Dwarf Pencilfish & Figure 8 Puffer (Brackish)
Nannostomus marginatus · Dichotomyctere ocellatus
Dwarf Pencilfish: PeacefulFigure 8 Puffer (Brackish): Aggressive
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Dwarf Pencilfish Tank Mates & Compatibility
Dwarf Pencilfish
Nannostomus marginatus
TemperamentPeaceful (1/10)
Adult Size3.5 cm
Temperature22–28°C
Water TypeFreshwater Only
Swim ZoneSurface, Mid-level
StockingSchool of 6+
Showing 265 - 288 of 735 Tank Mates
Not Recommended
Dwarf Pencilfish & Filament Barb
Nannostomus marginatus · Dawkinsia filamentosa
Dwarf Pencilfish: PeacefulFilament Barb: Mostly Peaceful
Dwarf Pencilfish & Finger Fish
Nannostomus marginatus · Monodactylus argenteus
Dwarf Pencilfish: PeacefulFinger Fish: Semi-Aggressive
Dwarf Pencilfish & Fire Eel
Nannostomus marginatus · Mastacembelus erythrotaenia
Dwarf Pencilfish: PeacefulFire Eel: Mostly Peaceful
Dwarf Pencilfish & Fire Tetra
Nannostomus marginatus · Hyphessobrycon flammeus
Dwarf Pencilfish: PeacefulFire Tetra: Peaceful
Dwarf Pencilfish & Firemouth Cichlid
Nannostomus marginatus · Thorichthys meeki
Dwarf Pencilfish: PeacefulFiremouth Cichlid: Semi-Aggressive
Dwarf Pencilfish & Five Banded Barb
Nannostomus marginatus · Desmopuntius pentazona
Dwarf Pencilfish: PeacefulFive Banded Barb: Peaceful
Dwarf Pencilfish & Flag Tetra
Nannostomus marginatus · Hyphessobrycon heterorhabdus
Dwarf Pencilfish: PeacefulFlag Tetra: Peaceful
Dwarf Pencilfish & Flagtail Cory (Mrs Schwartz's Cory)
Nannostomus marginatus · Corydoras robineae
Dwarf Pencilfish: PeacefulFlagtail Cory (Mrs Schwartz's Cory): Peaceful
Dwarf Pencilfish & Flagtail Prochilodus
Nannostomus marginatus · Semaprochilodus insignis
Dwarf Pencilfish: PeacefulFlagtail Prochilodus: Semi-Aggressive
Dwarf Pencilfish & Flash Pleco (L204)
Nannostomus marginatus · Panaqolus albomaculatus
Dwarf Pencilfish: PeacefulFlash Pleco (L204): Mostly Peaceful
Dwarf Pencilfish & Flavus Cichlid (Pseudotropheus Flavus)
Nannostomus marginatus · Chindongo flavus
Dwarf Pencilfish: PeacefulFlavus Cichlid (Pseudotropheus Flavus): Aggressive
Dwarf Pencilfish & Florida Flagfish
Nannostomus marginatus · Jordanella floridae
Dwarf Pencilfish: PeacefulFlorida Flagfish: Semi-Aggressive
Dwarf Pencilfish & Florida Gar
Nannostomus marginatus · Lepisosteus platyrhincus
Dwarf Pencilfish: PeacefulFlorida Gar: Aggressive
Dwarf Pencilfish & Flower Stingray
Nannostomus marginatus · Potamotrygon schroederi
Dwarf Pencilfish: PeacefulFlower Stingray: Semi-Aggressive
Dwarf Pencilfish & Flowerhorn Cichlid
Nannostomus marginatus · Hybrid cichlid (Amphilophus cross)
Dwarf Pencilfish: PeacefulFlowerhorn Cichlid: Highly Aggressive
Dwarf Pencilfish & Fly River Rainbowfish
Nannostomus marginatus · Melanotaenia sexlineata
Dwarf Pencilfish: PeacefulFly River Rainbowfish: Peaceful
Dwarf Pencilfish & Flying Fox
Nannostomus marginatus · Epalzeorhynchos kalopterus
Dwarf Pencilfish: PeacefulFlying Fox: Aggressive
Dwarf Pencilfish & Flyspeck Hardyhead
Nannostomus marginatus · Craterocephalus stercusmuscarum
Dwarf Pencilfish: PeacefulFlyspeck Hardyhead: Peaceful
Dwarf Pencilfish & Forktail Blue-eye
Nannostomus marginatus · Pseudomugil furcatus
Dwarf Pencilfish: PeacefulForktail Blue-eye: Peaceful
Dwarf Pencilfish & Fort Maguire Peacock
Nannostomus marginatus · Aulonocara hansbaenschi
Dwarf Pencilfish: PeacefulFort Maguire Peacock: Semi-Aggressive
Dwarf Pencilfish & Fosso Cichlid (Fossorochromis rostratus)
Nannostomus marginatus · Fossorochromis rostratus
Dwarf Pencilfish: PeacefulFosso Cichlid (Fossorochromis rostratus): Semi-Aggressive
Dwarf Pencilfish & Freshwater Angelfish
Nannostomus marginatus · Pterophyllum scalare
Dwarf Pencilfish: PeacefulFreshwater Angelfish: Semi-Aggressive
Dwarf Pencilfish & Freshwater Barracuda
Nannostomus marginatus · Ctenolucius hujeta
Dwarf Pencilfish: PeacefulFreshwater Barracuda: Semi-Aggressive