Japen Rainbowfish & Fiddler Crab (Brackish)
Melanotaenia japenensis · Uca sp.
Japen Rainbowfish: PeacefulFiddler Crab (Brackish): Mostly Peaceful
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Japen Rainbowfish Tank Mates & Compatibility
Japen Rainbowfish
Melanotaenia japenensis
TemperamentPeaceful (2/10)
Adult Size11 cm
Temperature24–28°C
Water TypeFreshwater Only
Swim ZoneSurface, Mid-level
StockingSchool of 6+
Showing 265 - 288 of 735 Tank Mates
Not Recommended
Japen Rainbowfish & Figure 8 Puffer (Brackish)
Melanotaenia japenensis · Dichotomyctere ocellatus
Japen Rainbowfish: PeacefulFigure 8 Puffer (Brackish): Aggressive
Japen Rainbowfish & Filament Barb
Melanotaenia japenensis · Dawkinsia filamentosa
Japen Rainbowfish: PeacefulFilament Barb: Mostly Peaceful
Japen Rainbowfish & Finger Fish
Melanotaenia japenensis · Monodactylus argenteus
Japen Rainbowfish: PeacefulFinger Fish: Semi-Aggressive
Japen Rainbowfish & Fire Eel
Melanotaenia japenensis · Mastacembelus erythrotaenia
Japen Rainbowfish: PeacefulFire Eel: Mostly Peaceful
Japen Rainbowfish & Fire Tetra
Melanotaenia japenensis · Hyphessobrycon flammeus
Japen Rainbowfish: PeacefulFire Tetra: Peaceful
Japen Rainbowfish & Firemouth Cichlid
Melanotaenia japenensis · Thorichthys meeki
Japen Rainbowfish: PeacefulFiremouth Cichlid: Semi-Aggressive
Japen Rainbowfish & Five Banded Barb
Melanotaenia japenensis · Desmopuntius pentazona
Japen Rainbowfish: PeacefulFive Banded Barb: Peaceful
Japen Rainbowfish & Flag Tetra
Melanotaenia japenensis · Hyphessobrycon heterorhabdus
Japen Rainbowfish: PeacefulFlag Tetra: Peaceful
Japen Rainbowfish & Flagtail Cory (Mrs Schwartz's Cory)
Melanotaenia japenensis · Corydoras robineae
Japen Rainbowfish: PeacefulFlagtail Cory (Mrs Schwartz's Cory): Peaceful
Japen Rainbowfish & Flagtail Prochilodus
Melanotaenia japenensis · Semaprochilodus insignis
Japen Rainbowfish: PeacefulFlagtail Prochilodus: Semi-Aggressive
Japen Rainbowfish & Flash Pleco (L204)
Melanotaenia japenensis · Panaqolus albomaculatus
Japen Rainbowfish: PeacefulFlash Pleco (L204): Mostly Peaceful
Japen Rainbowfish & Flavus Cichlid (Pseudotropheus Flavus)
Melanotaenia japenensis · Chindongo flavus
Japen Rainbowfish: PeacefulFlavus Cichlid (Pseudotropheus Flavus): Aggressive
Japen Rainbowfish & Florida Flagfish
Melanotaenia japenensis · Jordanella floridae
Japen Rainbowfish: PeacefulFlorida Flagfish: Semi-Aggressive
Japen Rainbowfish & Florida Gar
Melanotaenia japenensis · Lepisosteus platyrhincus
Japen Rainbowfish: PeacefulFlorida Gar: Aggressive
Japen Rainbowfish & Flower Stingray
Melanotaenia japenensis · Potamotrygon schroederi
Japen Rainbowfish: PeacefulFlower Stingray: Semi-Aggressive
Japen Rainbowfish & Flowerhorn Cichlid
Melanotaenia japenensis · Hybrid cichlid (Amphilophus cross)
Japen Rainbowfish: PeacefulFlowerhorn Cichlid: Highly Aggressive
Japen Rainbowfish & Fly River Rainbowfish
Melanotaenia japenensis · Melanotaenia sexlineata
Japen Rainbowfish: PeacefulFly River Rainbowfish: Peaceful
Japen Rainbowfish & Flying Fox
Melanotaenia japenensis · Epalzeorhynchos kalopterus
Japen Rainbowfish: PeacefulFlying Fox: Aggressive
Japen Rainbowfish & Flyspeck Hardyhead
Melanotaenia japenensis · Craterocephalus stercusmuscarum
Japen Rainbowfish: PeacefulFlyspeck Hardyhead: Peaceful
Japen Rainbowfish & Forktail Blue-eye
Melanotaenia japenensis · Pseudomugil furcatus
Japen Rainbowfish: PeacefulForktail Blue-eye: Peaceful
Japen Rainbowfish & Fort Maguire Peacock
Melanotaenia japenensis · Aulonocara hansbaenschi
Japen Rainbowfish: PeacefulFort Maguire Peacock: Semi-Aggressive
Japen Rainbowfish & Fosso Cichlid (Fossorochromis rostratus)
Melanotaenia japenensis · Fossorochromis rostratus
Japen Rainbowfish: PeacefulFosso Cichlid (Fossorochromis rostratus): Semi-Aggressive
Japen Rainbowfish & Freshwater Angelfish
Melanotaenia japenensis · Pterophyllum scalare
Japen Rainbowfish: PeacefulFreshwater Angelfish: Semi-Aggressive