Characidium lauroi is a fish in the family Crenuchidae. It is native to South America and is found in the middle and upper Paraíba do Sul River basin in Brazil.
Size This species reaches a length of .
Etymology The fish is named in honor of the Travassos' father, a helminthologist-entomologist Lauro Travassos (1890–1970), who collected the holotype specimen.
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