Description of a new species of the Melanorivulus pictus species-group (Cyprinodontiformes: Rivulidae) from the Rio Parana basin in Brazil

Autor(es)

Ywamoto, Eric Venturini ; Nielsen, Dalton Tavares Bressane ; Oliveira, Claudio

• Tipo de documento: Artigo Científico
• Fonte: Zootaxa; v. 4852, n. 1, p. 8-pg., 2020-09-14.

Resumo

A new species of the genus Melanorivulus belonging to the Melanorivulus pictus species group is herein described, from a tributary of the Rio Grande, Rio Parana basin, Sao Paulo State, Brazil. The new species can be distinguished from all other species of the Melanorivulus pictus species group by the unique presence of sides of body of males light bluish gray with 10-12 oblique red bars, 8 of which chevron-like, bifurcated and complete, i.e., running from dorsum to ventral area, and 2-4 incomplete, with vertices of the chevron-like bars along midbody, pointing forward. Comments on the putative relationships of the new species, as well as concerning its conservation status, are presented. (AU)

• Processo FAPESP: 16/09204-6 - Biodiversidade e Biogeografia em peixes marinho-estuarinos (Teleostei) do Brasil
• Beneficiário: Claudio de Oliveira
• Modalidade de apoio: Auxílio à Pesquisa - Regular
• Processo FAPESP: 14/26508-3 - Filogenia da hiperdiversa ordem Characiformes (Teleostei: Ostariophysi) utilizando elementos ultraconservados
• Beneficiário: Claudio de Oliveira
• Modalidade de apoio: Auxílio à Pesquisa - Temático