Pareiorhina brachyrhyncha (Loricariidae: Siluriformes): a New Species of Fish from the Paraíba do Sul Slope of Serra da Mantiqueira, Southeastern Brazil

Autor:	Arion T. Aranda, Carine Cavalcante Chamon, Paulo A. Buckup
Rok vydání:	2005
Předmět:	Dorsum biology Pareiorhina Peduncle (anatomy) Loricariidae Animal Science and Zoology Pareiorhina brachyrhyncha Anatomy Aquatic Science biology.organism_classification Ecology Evolution Behavior and Systematics
Zdroj:	Copeia. 2005:550-558
ISSN:	1938-5110 0045-8511
DOI:	10.1643/ci-04-276r
Popis:	A new species of Pareiorhina is described from the Ribeirao Grande and adjacent drainages, in the left bank of the Rio Paraiba do Sul basin, in Sao Paulo State, southeastern Brazil. Pareiorhina brachyrhyncha is uniquely diagnosed among its congeners by the reduction or absence of azygous plates in front of the nuchal plate. It also differs from its congeners by the presence of a minute lateral cusp in the teeth, wider body, anterior and lateral profile of head rounded, broad distal profile of the paired fins, and lower number of vertebrae. The species is considered to be closely related to the sympatric P. rudolphi, based on the lack of azygous dorsal plates above the caudal peduncle.
Databáze:	OpenAIRE
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