Slender Rainbowfish & Iridescent Shark
Melanotaenia gracilis · Pangasianodon hypophthalmus
Slender Rainbowfish: PeacefulIridescent Shark: Mostly Peaceful
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Slender Rainbowfish Tank Mates & Compatibility
Slender Rainbowfish
Melanotaenia gracilis
TemperamentPeaceful (2/10)
Adult Size8 cm
Temperature22–28°C
Water TypeFreshwater Only
Swim ZoneSurface, Mid-level
StockingSchool of 6+
Showing 361 - 384 of 735 Tank Mates
Possible with Caution
Slender Rainbowfish & Jack Dempsey
Melanotaenia gracilis · Rocio octofasciata
Slender Rainbowfish: PeacefulJack Dempsey: Aggressive
Slender Rainbowfish & Jaguar Cichlid
Melanotaenia gracilis · Parachromis managuensis
Slender Rainbowfish: PeacefulJaguar Cichlid: Highly Aggressive
Slender Rainbowfish & Japanese Ricefish (Medaka)
Melanotaenia gracilis · Oryzias latipes
Slender Rainbowfish: PeacefulJapanese Ricefish (Medaka): Peaceful
Slender Rainbowfish & Japen Rainbowfish
Melanotaenia gracilis · Melanotaenia japenensis
Slender Rainbowfish: PeacefulJapen Rainbowfish: Peaceful
Slender Rainbowfish & Julii Corydoras (False Julii)
Melanotaenia gracilis · Corydoras trilineatus
Slender Rainbowfish: PeacefulJulii Corydoras (False Julii): Peaceful
Slender Rainbowfish & Jurupari Eartheater
Melanotaenia gracilis · Satanoperca jurupari
Slender Rainbowfish: PeacefulJurupari Eartheater: Mostly Peaceful
Slender Rainbowfish & Kamaka Rainbowfish
Melanotaenia gracilis · Melanotaenia kamaka
Slender Rainbowfish: PeacefulKamaka Rainbowfish: Peaceful
Slender Rainbowfish & Kenyi Cichlid
Melanotaenia gracilis · Maylandia lombardoi
Slender Rainbowfish: PeacefulKenyi Cichlid: Highly Aggressive
Slender Rainbowfish & Keyhole Cichlid
Melanotaenia gracilis · Cleithracara maronii
Slender Rainbowfish: PeacefulKeyhole Cichlid: Peaceful
Slender Rainbowfish & Kissing Gourami
Melanotaenia gracilis · Helostoma temminckii
Slender Rainbowfish: PeacefulKissing Gourami: Semi-Aggressive
Slender Rainbowfish & Kiunga Blue Eye
Melanotaenia gracilis · Kiunga ballochi
Slender Rainbowfish: PeacefulKiunga Blue Eye: Peaceful
Slender Rainbowfish & Knight Goby
Melanotaenia gracilis · Stigmatogobius sadanundio
Slender Rainbowfish: PeacefulKnight Goby: Semi-Aggressive
Slender Rainbowfish & Koi
Melanotaenia gracilis · Cyprinus rubrofuscus
Slender Rainbowfish: PeacefulKoi: Peaceful
Slender Rainbowfish & Kribensis
Melanotaenia gracilis · Pelvicachromis pulcher
Slender Rainbowfish: PeacefulKribensis: Semi-Aggressive
Slender Rainbowfish & Kuhli Loach
Melanotaenia gracilis · Pangio kuhlii
Slender Rainbowfish: PeacefulKuhli Loach: Peaceful
Slender Rainbowfish & Lacerda Cory C015
Melanotaenia gracilis · Scleromystax lacerdai
Slender Rainbowfish: PeacefulLacerda Cory C015: Peaceful
Slender Rainbowfish & Lake Eacham Rainbowfish
Melanotaenia gracilis · Melanotaenia eachamensis
Slender Rainbowfish: PeacefulLake Eacham Rainbowfish: Peaceful
Slender Rainbowfish & Lake Mbuta Rainbowfish
Melanotaenia gracilis · Pelangia mbutaensis
Slender Rainbowfish: PeacefulLake Mbuta Rainbowfish: Peaceful
Slender Rainbowfish & Lake Tebera Rainbowfish
Melanotaenia gracilis · Melanotaenia herbertaxelrodi
Slender Rainbowfish: PeacefulLake Tebera Rainbowfish: Peaceful
Slender Rainbowfish & Lake Wanam Rainbowfish
Melanotaenia gracilis · Glossolepis wanamensis
Slender Rainbowfish: PeacefulLake Wanam Rainbowfish: Peaceful
Slender Rainbowfish & Largemouth Bass
Melanotaenia gracilis · Micropterus salmoides
Slender Rainbowfish: PeacefulLargemouth Bass: Aggressive
Slender Rainbowfish & Largereye Lampeye Killifish
Melanotaenia gracilis · Micropanchax macrophthalmus
Slender Rainbowfish: PeacefulLargereye Lampeye Killifish: Peaceful
Slender Rainbowfish & Least Killifish (Heterandria)
Melanotaenia gracilis · Heterandria formosa
Slender Rainbowfish: PeacefulLeast Killifish (Heterandria): Peaceful