A South America with Brazil B Brazil with the Rio Grande do Sul State C study area: blue lines: stream network; white star: sample site of leucistic individuals; red circles: H. mustelinus populations, which were compared morphologically to the leucistic individuals.

  Part of: Ferraz M, Schulz UH, Santos de Lucena CA, Lehmann A. P (2023) A case of leucosis in Heptapterus mustelinus (Siluriformes, Heptapteridae) among populations of streams in southern Brazil. Has leucosis in Heptapterus mustelinus an adaptive value in shaded streams? In: Boll P, Lehmann A. P, Allgayer H, Krüger L (Eds) Diversity and Wildlife Management: The legacy of PPG Biologia Unisinos. Neotropical Biology and Conservation 18(3): 177-189. https://doi.org/10.3897/neotropical.18.e103523