T. P. Carvalho, Lehmann P. A., E. H. L. Pereira, & R. E. Reis, 2008
A New Species of Hisonotus (Siluriformes: Loricariidae: Hypoptopomatinae) from the Laguna dos Patos Basin, Southern BrazilAbstract
Hisonotus armatus, a new hypoptopomatine species, is described from the Laguna dos Patos basin, Rio Grande do Sul State, southern Brazil. The new species is distinguished from other Hisonotus species by aspects of the morphology of the rostral plate, the arrangement of abdominal plates, and the caudal-fin color pattern.
Tiago Pinto. Carvalho, Pablo Lehmann A., Edson H. Lopes Pereira, and Roberto E. Reis
Copeia, Issue 3, pp. 510–516, 2008