Dwarf Pencilfish & Eastern Rainbowfish
Nannostomus marginatus · Melanotaenia splendida
Dwarf Pencilfish: PeacefulEastern Rainbowfish: Peaceful
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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 241 - 264 of 735 Tank Mates
Possible with Caution
Dwarf Pencilfish & Electric Blue Crayfish
Nannostomus marginatus · Procambarus alleni
Dwarf Pencilfish: PeacefulElectric Blue Crayfish: Aggressive
Dwarf Pencilfish & Electric Blue Hap
Nannostomus marginatus · Sciaenochromis fryeri
Dwarf Pencilfish: PeacefulElectric Blue Hap: Aggressive
Dwarf Pencilfish & Electric Blue Johannii
Nannostomus marginatus · Pseudotropheus johannii
Dwarf Pencilfish: PeacefulElectric Blue Johannii: Aggressive
Dwarf Pencilfish & Elongatus Cichlid (Pseudotropheus Elongatus)
Nannostomus marginatus · Chindongo elongatus
Dwarf Pencilfish: PeacefulElongatus Cichlid (Pseudotropheus Elongatus): Aggressive
Dwarf Pencilfish & Ember Tetra
Nannostomus marginatus · Hyphessobrycon amandae
Dwarf Pencilfish: PeacefulEmber Tetra: Peaceful
Dwarf Pencilfish & Emerald Dwarf Danio
Nannostomus marginatus · Danio erythromicron
Dwarf Pencilfish: PeacefulEmerald Dwarf Danio: Peaceful
Dwarf Pencilfish & Emerald Eye Rasbora
Nannostomus marginatus · Brevibora dorsiocellata
Dwarf Pencilfish: PeacefulEmerald Eye Rasbora: Peaceful
Dwarf Pencilfish & Emerald Green Cory
Nannostomus marginatus · Corydoras splendens
Dwarf Pencilfish: PeacefulEmerald Green Cory: Peaceful
Dwarf Pencilfish & Emperor Snakehead
Nannostomus marginatus · Channa marulioides
Dwarf Pencilfish: PeacefulEmperor Snakehead: Highly Aggressive
Dwarf Pencilfish & Emperor Tetra
Nannostomus marginatus · Nematobrycon palmeri
Dwarf Pencilfish: PeacefulEmperor Tetra: Peaceful
Dwarf Pencilfish & Empire Gudgeon
Nannostomus marginatus · Hypseleotris compressa
Dwarf Pencilfish: PeacefulEmpire Gudgeon: Mostly Peaceful
Dwarf Pencilfish & Endler's Livebearer
Nannostomus marginatus · Poecilia wingei
Dwarf Pencilfish: PeacefulEndler's Livebearer: Peaceful
Dwarf Pencilfish & Espei Rasbora (Lambchop Rasbora)
Nannostomus marginatus · Trigonostigma espei
Dwarf Pencilfish: PeacefulEspei Rasbora (Lambchop Rasbora): Peaceful
Dwarf Pencilfish & Exquisite Rainbowfish
Nannostomus marginatus · Melanotaenia exquisita
Dwarf Pencilfish: PeacefulExquisite Rainbowfish: Peaceful
Dwarf Pencilfish & Fahaka Puffer
Nannostomus marginatus · Tetraodon lineatus
Dwarf Pencilfish: PeacefulFahaka Puffer: Highly Aggressive
Dwarf Pencilfish & Fairy Cichlid (Brichardi)
Nannostomus marginatus · Neolamprologus brichardi
Dwarf Pencilfish: PeacefulFairy Cichlid (Brichardi): Aggressive
Dwarf Pencilfish & False Glass Catfish
Nannostomus marginatus · Kryptopterus macrocephalus
Dwarf Pencilfish: PeacefulFalse Glass Catfish: Peaceful
Dwarf Pencilfish & False Rummy-Nose Tetra
Nannostomus marginatus · Petitella georgiae
Dwarf Pencilfish: PeacefulFalse Rummy-Nose Tetra: Peaceful
Dwarf Pencilfish & False Siamese Algae Eater (Stonelapping Minnow)
Nannostomus marginatus · Garra cambodgiensis
Dwarf Pencilfish: PeacefulFalse Siamese Algae Eater (Stonelapping Minnow): Semi-Aggressive
Dwarf Pencilfish & Featherfin Cichlid
Nannostomus marginatus · Cyathopharynx furcifer
Dwarf Pencilfish: PeacefulFeatherfin Cichlid: Semi-Aggressive
Dwarf Pencilfish & Featherfin Squeaker
Nannostomus marginatus · Synodontis eupterus
Dwarf Pencilfish: PeacefulFeatherfin Squeaker: Semi-Aggressive
Dwarf Pencilfish & Festivum
Nannostomus marginatus · Mesonauta festivus
Dwarf Pencilfish: PeacefulFestivum: Mostly Peaceful
Dwarf Pencilfish & Fiddler Crab (Brackish)
Nannostomus marginatus · Uca sp.
Dwarf Pencilfish: PeacefulFiddler Crab (Brackish): Mostly Peaceful