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 697 - 720 of 735 Tank Mates

Slender Rainbowfish & Walking Catfish (Clarias)

Melanotaenia gracilis · Clarias batrachus

Possible with Caution

Slender Rainbowfish: PeacefulWalking Catfish (Clarias): Aggressive

Slender Rainbowfish & Wami Tilapia (Redeye)

Melanotaenia gracilis · Oreochromis hornorum

Possible with Caution

Slender Rainbowfish: PeacefulWami Tilapia (Redeye): Semi-Aggressive

Slender Rainbowfish & Warmouth

Melanotaenia gracilis · Lepomis gulosus

Possible with Caution

Slender Rainbowfish: PeacefulWarmouth: Aggressive

Slender Rainbowfish & Weeksi Bichir

Melanotaenia gracilis · Polypterus weeksii

Possible with Caution

Slender Rainbowfish: PeacefulWeeksi Bichir: Semi-Aggressive

Slender Rainbowfish & Wels Catfish (European Catfish)

Melanotaenia gracilis · Silurus glanis

Possible with Caution

Slender Rainbowfish: PeacefulWels Catfish (European Catfish): Aggressive

Slender Rainbowfish & West African Bichir

Melanotaenia gracilis · Polypterus retropinnis

Possible with Caution

Slender Rainbowfish: PeacefulWest African Bichir: Semi-Aggressive

Slender Rainbowfish & Western Rainbowfish

Melanotaenia gracilis · Melanotaenia australis

Ideal Tank Mates

Slender Rainbowfish: PeacefulWestern Rainbowfish: Peaceful

Slender Rainbowfish & Whiptail Catfish

Melanotaenia gracilis · Rineloricaria sp.

Possible with Caution

Slender Rainbowfish: PeacefulWhiptail Catfish: Peaceful

Slender Rainbowfish & Whisker Shrimp

Melanotaenia gracilis · Macrobrachium sp.

Possible with Caution

Slender Rainbowfish: PeacefulWhisker Shrimp: Aggressive

Slender Rainbowfish & White Cheeked Goby

Melanotaenia gracilis · Rhinogobius duospilus

Ideal Tank Mates

Slender Rainbowfish: PeacefulWhite Cheeked Goby: Mostly Peaceful

Slender Rainbowfish & White Cichlid

Melanotaenia gracilis · Vieja argentea

Possible with Caution

Slender Rainbowfish: PeacefulWhite Cichlid: Aggressive

Slender Rainbowfish & White Cloud Mountain Minnow

Melanotaenia gracilis · Tanichthys albonubes

Possible with Caution

Slender Rainbowfish: PeacefulWhite Cloud Mountain Minnow: Peaceful

Slender Rainbowfish & White Saum (Green Terror)

Melanotaenia gracilis · Andinoacara stalsbergi

Possible with Caution

Slender Rainbowfish: PeacefulWhite Saum (Green Terror): Aggressive

Slender Rainbowfish & White Top Hara (Gallireya Reef)

Melanotaenia gracilis · Cynotilapia sp. 'hara'

Possible with Caution

Slender Rainbowfish: PeacefulWhite Top Hara (Gallireya Reef): Aggressive

Slender Rainbowfish & Whiteseam Fighter

Melanotaenia gracilis · Betta albimarginata

Slender Rainbowfish & Wolf Cichlid

Melanotaenia gracilis · Parachromis dovii

Possible with Caution

Slender Rainbowfish: PeacefulWolf Cichlid: Highly Aggressive

Slender Rainbowfish & Wolf Fish

Melanotaenia gracilis · Hoplias malabaricus

Possible with Caution

Slender Rainbowfish: PeacefulWolf Fish: Highly Aggressive

Slender Rainbowfish & Wrestling Halfbeak

Melanotaenia gracilis · Dermogenys pusilla

Ideal Tank Mates

Slender Rainbowfish: PeacefulWrestling Halfbeak: Mostly Peaceful

Slender Rainbowfish & X-Ray Tetra (Pristella)

Melanotaenia gracilis · Pristella maxillaris

Ideal Tank Mates

Slender Rainbowfish: PeacefulX-Ray Tetra (Pristella): Peaceful

Slender Rainbowfish & Xenotilapia ochrogenys

Melanotaenia gracilis · Xenotilapia ochrogenys

Possible with Caution

Slender Rainbowfish: PeacefulXenotilapia ochrogenys: Mostly Peaceful

Slender Rainbowfish & Xenotilapia papilio

Melanotaenia gracilis · Xenotilapia papilio

Possible with Caution

Slender Rainbowfish: PeacefulXenotilapia papilio: Semi-Aggressive

Slender Rainbowfish & Yellow Acara

Melanotaenia gracilis · Aequidens metae

Possible with Caution

Slender Rainbowfish: PeacefulYellow Acara: Semi-Aggressive

Slender Rainbowfish & Yellow Bullhead Catfish

Melanotaenia gracilis · Ameiurus natalis

Possible with Caution

Slender Rainbowfish: PeacefulYellow Bullhead Catfish: Semi-Aggressive

Slender Rainbowfish & Yellow Convict

Melanotaenia gracilis · Cryptoheros nanoluteus

Possible with Caution

Slender Rainbowfish: PeacefulYellow Convict: Semi-Aggressive