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| Zanata,Angela Maria; Burger,Rafael; Vita,George; Camelier,Priscila. |
| ABSTRACT A new species of Astyanax from tributaries of the rio de Contas, Bahia, Brazil, is described. The new species differs from congeners by having three horizontal series of scales from lateral line to pelvic-fin origin and the distal margin of third infraorbital distinctly separated from vertical and horizontal limbs of preopercle, leaving a broad area not covered by superficial bones. The new species further differs from most congeners by the presence of bony hooks on all fins of mature males. Particularly from congeners occurring in rivers of the Northeastern Mata Atlântica freshwater ecoregion, it further differs by having the highest body depth just anterior to the dorsal-fin origin, 34-37 pored lateral line scales, a vertically elongated... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Endemism; Northeastern Mata Atlântica freshwater ecoregion; Sexual dimorphism; Taxonomy. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252019000300208 |
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| Vita,George; Ferreira,Marco Tulio Oliveira; Tavechio,Washington; Guidelli,Gislaine. |
| Abstract The rio da Dona is an important water body in the Recôncavo Sul basin used as a water supply for the neighboring towns and for agriculture, recreation and subsistence fishing. The knowledge about the ichthyofauna of this river is scarce. In this paper, an inventory of the fish fauna from rio da Dona basin and an identification key for the species recorded are presented. Additionally, taxonomic and conservationist issues are discussed. The specimens were collected in different sites along the upper, middle and lower courses of the rio da Dona. The fishes were anesthetized, fixed in formalin, conserved in ethanol, and identified. In addition to the material collected, specimens previously deposited in the ichthyological collection of the Museu de... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Inventory; Ichthyofauna; Impacted water body; Northeastern Mata Atlântica freshwater ecoregion. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0031-10492020000100208 |
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