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Species profile

Marginatus Pencilfish

Nannostomus marginatus

Marginatus Pencilfish (Nannostomus marginatus) aquarium profile: minimum 10 gallon tank, 1.2 inch adult size, 75-82°F temperature range, and moderate care. Keep a group of at least 6.

Community leaningModerate care
Marginatus Pencilfish aquarium fish
10 galMinimum tank
1.2 inAdult size
6Schooling minimum
75-82°FTemperature

Water Range

pH
5-7
GH
1-8 dGH
KH
0-5 dKH

Behavior

Temperament
Peaceful
Fin nipping
0/5
Territory
0/5

Diet and Care

Diet
omnivore/micro-predator
Diet difficulty
3/5
Care difficulty
3/5

Planning Notes

Moderate care needs; may require mature grazing surfaces or supplemental fresh/frozen foods.

This species may need live, frozen, fresh, or otherwise specialized foods.

live or fresh foodsmall foods
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