This is a very active and schooling species that is always best kept in groups and in turn, this also helps with aggression they can get toward each other.
A densely planted tank is also ideal.
A fairly good community-style fish and best kept with fish of the same size.
More Information
Scientific Name
Nannostomus mortenthaleri
Care Level
Moderate
Common Names
Coral Red Pencilfish, Ruby Red Pencilfish, Red arc pencilfish, Peruvian red pencilfish