Dwarf Pencilfish Tank Mates & Compatibility

Dwarf Pencilfish

Nannostomus marginatus

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TemperamentPeaceful (1/10)

Adult Size3.5 cm

Temperature22–28°C

Water TypeFreshwater Only

Swim ZoneSurface, Mid-level

StockingSchool of 6+

Showing 193 - 216 of 735 Tank Mates

Dwarf Pencilfish & Cockatoo Dwarf Cichlid

Nannostomus marginatus · Apistogramma cacatuoides

Possible with Caution

Dwarf Pencilfish: PeacefulCockatoo Dwarf Cichlid: Semi-Aggressive

Dwarf Pencilfish & Colombian Shark Catfish (Brackish)

Nannostomus marginatus · Ariopsis seemanni

Dwarf Pencilfish & Colombian Tetra

Nannostomus marginatus · Hyphessobrycon columbianus

Possible with Caution

Dwarf Pencilfish: PeacefulColombian Tetra: Mostly Peaceful

Dwarf Pencilfish & Common Pleco

Nannostomus marginatus · Hypostomus plecostomus

Dwarf Pencilfish & Common Pleco (Amazon Sailfin)

Nannostomus marginatus · Pterygoplichthys pardalis

Dwarf Pencilfish & Common Synodontis (False Upside Down Catfish)

Nannostomus marginatus · Synodontis nigrita

Dwarf Pencilfish & Common Whiptail Catfish

Nannostomus marginatus · Rineloricaria eigenmanni

Ideal Tank Mates

Dwarf Pencilfish: PeacefulCommon Whiptail Catfish: Peaceful

Dwarf Pencilfish & Congo Bichir

Nannostomus marginatus · Polypterus endlicheri congicus

Dwarf Pencilfish & Congo Puffer (Potato Puffer)

Nannostomus marginatus · Tetraodon miurus

Dwarf Pencilfish & Congo Tetra

Nannostomus marginatus · Phenacogrammus interruptus

Possible with Caution

Dwarf Pencilfish: PeacefulCongo Tetra: Peaceful

Dwarf Pencilfish & Contradens Pleco (Snowball Variant)

Nannostomus marginatus · Hypancistrus contradens

Possible with Caution

Dwarf Pencilfish: PeacefulContradens Pleco (Snowball Variant): Mostly Peaceful

Dwarf Pencilfish & Convict Cichlid

Nannostomus marginatus · Amatitlania nigrofasciata

Possible with Caution

Dwarf Pencilfish: PeacefulConvict Cichlid: Aggressive

Dwarf Pencilfish & Copper Harlequin Rasbora

Nannostomus marginatus · Trigonostigma hengeli

Possible with Caution

Dwarf Pencilfish: PeacefulCopper Harlequin Rasbora: Peaceful

Dwarf Pencilfish & Corona Rainbowfish

Nannostomus marginatus · Melanotaenia corona

Possible with Caution

Dwarf Pencilfish: PeacefulCorona Rainbowfish: Peaceful

Dwarf Pencilfish & Crimsonspotted Rainbowfish

Nannostomus marginatus · Melanotaenia duboulayi

Possible with Caution

Dwarf Pencilfish: PeacefulCrimsonspotted Rainbowfish: Peaceful

Dwarf Pencilfish & Crying Whiptail

Nannostomus marginatus · Loricaria sp. "Rio Atabapo"

Ideal Tank Mates

Dwarf Pencilfish: PeacefulCrying Whiptail: Peaceful

Dwarf Pencilfish & Cuban Cichlid

Nannostomus marginatus · Nandopsis tetracanthus

Dwarf Pencilfish & Cuban Gar

Nannostomus marginatus · Atractosteus tristoechus

Dwarf Pencilfish & Cuckoo Catfish

Nannostomus marginatus · Synodontis multipunctatus

Dwarf Pencilfish & Cupid Cichlid

Nannostomus marginatus · Biotodoma cupido

Ideal Tank Mates

Dwarf Pencilfish: PeacefulCupid Cichlid: Mostly Peaceful

Dwarf Pencilfish & Cutteri Cichlid

Nannostomus marginatus · Amatitlania cutteri

Possible with Caution

Dwarf Pencilfish: PeacefulCutteri Cichlid: Aggressive

Dwarf Pencilfish & Cyprichromis Leptosoma

Nannostomus marginatus · Cyprichromis leptosoma

Dwarf Pencilfish & Dainty Cory (Salt and Pepper Cory)

Nannostomus marginatus · Corydoras habrosus

Possible with Caution

Dwarf Pencilfish: PeacefulDainty Cory (Salt and Pepper Cory): Peaceful

Dwarf Pencilfish & Debauwi Catfish (Three-Striped Glass Catfish)

Nannostomus marginatus · Pareutropius buffei

Possible with Caution

Dwarf Pencilfish: PeacefulDebauwi Catfish (Three-Striped Glass Catfish): Peaceful