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A new species of Pimelodus La Cépède, 1803 (Siluriformes: Pimelodidae) from rio Ribeira de Iguape basin, Brazil
Ribeiro, Frank Raynner V; Lucena, Carlos Alberto S. de; Oyakawa, Osvaldo T.
  • Ribeiro, Frank Raynner V; s.af
  • Lucena, Carlos Alberto S. de; s.af
  • Oyakawa, Osvaldo T; s.af
Neotrop. ichthyol ; 9(1): 127-134, Mar. 2011. ilus, tab
Article in English | LILACS | ID: lil-583973
RESUMO
Pimelodus multicratifer, espécie nova, é descrita da bacia do rio Ribeira de Iguape. A espécie nova difere das demais espécies de Pimelodus pelas seguintes características: 26 a 30 rastros branquiais sobre o primeiro arco branquial; a combinação de três a seis fileiras de máculas regular ou irregularmente distribuídas sobre os flancos e várias máculas menores irregularmente distribuídas sobre a superfície dorsal da cabeça e processo supraoccipital, e algumas vezes, nas nadadeiras dorsal e caudal; lábios estriados; barbilhões maxilares alcançando a extremidade posterior dos raios da nadadeira pélvica e a extremidade posterior dos raios médios da nadadeira caudal.
ABSTRACT
Pimelodus multicratifer, a new species, is described from the rio Ribeira de Iguape basin. The new species differs from the other Pimelodus species by the following features: 26 to 30 gill rakers on the first branchial arch; a combination of three to six rows of dark spots regularly or irregularly scattered on the flanks and several small dark spots irregularly scattered on the dorsal surface of head, supraoccipital process, and sometimes on the dorsal and caudal fins; striated lips; maxillary barbels reaching between posterior tip of the pelvic-fin rays and posterior tip of the middle caudal-fin rays.
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Full text: Available Index: LILACS (Americas) Main subject: Catfishes / Classification Limits: Animals Country/Region as subject: South America / Brazil Language: English Journal: Neotrop. ichthyol Journal subject: Biology / Molecular Biology / Physiology / Genetics / Environmental Health / ZOOLOGIA Year: 2011 Type: Article / Project document

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Full text: Available Index: LILACS (Americas) Main subject: Catfishes / Classification Limits: Animals Country/Region as subject: South America / Brazil Language: English Journal: Neotrop. ichthyol Journal subject: Biology / Molecular Biology / Physiology / Genetics / Environmental Health / ZOOLOGIA Year: 2011 Type: Article / Project document