Monotocheiredon drilos, male
A species of small, freshwater, inseminating fishes from tropical South America.
Project: Part of a large-scope project to illustrate a variety of freshwater, Amazonian fish species, described and catalogued by Dr. Stanley Weitzman of the Smithsonian Institution, Division of Fishes, National Museum of Natural History.
Copyright, Smithsonian Institution. Please do not re-use without permission.