10750 Nannostomus beckfordi Günther, 1872 Lebiasinidae Pencilfishes Pyrrhulininae Characiformes Teleostei Golden pencilfish South America: native in the rivers of Guyana south to the Amazon basin and up the Amazon River to the Negro River. FISH 592269 5 N 53 W Nannostomus beckfordi FISH 592343 5 N 52 W Nannostomus beckfordi FISH 592394 5 N 52 W Nannostomus beckfordi FISH 592532 4 N 53 W Nannostomus beckfordi FISH 592560 5 N 52 W Nannostomus beckfordi FISH 592591 5 N 53 W Nannostomus beckfordi FISH 592638 5 N 53 W Nannostomus beckfordi FISH 592720 5 N 52 W Nannostomus beckfordi FISH 592848 5 N 52 W Nannostomus beckfordi FISH 592862 4 N 52 W Nannostomus beckfordi FISH 593107 4 N 52 W Nannostomus beckfordi FISH 593279 4 N 53 W Nannostomus beckfordi FISH 593518 5 N 53 W Nannostomus beckfordi FISH 593569 5 N 53 W Nannostomus beckfordi FISH 593620 5 N 53 W Nannostomus beckfordi FISH 593685 5 N 53 W Nannostomus beckfordi FISH 593709 5 N 53 W Nannostomus beckfordi FISH 593835 4 N 53 W Nannostomus beckfordi FISH 593886 4 N 53 W Nannostomus beckfordi FISH 593906 5 N 53 W Nannostomus beckfordi FISH 593911 4 N 52 W Nannostomus beckfordi FISH 594099 4 N 52 W Nannostomus beckfordi FISH 594131 5 N 52 W Nannostomus beckfordi FISH 594355 5 N 53 W Nannostomus beckfordi FISH 594545 5 N 52 W Nannostomus beckfordi FISH 594723 5 N 52 W Nannostomus beckfordi FISH 594733 5 N 54 W Nannostomus beckfordi FISH 594781 4 N 52 W Nannostomus beckfordi FISH 594786 4 N 52 W Nannostomus beckfordi FISH 594908 5 N 52 W Nannostomus beckfordi FISH 594950 4 N 52 W Nannostomus beckfordi FISH 595033 4 N 52 W Nannostomus beckfordi FISH 595041 4 N 52 W Nannostomus beckfordi FISH 595060 4 N 52 W Nannostomus beckfordi FISH 595071 4 N 52 W Nannostomus beckfordi FISH 595140 4 N 52 W Nannostomus beckfordi FISH 595487 4 N 52 W Nannostomus beckfordi FISH 595498 4 N 52 W Nannostomus beckfordi FISH 595589 5 N 52 W Nannostomus beckfordi FISH 596443 5 N 53 W Nannostomus beckfordi FISH 596461 5 N 53 W Nannostomus beckfordi FISH 596538 5 N 53 W Nannostomus beckfordi FISH 596644 5 N 53 W Nannostomus beckfordi FISH 599186 5 N 53 W Nannostomus beckfordi FISH 599520 5 N 53 W Nannostomus beckfordi FISH 599664 5 N 53 W Nannostomus beckfordi FISH 601808 4 N 52 W Nannostomus beckfordi FISH 603930 5 N 53 W Nannostomus beckfordi FISH 604038 5 N 52 W Nannostomus beckfordi FISH 604398 5 N 53 W Nannostomus beckfordi FISH 605651 5 N 53 W Nannostomus beckfordi FISH 605803 5 N 53 W Nannostomus beckfordi FISH 606989 4 N 52 W Nannostomus beckfordi FISH 607238 4 N 52 W Nannostomus beckfordi FISH 607394 5 N 53 W Nannostomus beckfordi FISH 607533 4 N 52 W Nannostomus beckfordi FISH 607715 5 N 53 W Nannostomus beckfordi FISH 608470 4 N 52 W Nannostomus beckfordi AMNH 13677 1936 Nannostomus simplex GCRL 5359 1964 Nannostomus simplex