[PDF] Top 20 A new species of Leporinus Agassiz, 1829 (Characiformes: Anostomidae) from the rio Tocantins, Brazil

... gomesi. Brazil. MZUSP 14436, 151.7 mm SL, holotype, Mato Grosso, Aripuanã, rio Aripuanã, above cachoeira de ...Aripuanã, rio Aripuanã, at ...ponds of rio Aripuanã, 10 km above cachoeira ... See full document

... Two new species of genus Leporinus from the Araguaia-Tocantins system, Amazon, Brazil, are ...described. Leporinus unitaeniatus n. sp. is distinguished ... See full document

... percentage of SL, except subunits of the head, which are expressed as percentages of head ...in the description, with the frequency of each count provided in parentheses ... See full document

... on the morphology of Leporinus guttatus have revealed the presence of three of the four synapomorphies assigned to Hypomasticus, the vertically oriented premaxilla ... See full document

... length of 234 examined specimens 22.6 to 206.0 mm. Measurements of holotype and paratypes in Table ...view of body in Figures 1 and 2. Dorsal profile convex from snout tip to dorsal-fin origin ... See full document

... color of body varying from whitish to dark yellowish ...portion of snout, head and body darker than remaining ...Scales of longitudinal rows above lateral line series with reticulated color ... See full document

... serrations of pectoral-fin spine, lateral line pores, and dorsal, pectoral, pelvic, anal and caudal-fin ...In the diagnosis and description of species, the frequency of each ... See full document

... rediscovery of Astyanax goyanensis and the description of one new species, ...support the hypothesis that the upper rio Tocantins basin possesses a highly ... See full document

... sp.: Brazil, Goiás State: MNRJ 12574, 1, 29.0 mm SL, Minaçu, rio Boa Nova, 13º52’S ...upstream from mouth of rio Canumã, rio Aripuanã, downstream from Dardanelos, 09º58’S ... See full document

... genus of the Characidae including 18 valid species (Lima et ...in the coastal rivers of northern Brazil and Guyana, and in the Orinoco, Amazonas, Tocantins, ... See full document

... Cheirodontinae new genus and species C (sensu Malabarba, 1998) (Characidae), Cetopsis caiapo, ...Cheirodontinae new genus (L. Malabarba, pers. comm.) are endemic genera from upper rio ... See full document

... stretches of the rio Tocantins-Araguaia basin before impoundment processes (Tucuruí Reservoir of rio Tocantins and Santa Isabel Reservoir of rio Araguaia), ... See full document

... profile of body convex along snout; straight from orbital region to dorsal-fin origin, straight from dorsal insertion to adipose-fin origin, then gently sloping to anterior extent of caudal ... See full document

... for the loan of ...data from specimens of Bryconops ...photographed the holotype of Bryconops ...photographed the type locality and live specimen of ...drafts ... See full document

... with the São Francisco River as type locality. In Brazil, the southernmost record of the species is the Uruguay River, Rio Grande do Sul ...reports the first ... See full document

... winter, the region has frosts and occasional snow, and pools may ...this species is rather plastic in its environmental ...in the small pool during the sam- pling, and were probably ...absent. ... See full document

... apex of abdomen (segment VII-VIII) light brown ...most of the visible lateral region of ...reaching the base of elytra, scape broad and slightly elongate, pedicel the ... See full document

... about the ichthyofauna of rivers and streams from Colombia, even those sampling localities near the type locality of ...any species of Boehlkea (Mojica et ...2008). ... See full document

... A new species of Moenkhausia is described from the rio Arinos drainage, rio Tapajós basin, Mato Grosso, ...Brazil. The new species is diagnosed ... See full document

... Following the suggestion of Chakrabarty (2010), three paragenetypes are designated by sequencing of the mitochondrial gene Cytochrome c Oxydase subunit I ...extracted from ... See full document