Data/hora: 02/06/2024 01:28:51

Provedor de dados: | 83
País: | Brazil
Título: | A new species of leaffish Polycentrus Müller &amp;amp; Troschel, 1849 (Percomorpha: Polycentridae) from the rio Negro, Brazil
Autores: | Coutinho,Daniel Pires; Wosiacki,Wolmar Benjamin.
Data: | 2014-12-01
Ano: | 2014
Resumo: | A new species of Polycentrusis described from the rio Negro, in Brazil. It is distinguished from P. schomburgkii by the presence of two dark postocular and one subocular band, all smaller than orbital diameter, blunt snout, isognathous mouth, reduction of the serrations on the lower edge of the lacrimal-spines ranging from zero to two tiny spines at the posterior end, intensely serrated edge of the interopercle, fully serrated posterior edge of the vertical arm of the preopercle, presence of five pungent opercular spines, subopercle broadly serrated along most of its posterior ventral edge, presence of serrations dorsally on the posterior margin of the cleithrum, fourth ray of pectoral fin reaching the vertical through the anal-fin origin, 19-21 predorsal scales, 19-20 scales on dorsal-fin base, 12-14 scales on anal-fin base, and absence of a median opercular blotch.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252014000400747
Editor: | Sociedade Brasileira de Ictiologia
Relação: | 10.1590/1982-0224-20140046
Formato: | text/html
Fonte: | Neotropical Ichthyology  v.12 n.4 2014
Fonte: | info:eu-repo/semantics/openAccess