoides

Ideal Tank Mates

Slender Rainbowfish: PeacefulCairns Rainbowfish: Peaceful

Slender Rainbowfish & Candy Striped Pleco (L015)

Melanotaenia gracilis · Peckoltia vittata

Possible with Caution

Slender Rainbowfish: PeacefulCandy Striped Pleco (L015): Mostly Peaceful

Slender Rainbowfish & Cardinal Shrimp (Sulawesi)

Melanotaenia gracilis · Caridina dennerli

Possible with Caution

Slender Rainbowfish: PeacefulCardinal Shrimp (Sulawesi): Peaceful

Slender Rainbowfish & Cardinal Tetra

Melanotaenia gracilis · Paracheirodon axelrodi

Possible with Caution

Slender Rainbowfish: PeacefulCardinal Tetra: Peaceful

Slender Rainbowfish & Celebes Halfbeak

Melanotaenia gracilis · Nomorhamphus liemi

Ideal Tank Mates

Slender Rainbowfish: PeacefulCelebes Halfbeak: Mostly Peaceful

Slender Rainbowfish & Celebes Rainbowfish

Melanotaenia gracilis · Marosatherina ladigesi

Ideal Tank Mates

Slender Rainbowfish: PeacefulCelebes Rainbowfish: Peaceful

Slender Rainbowfish & Celestial Pearl Danio (Galaxy Rasbora)

Melanotaenia gracilis · Danio margaritatus

Possible with Caution

Slender Rainbowfish: PeacefulCelestial Pearl Danio (Galaxy Rasbora): Peaceful

Slender Rainbowfish & Ceylon Puffer (Brackish)

Melanotaenia gracilis · Dichotomyctere fluviatilis

Slender Rainbowfish & Chanchito

Melanotaenia gracilis · Australoheros facetus

Possible with Caution

Slender Rainbowfish: PeacefulChanchito: Semi-Aggressive