Barred Pencilfish - Nannostomus espeiBarred Pencilfish - Nannostomus espeiBeckford's Pencilfish - Nannostomus beckfordiBlack Pencilfish - Nannostomus sp.Brown Tailed Pencilfish - Nannostomus equesBrown Tailed Pencilfish - Nannostomus equesBrown Tailed Pencilfish - Nannostomus equesDwarf Pencilfish - Nannostomus marginatusGreen Striped Pencilfish - Nannostomus marylinaeGreen Striped Pencilfish - Nannostomus marylinaeHarrison's Pencilfish - Nannostomus harrisoniLeast Pencilfish - Nannostomus minimusOne Line Pencilfish - Nannostomus unifasciatusPurple Pencilfish - Nannostomus rubrocaudatusPurple Pencilfish - Nannostomus rubrocaudatusPurple Pencilfish - Nannostomus rubrocaudatusRed Arc Pencilfish - Nannostomus mortenthaleriRed Arc Pencilfish - Nannostomus mortenthaleriThree Line Pencilfish - Nannostomus trifasciatus