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 649 - 672 of 735 Tank Mates

Slender Rainbowfish & Tailbar Cichlid

Melanotaenia gracilis · Vieja hartwegi

Possible with Caution

Slender Rainbowfish: PeacefulTailbar Cichlid: Aggressive

Slender Rainbowfish & Taiwan Reef Cichlid

Melanotaenia gracilis · Protomelas sp. "Steveni Taiwan"

Possible with Caution

Slender Rainbowfish: PeacefulTaiwan Reef Cichlid: Semi-Aggressive

Slender Rainbowfish & Tambraparni Barb

Melanotaenia gracilis · Puntius tambraparniei

Ideal Tank Mates

Slender Rainbowfish: PeacefulTambraparni Barb: Mostly Peaceful

Slender Rainbowfish & Tami River Rainbowfish

Melanotaenia gracilis · Glossolepis pseudoincisus

Ideal Tank Mates

Slender Rainbowfish: PeacefulTami River Rainbowfish: Peaceful

Slender Rainbowfish & Tandanus Catfish

Melanotaenia gracilis · Tandanus tandanus

Ideal Tank Mates

Slender Rainbowfish: PeacefulTandanus Catfish: Mostly Peaceful

Slender Rainbowfish & Tanganyikan Clown Cichlid (Eretmodus)

Melanotaenia gracilis · Eretmodus cyanostictus

Possible with Caution

Slender Rainbowfish: PeacefulTanganyikan Clown Cichlid (Eretmodus): Aggressive

Slender Rainbowfish & Teacup Stingray (Common Freshwater Ray)

Melanotaenia gracilis · Potamotrygon laticeps

Possible with Caution

Slender Rainbowfish: PeacefulTeacup Stingray (Common Freshwater Ray): Semi-Aggressive

Slender Rainbowfish & Telmatochromis brichardi

Melanotaenia gracilis · Telmatochromis brichardi

Possible with Caution

Slender Rainbowfish: PeacefulTelmatochromis brichardi: Semi-Aggressive

Slender Rainbowfish & Telmatochromis dhonti

Melanotaenia gracilis · Telmatochromis dhonti

Possible with Caution

Slender Rainbowfish: PeacefulTelmatochromis dhonti: Aggressive

Slender Rainbowfish & Tequila Splitfin

Melanotaenia gracilis · Zoogoneticus tequila

Possible with Caution

Slender Rainbowfish: PeacefulTequila Splitfin: Semi-Aggressive

Slender Rainbowfish & Teugelsi Bichir

Melanotaenia gracilis · Polypterus teugelsi

Possible with Caution

Slender Rainbowfish: PeacefulTeugelsi Bichir: Semi-Aggressive

Slender Rainbowfish & Texas Cichlid

Melanotaenia gracilis · Herichthys cyanoguttatus

Possible with Caution

Slender Rainbowfish: PeacefulTexas Cichlid: Aggressive

Slender Rainbowfish & Thai Micro Crab

Melanotaenia gracilis · Limnopilos naiyanetri

Possible with Caution

Slender Rainbowfish: PeacefulThai Micro Crab: Peaceful

Slender Rainbowfish & Thinbar Datnoid

Melanotaenia gracilis · Datnioides undecimradiatus

Possible with Caution

Slender Rainbowfish: PeacefulThinbar Datnoid: Semi-Aggressive

Slender Rainbowfish & Threadfin Acara

Melanotaenia gracilis · Acarichthys heckelii

Ideal Tank Mates

Slender Rainbowfish: PeacefulThreadfin Acara: Mostly Peaceful

Slender Rainbowfish & Threadfin Rainbowfish

Melanotaenia gracilis · Iriatherina werneri

Possible with Caution

Slender Rainbowfish: PeacefulThreadfin Rainbowfish: Peaceful

Slender Rainbowfish & Three Spot Gourami (Blue/Gold/Opaline)

Melanotaenia gracilis · Trichopodus trichopterus

Possible with Caution

Slender Rainbowfish: PeacefulThree Spot Gourami (Blue/Gold/Opaline): Semi-Aggressive

Slender Rainbowfish & Three-Spot Torpedo Hap

Melanotaenia gracilis · Exochochromis anagenys

Possible with Caution

Slender Rainbowfish: PeacefulThree-Spot Torpedo Hap: Semi-Aggressive

Slender Rainbowfish & Three-striped Dwarf Cichlid

Melanotaenia gracilis · Apistogramma trifasciata

Possible with Caution

Slender Rainbowfish: PeacefulThree-striped Dwarf Cichlid: Mostly Peaceful

Slender Rainbowfish & Tiger Barb

Melanotaenia gracilis · Puntigrus tetrazona

Possible with Caution

Slender Rainbowfish: PeacefulTiger Barb: Semi-Aggressive

Slender Rainbowfish & Tiger Danio

Melanotaenia gracilis · Devario maetaengensis

Ideal Tank Mates

Slender Rainbowfish: PeacefulTiger Danio: Peaceful

Slender Rainbowfish & Tiger Loach

Melanotaenia gracilis · Syncrossus hymenophysa

Possible with Caution

Slender Rainbowfish: PeacefulTiger Loach: Aggressive

Slender Rainbowfish & Tiger Muskie

Melanotaenia gracilis · Esox masquinongy x lucius

Possible with Caution

Slender Rainbowfish: PeacefulTiger Muskie: Highly Aggressive

Slender Rainbowfish & Tiger Pleco (L002)

Melanotaenia gracilis · Panaqolus sp. L002

Possible with Caution

Slender Rainbowfish: PeacefulTiger Pleco (L002): Mostly Peaceful