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 553 - 576 of 735 Tank Mates

Slender Rainbowfish & Red Peacock (Ruby Red)

Melanotaenia gracilis · Aulonocara sp. 'Rubescens'

Possible with Caution

Slender Rainbowfish: PeacefulRed Peacock (Ruby Red): Semi-Aggressive

Slender Rainbowfish & Red Phantom Tetra

Melanotaenia gracilis · Hyphessobrycon sweglesi

Possible with Caution

Slender Rainbowfish: PeacefulRed Phantom Tetra: Peaceful

Slender Rainbowfish & Red Rainbowfish

Melanotaenia gracilis · Glossolepis incisus

Ideal Tank Mates

Slender Rainbowfish: PeacefulRed Rainbowfish: Mostly Peaceful

Slender Rainbowfish & Red Striped Eartheater

Melanotaenia gracilis · Geophagus surinamensis

Ideal Tank Mates

Slender Rainbowfish: PeacefulRed Striped Eartheater: Mostly Peaceful

Slender Rainbowfish & Red Swamp Crayfish

Melanotaenia gracilis · Procambarus clarkii

Possible with Caution

Slender Rainbowfish: PeacefulRed Swamp Crayfish: Highly Aggressive

Slender Rainbowfish & Red Tail Barracuda

Melanotaenia gracilis · Acestrorhynchus falcatus

Possible with Caution

Slender Rainbowfish: PeacefulRed Tail Barracuda: Aggressive

Slender Rainbowfish & Red Tailed Black Shark

Melanotaenia gracilis · Epalzeorhynchos bicolor

Possible with Caution

Slender Rainbowfish: PeacefulRed Tailed Black Shark: Aggressive

Slender Rainbowfish & Red Tailed Redeye Puffer

Melanotaenia gracilis · Carinotetraodon irrubesco

Possible with Caution

Slender Rainbowfish: PeacefulRed Tailed Redeye Puffer: Semi-Aggressive

Slender Rainbowfish & Red Terror (Festa's Cichlid)

Melanotaenia gracilis · Mesoheros festae

Possible with Caution

Slender Rainbowfish: PeacefulRed Terror (Festa's Cichlid): Highly Aggressive

Slender Rainbowfish & Red Top Cobalt Cichlid

Melanotaenia gracilis · Metriaclima greshakei

Possible with Caution

Slender Rainbowfish: PeacefulRed Top Cobalt Cichlid: Aggressive

Slender Rainbowfish & Red Tupfel Shrimp

Melanotaenia gracilis · Caridina serrata

Ideal Tank Mates

Slender Rainbowfish: PeacefulRed Tupfel Shrimp: Peaceful

Slender Rainbowfish & Red Zebra Cichlid (Cherry Red)

Melanotaenia gracilis · Metriaclima estherae

Possible with Caution

Slender Rainbowfish: PeacefulRed Zebra Cichlid (Cherry Red): Aggressive

Slender Rainbowfish & Red-Bellied Piranha

Melanotaenia gracilis · Pygocentrus nattereri

Possible with Caution

Slender Rainbowfish: PeacefulRed-Bellied Piranha: Aggressive

Slender Rainbowfish & Red-Finned Rainbowfish

Melanotaenia gracilis · Melanotaenia rubripinnis

Ideal Tank Mates

Slender Rainbowfish: PeacefulRed-Finned Rainbowfish: Peaceful

Slender Rainbowfish & Red-Tail Catfish

Melanotaenia gracilis · Phractocephalus hemioliopterus

Possible with Caution

Slender Rainbowfish: PeacefulRed-Tail Catfish: Aggressive

Slender Rainbowfish & Redbreast Sunfish

Melanotaenia gracilis · Lepomis auritus

Possible with Caution

Slender Rainbowfish: PeacefulRedbreast Sunfish: Aggressive

Slender Rainbowfish & Redear Sunfish

Melanotaenia gracilis · Lepomis microlophus

Possible with Caution

Slender Rainbowfish: PeacefulRedear Sunfish: Semi-Aggressive

Slender Rainbowfish & Redhead Cichlid

Melanotaenia gracilis · Vieja melanura

Possible with Caution

Slender Rainbowfish: PeacefulRedhead Cichlid: Aggressive

Slender Rainbowfish & Redhead Severum

Melanotaenia gracilis · Heros sp. Rotkeil

Possible with Caution

Slender Rainbowfish: PeacefulRedhead Severum: Semi-Aggressive

Slender Rainbowfish & Redline Rasbora

Melanotaenia gracilis · Rasbora pauciperforata

Slender Rainbowfish & Redtail Splitfin

Melanotaenia gracilis · Xenotoca eiseni

Possible with Caution

Slender Rainbowfish: PeacefulRedtail Splitfin: Semi-Aggressive

Slender Rainbowfish & Reedfish (Ropefish)

Melanotaenia gracilis · Erpetoichthys calabaricus

Ideal Tank Mates

Slender Rainbowfish: PeacefulReedfish (Ropefish): Mostly Peaceful

Slender Rainbowfish & Regan's Julie

Melanotaenia gracilis · Julidochromis regani

Possible with Caution

Slender Rainbowfish: PeacefulRegan's Julie: Aggressive

Slender Rainbowfish & Reticulated Hillstream Loach

Melanotaenia gracilis · Sewellia lineolata

Ideal Tank Mates

Slender Rainbowfish: PeacefulReticulated Hillstream Loach: Mostly Peaceful