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 529 - 552 of 735 Tank Mates

Dwarf Pencilfish & Pungas Catfish

Nannostomus marginatus · Pangasius pangasius

Dwarf Pencilfish & Purple Spotted Gudgeon

Nannostomus marginatus · Mogurnda adspersa

Dwarf Pencilfish & Purple Zebra Shrimp

Nannostomus marginatus · Potamalpheops sp.

Ideal Tank Mates

Dwarf Pencilfish: PeacefulPurple Zebra Shrimp: Peaceful

Dwarf Pencilfish & Pygmy Corydoras

Nannostomus marginatus · Corydoras pygmaeus

Possible with Caution

Dwarf Pencilfish: PeacefulPygmy Corydoras: Peaceful

Dwarf Pencilfish & Pygmy Rainbowfish

Nannostomus marginatus · Melanotaenia pygmaea

Possible with Caution

Dwarf Pencilfish: PeacefulPygmy Rainbowfish: Mostly Peaceful

Dwarf Pencilfish & Rachov's Killifish (Annual)

Nannostomus marginatus · Nothobranchius rachovii

Possible with Caution

Dwarf Pencilfish: PeacefulRachov's Killifish (Annual): Mostly Peaceful

Dwarf Pencilfish & Rainbow Cichlid

Nannostomus marginatus · Herotilapia multispinosa

Possible with Caution

Dwarf Pencilfish: PeacefulRainbow Cichlid: Mostly Peaceful

Dwarf Pencilfish & Rainbow Shark

Nannostomus marginatus · Epalzeorhynchos frenatum

Possible with Caution

Dwarf Pencilfish: PeacefulRainbow Shark: Aggressive

Dwarf Pencilfish & Rainbow Snakehead

Nannostomus marginatus · Channa bleheri

Dwarf Pencilfish & Ramshorn Snail

Nannostomus marginatus · Planorbidae fam.

Possible with Caution

Dwarf Pencilfish: PeacefulRamshorn Snail: Peaceful

Dwarf Pencilfish & Ramu Rainbowfish

Nannostomus marginatus · Glossolepis ramuensis

Possible with Caution

Dwarf Pencilfish: PeacefulRamu Rainbowfish: Mostly Peaceful

Dwarf Pencilfish & Raspy River Stingray

Nannostomus marginatus · Potamotrygon scobina

Dwarf Pencilfish & Red Bellied Pacu

Nannostomus marginatus · Piaractus brachypomus

Possible with Caution

Dwarf Pencilfish: PeacefulRed Bellied Pacu: Mostly Peaceful

Dwarf Pencilfish & Red Breasted Acara

Nannostomus marginatus · Laetacara dorsigera

Possible with Caution

Dwarf Pencilfish: PeacefulRed Breasted Acara: Mostly Peaceful

Dwarf Pencilfish & Red Devil Cichlid

Nannostomus marginatus · Amphilophus labiatus

Dwarf Pencilfish & Red Dwarf Rasbora

Nannostomus marginatus · Microrasbora rubescens

Possible with Caution

Dwarf Pencilfish: PeacefulRed Dwarf Rasbora: Peaceful

Dwarf Pencilfish & Red Empress

Nannostomus marginatus · Protomelas taeniolatus

Dwarf Pencilfish & Red Eye Tetra

Nannostomus marginatus · Moenkhausia sanctaefilomenae

Possible with Caution

Dwarf Pencilfish: PeacefulRed Eye Tetra: Mostly Peaceful

Dwarf Pencilfish & Red Fin Borleyi

Nannostomus marginatus · Copadichromis borleyi

Dwarf Pencilfish & Red Fin Caudopunk

Nannostomus marginatus · Neolamprologus caudopunctatus

Dwarf Pencilfish & Red Goldflake Shrimp

Nannostomus marginatus · Caridina sp. Red Goldflake

Dwarf Pencilfish & Red Head Tapajos (Geophagus)

Nannostomus marginatus · Geophagus sp. 'Red Head Tapajos'

Possible with Caution

Dwarf Pencilfish: PeacefulRed Head Tapajos (Geophagus): Mostly Peaceful

Dwarf Pencilfish & Red Hump Eartheater

Nannostomus marginatus · Geophagus steindachneri

Possible with Caution

Dwarf Pencilfish: PeacefulRed Hump Eartheater: Semi-Aggressive

Dwarf Pencilfish & Red Peacock (Ruby Red)

Nannostomus marginatus · Aulonocara sp. 'Rubescens'