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Description of a new species of Hisonotus (Loricariidae: Siluriformes) from rio Araguaia basin

2020; Q15088586; Volume: 4860; Issue: 4 Linguagem: Inglês

10.11646/zootaxa.4860.4.5

1175-5334

Luís Ricardo Ribeiro da Silva, Gabriel de Souza da Costa e Silva, Paulo César Vênere, Hugmar Pains da Silva, Fábio Fernandes Roxo,

Ichthyology and Marine Biology

A new species of Hisonotus is described from headwaters of rio Araguaia basin, municipality of Barra do Garças, Mato Grosso state, Brazil. The new species is distinguished from its congeners by a V-shaped spinelet, yellowish teeth, absence of unpaired platelets at typical adipose fin position, the caudal-fin color hyaline with three transverse dark bars, one abdominal median plate series, and by morphometric and meristic characters.