Slender Rainbowfish Tank Mates & Compatibility

Slender Rainbowfish

Melanotaenia gracilis

View full care guide

TemperamentPeaceful (2/10)

Adult Size8 cm

Temperature22–28°C

Water TypeFreshwater Only

Swim ZoneSurface, Mid-level

StockingSchool of 6+

Showing 529 - 552 of 735 Tank Mates

Slender Rainbowfish & Pumpkinseed

Melanotaenia gracilis · Lepomis gibbosus

Possible with Caution

Slender Rainbowfish: PeacefulPumpkinseed: Aggressive

Slender Rainbowfish & Pungas Catfish

Melanotaenia gracilis · Pangasius pangasius

Possible with Caution

Slender Rainbowfish: PeacefulPungas Catfish: Mostly Peaceful

Slender Rainbowfish & Purple Spotted Gudgeon

Melanotaenia gracilis · Mogurnda adspersa

Possible with Caution

Slender Rainbowfish: PeacefulPurple Spotted Gudgeon: Semi-Aggressive

Slender Rainbowfish & Purple Zebra Shrimp

Melanotaenia gracilis · Potamalpheops sp.

Possible with Caution

Slender Rainbowfish: PeacefulPurple Zebra Shrimp: Peaceful

Slender Rainbowfish & Pygmy Corydoras

Melanotaenia gracilis · Corydoras pygmaeus

Possible with Caution

Slender Rainbowfish: PeacefulPygmy Corydoras: Peaceful

Slender Rainbowfish & Pygmy Rainbowfish

Melanotaenia gracilis · Melanotaenia pygmaea

Ideal Tank Mates

Slender Rainbowfish: PeacefulPygmy Rainbowfish: Mostly Peaceful

Slender Rainbowfish & Rachov's Killifish (Annual)

Melanotaenia gracilis · Nothobranchius rachovii

Ideal Tank Mates

Slender Rainbowfish: PeacefulRachov's Killifish (Annual): Mostly Peaceful

Slender Rainbowfish & Rainbow Cichlid

Melanotaenia gracilis · Herotilapia multispinosa

Possible with Caution

Slender Rainbowfish: PeacefulRainbow Cichlid: Mostly Peaceful

Slender Rainbowfish & Rainbow Shark

Melanotaenia gracilis · Epalzeorhynchos frenatum

Possible with Caution

Slender Rainbowfish: PeacefulRainbow Shark: Aggressive

Slender Rainbowfish & Rainbow Snakehead

Melanotaenia gracilis · Channa bleheri

Possible with Caution

Slender Rainbowfish: PeacefulRainbow Snakehead: Aggressive

Slender Rainbowfish & Ramshorn Snail

Melanotaenia gracilis · Planorbidae fam.

Ideal Tank Mates

Slender Rainbowfish: PeacefulRamshorn Snail: Peaceful

Slender Rainbowfish & Ramu Rainbowfish

Melanotaenia gracilis · Glossolepis ramuensis

Ideal Tank Mates

Slender Rainbowfish: PeacefulRamu Rainbowfish: Mostly Peaceful

Slender Rainbowfish & Raspy River Stingray

Melanotaenia gracilis · Potamotrygon scobina

Possible with Caution

Slender Rainbowfish: PeacefulRaspy River Stingray: Mostly Peaceful

Slender Rainbowfish & Red Bellied Pacu

Melanotaenia gracilis · Piaractus brachypomus

Possible with Caution

Slender Rainbowfish: PeacefulRed Bellied Pacu: Mostly Peaceful

Slender Rainbowfish & Red Breasted Acara

Melanotaenia gracilis · Laetacara dorsigera

Possible with Caution

Slender Rainbowfish: PeacefulRed Breasted Acara: Mostly Peaceful

Slender Rainbowfish & Red Devil Cichlid

Melanotaenia gracilis · Amphilophus labiatus

Possible with Caution

Slender Rainbowfish: PeacefulRed Devil Cichlid: Highly Aggressive

Slender Rainbowfish & Red Dwarf Rasbora

Melanotaenia gracilis · Microrasbora rubescens

Possible with Caution

Slender Rainbowfish: PeacefulRed Dwarf Rasbora: Peaceful

Slender Rainbowfish & Red Empress

Melanotaenia gracilis · Protomelas taeniolatus

Possible with Caution

Slender Rainbowfish: PeacefulRed Empress: Semi-Aggressive

Slender Rainbowfish & Red Eye Tetra

Melanotaenia gracilis · Moenkhausia sanctaefilomenae

Possible with Caution

Slender Rainbowfish: PeacefulRed Eye Tetra: Mostly Peaceful

Slender Rainbowfish & Red Fin Borleyi

Melanotaenia gracilis · Copadichromis borleyi

Possible with Caution

Slender Rainbowfish: PeacefulRed Fin Borleyi: Semi-Aggressive

Slender Rainbowfish & Red Fin Caudopunk

Melanotaenia gracilis · Neolamprologus caudopunctatus

Possible with Caution

Slender Rainbowfish: PeacefulRed Fin Caudopunk: Semi-Aggressive

Slender Rainbowfish & Red Goldflake Shrimp

Melanotaenia gracilis · Caridina sp. Red Goldflake

Possible with Caution

Slender Rainbowfish: PeacefulRed Goldflake Shrimp: Peaceful

Slender Rainbowfish & Red Head Tapajos (Geophagus)

Melanotaenia gracilis · Geophagus sp. 'Red Head Tapajos'

Possible with Caution

Slender Rainbowfish: PeacefulRed Head Tapajos (Geophagus): Mostly Peaceful

Slender Rainbowfish & Red Hump Eartheater

Melanotaenia gracilis · Geophagus steindachneri

Possible with Caution

Slender Rainbowfish: PeacefulRed Hump Eartheater: Semi-Aggressive