Nannostomus Unifasciatus is commonly known as the Tail-eyed Pencilfish.
As well, the Nannostomus Unifasciatus is sometimes called the One-Line Pencilfish.
This specie comes from the Amazon and Guiana. Nannostomus Unifasciatus grow around 2 inches in size.
This specie in particular is one of the most colorful breeds on the market.
Read more Nannostomus Fish Care and Aquariums at http://www.philippine-resorts.com/aquarium-fish-care/nannostomus-fish-care-and-aquariums.htm