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 97 - 120 of 735 Tank Mates

Dwarf Pencilfish & Betta Macrostoma

Nannostomus marginatus · Betta macrostoma

Dwarf Pencilfish & Betta Smaragdina

Nannostomus marginatus · Betta smaragdina

Possible with Caution

Dwarf Pencilfish: PeacefulBetta Smaragdina: Semi-Aggressive

Dwarf Pencilfish & Black Acara

Nannostomus marginatus · Cichlasoma bimaculatum

Possible with Caution

Dwarf Pencilfish: PeacefulBlack Acara: Semi-Aggressive

Dwarf Pencilfish & Black Belt Cichlid

Nannostomus marginatus · Vieja maculicauda

Possible with Caution

Dwarf Pencilfish: PeacefulBlack Belt Cichlid: Aggressive

Dwarf Pencilfish & Black Bullhead Catfish

Nannostomus marginatus · Ameiurus melas

Dwarf Pencilfish & Black Corydoras

Nannostomus marginatus · Corydoras schultzei

Possible with Caution

Dwarf Pencilfish: PeacefulBlack Corydoras: Peaceful

Dwarf Pencilfish & Black Diamond Cichlid

Nannostomus marginatus · Paratilapia polleni

Dwarf Pencilfish & Black Fin Cory

Nannostomus marginatus · Corydoras leucomelas

Possible with Caution

Dwarf Pencilfish: PeacefulBlack Fin Cory: Peaceful

Dwarf Pencilfish & Black Ghost Knifefish

Nannostomus marginatus · Apteronotus albifrons

Dwarf Pencilfish & Black Kuhli Loach

Nannostomus marginatus · Pangio oblonga

Ideal Tank Mates

Dwarf Pencilfish: PeacefulBlack Kuhli Loach: Peaceful

Dwarf Pencilfish & Black Marble Hoplo

Nannostomus marginatus · Megalechis thoracata

Possible with Caution

Dwarf Pencilfish: PeacefulBlack Marble Hoplo: Mostly Peaceful

Dwarf Pencilfish & Black Neon Tetra

Nannostomus marginatus · Hyphessobrycon herbertaxelrodi

Possible with Caution

Dwarf Pencilfish: PeacefulBlack Neon Tetra: Peaceful

Dwarf Pencilfish & Black Ocellatus

Nannostomus marginatus · Lamprologus speciosus

Dwarf Pencilfish & Black Pacu

Nannostomus marginatus · Colossoma macropomum

Possible with Caution

Dwarf Pencilfish: PeacefulBlack Pacu: Mostly Peaceful

Dwarf Pencilfish & Black Phantom Tetra

Nannostomus marginatus · Hyphessobrycon megalopterus

Possible with Caution

Dwarf Pencilfish: PeacefulBlack Phantom Tetra: Peaceful

Dwarf Pencilfish & Black Ruby Barb

Nannostomus marginatus · Pethia nigrofasciata

Possible with Caution

Dwarf Pencilfish: PeacefulBlack Ruby Barb: Mostly Peaceful

Dwarf Pencilfish & Black Skirt Tetra

Nannostomus marginatus · Gymnocorymbus ternetzi

Possible with Caution

Dwarf Pencilfish: PeacefulBlack Skirt Tetra: Mostly Peaceful

Dwarf Pencilfish & Black-Banded Rainbowfish

Nannostomus marginatus · Melanotaenia nigrans

Possible with Caution

Dwarf Pencilfish: PeacefulBlack-Banded Rainbowfish: Peaceful

Dwarf Pencilfish & Blackline Rasbora

Nannostomus marginatus · Rasbora borapetensis

Possible with Caution

Dwarf Pencilfish: PeacefulBlackline Rasbora: Peaceful

Dwarf Pencilfish & Bladder Snail (Pest Snail)

Nannostomus marginatus · Physella acuta

Possible with Caution

Dwarf Pencilfish: PeacefulBladder Snail (Pest Snail): Peaceful

Dwarf Pencilfish & Bleeding Heart Tetra

Nannostomus marginatus · Hyphessobrycon erythrostigma

Possible with Caution

Dwarf Pencilfish: PeacefulBleeding Heart Tetra: Peaceful

Dwarf Pencilfish & Bleher's Rainbowfish

Nannostomus marginatus · Chilatherina bleheri

Possible with Caution

Dwarf Pencilfish: PeacefulBleher's Rainbowfish: Peaceful

Dwarf Pencilfish & Blind Cave Tetra

Nannostomus marginatus · Astyanax mexicanus

Possible with Caution

Dwarf Pencilfish: PeacefulBlind Cave Tetra: Mostly Peaceful

Dwarf Pencilfish & Blood Parrot Cichlid

Nannostomus marginatus · Hybrid cichlid (Blood Parrot)

Possible with Caution

Dwarf Pencilfish: PeacefulBlood Parrot Cichlid: Semi-Aggressive