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 481 - 504 of 735 Tank Mates

Slender Rainbowfish & Pacific Blue Eye

Melanotaenia gracilis · Pseudomugil signifer

Ideal Tank Mates

Slender Rainbowfish: PeacefulPacific Blue Eye: Peaceful

Slender Rainbowfish & Pacific Sturgeon

Melanotaenia gracilis · Acipenser transmontanus

Possible with Caution

Slender Rainbowfish: PeacefulPacific Sturgeon: Mostly Peaceful

Slender Rainbowfish & Palmas Bichir

Melanotaenia gracilis · Polypterus palmas palmas

Possible with Caution

Slender Rainbowfish: PeacefulPalmas Bichir: Semi-Aggressive

Slender Rainbowfish & Panda Corydoras

Melanotaenia gracilis · Corydoras panda

Ideal Tank Mates

Slender Rainbowfish: PeacefulPanda Corydoras: Peaceful

Slender Rainbowfish & Panda Dwarf Cichlid

Melanotaenia gracilis · Apistogramma nijsseni

Slender Rainbowfish & Panda Garra

Melanotaenia gracilis · Garra flavatra

Ideal Tank Mates

Slender Rainbowfish: PeacefulPanda Garra: Mostly Peaceful

Slender Rainbowfish & Panda Tetra

Melanotaenia gracilis · Aphyocharax paraguayensis

Ideal Tank Mates

Slender Rainbowfish: PeacefulPanda Tetra: Mostly Peaceful

Slender Rainbowfish & Pangasius nasutus (Long-Nosed Pangasius)

Melanotaenia gracilis · Pangasius nasutus

Ideal Tank Mates

Slender Rainbowfish: PeacefulPangasius nasutus (Long-Nosed Pangasius): Mostly Peaceful

Slender Rainbowfish & Panther Crab

Melanotaenia gracilis · Parathelphusa pantherina

Possible with Caution

Slender Rainbowfish: PeacefulPanther Crab: Aggressive

Slender Rainbowfish & Paradise Fish

Melanotaenia gracilis · Macropodus opercularis

Possible with Caution

Slender Rainbowfish: PeacefulParadise Fish: Aggressive

Slender Rainbowfish & Parallel Cory

Melanotaenia gracilis · Corydoras parallelus

Possible with Caution

Slender Rainbowfish: PeacefulParallel Cory: Peaceful

Slender Rainbowfish & Parkinson's Rainbowfish

Melanotaenia gracilis · Melanotaenia parkinsoni

Ideal Tank Mates

Slender Rainbowfish: PeacefulParkinson's Rainbowfish: Peaceful

Slender Rainbowfish & Parnahyba Whiptail Catfish

Melanotaenia gracilis · Loricaria parnahybae

Possible with Caution

Slender Rainbowfish: PeacefulParnahyba Whiptail Catfish: Peaceful

Slender Rainbowfish & Parrot Cichlid

Melanotaenia gracilis · Hoplarchus psittacus

Possible with Caution

Slender Rainbowfish: PeacefulParrot Cichlid: Aggressive

Slender Rainbowfish & Pastel Cichlid

Melanotaenia gracilis · Cribroheros alfari

Possible with Caution

Slender Rainbowfish: PeacefulPastel Cichlid: Aggressive

Slender Rainbowfish & Payara

Melanotaenia gracilis · Hydrolycus scomberoides

Possible with Caution

Slender Rainbowfish: PeacefulPayara: Aggressive

Slender Rainbowfish & Peacock Bass Monoculus

Melanotaenia gracilis · Cichla monoculus

Possible with Caution

Slender Rainbowfish: PeacefulPeacock Bass Monoculus: Aggressive

Slender Rainbowfish & Peacock Bass Ocellaris

Melanotaenia gracilis · Cichla ocellaris

Possible with Caution

Slender Rainbowfish: PeacefulPeacock Bass Ocellaris: Aggressive

Slender Rainbowfish & Peacock Bass Orinocensis

Melanotaenia gracilis · Cichla orinocensis

Possible with Caution

Slender Rainbowfish: PeacefulPeacock Bass Orinocensis: Aggressive

Slender Rainbowfish & Peacock Bass Temensis

Melanotaenia gracilis · Cichla temensis

Possible with Caution

Slender Rainbowfish: PeacefulPeacock Bass Temensis: Aggressive

Slender Rainbowfish & Peacock Cichlid (Aulonocara)

Melanotaenia gracilis · Aulonocara sp.

Possible with Caution

Slender Rainbowfish: PeacefulPeacock Cichlid (Aulonocara): Semi-Aggressive

Slender Rainbowfish & Peacock Eel

Melanotaenia gracilis · Macrognathus siamensis

Possible with Caution

Slender Rainbowfish: PeacefulPeacock Eel: Peaceful

Slender Rainbowfish & Peacock Gudgeon

Melanotaenia gracilis · Tateurndina ocellicauda

Possible with Caution

Slender Rainbowfish: PeacefulPeacock Gudgeon: Peaceful

Slender Rainbowfish & Pearl Danio

Melanotaenia gracilis · Danio albolineatus

Ideal Tank Mates

Slender Rainbowfish: PeacefulPearl Danio: Peaceful