Re-describing and ascertaining to homeland Hypostomus vaillanti (Steindachner, 1877) (Siluriformes: Loricariidae), a golden and black pleco from Northeast Brazil
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Approximately 26 species of Hypostomus occur in the five freshwater ecoregions in Northeast Brazil. One of these ecoregions is the Parnaíba, which drains almost the entire state of Piauí, and part of the states of Maranhão and Ceará. Among the species of H... ...
