[PDF] Top 20 Neotrop. ichthyol. - vol.4 número4

... 27.7 mm SL, and MHNUC 474, 1, 28.4 mm SL, collected with the holotype. ANSP 178616, 4, 35.0-36.7 mm SL, 1 c&s, 38.4 mm SL, Peru, Loreto, Provincia de Maynas, small creek 25 miles south of Iquitos, tributary of ... See full document

... The single record of the sharksucker (Echeneis naucrates) attached to a spinner dolphin (Stenella longirostris) is based on a photograph taken at Fernando de Noronha Archipelago, off nor[r] ... See full document

... Dorsal fin long and low in adult, higher in juvenile, con- sisting of small, V-shaped spinelet, fairly strong spine, and 11-12 rays; adpressed dorsal fin does not reach adipose fin. Caudal fin forked, lower lobe longer ... See full document

... Santos; MCP 38776, 4, 121.9-139.1 mm SL, same as holotype; MZUSP 39320, 6, 95.0-121.7 mm SL, córrego do Cedro, rio São Francisco drainage (17º38’S 45º12’W), 22 Jan 1988, Yoshimi Sato; MCP 16661, 6, 44.3-105.7 mm ... See full document

... Remarks. In a revisionary study for Callichthyidae, Ellis (1913) mentioned the presence of C. flaveolus Ihering, 1911 (described from the rio Tietê basin) in the río Paraguay basin, at Sapucay, Paraguay. In the ... See full document

... This hypothesis was confirmed, because the ATPase levels and oxidative stress variables in pacus exposed to acidic (mainly) or alkaline pH under HWH were reduced or showed fewer chang[r] ... See full document

... The aims of this work were to identify through partial sequences of the COI gene Gymnotus species fished in the Jacaré-Guaçu River, SP, and to develop a molecular diagnostic approach us[r] ... See full document

... The new species is similar to Myleus pacu and Myloplus planquettei in its silver to purplish black coloration and its overall morphology, and has a putative syntopic distribution with t[r] ... See full document

... In this context, our study was guided by the following question: Is the coexistence of Astyanax species in the Iguaçu River basin favored by food resource partitioning? We predic[r] ... See full document

... To investigate the spatial and temporal variations in the diet of fishes in drowned streams, we chose the flag tetra Hyphessobrycon heterorhabdus (Ulrey, 1894) (Characiformes: Characid[r] ... See full document

... Diagnosis. The new species differs from all congeners, except for the members of Corumbataia cuestae group by having a conspicuous pair of tufts with enlarged odontodes on the tip of the supraoccipital (vs. absence of ... See full document

... In this study, we compared chromosomal characteristics using conventional and molecular cytogenetic protocols in pirarucu populations from the Amazon and Tocantins-Araguaia [r] ... See full document

... males; 4) males reach first gonadal maturation at a smaller size than females; 5) the peak maturation/mature stage is in November/ April for females and males in section 1 and in November/December in section 2, ... See full document

... A = Hemigrammus brevis, endemic species of São Francisco Ecoregion (SFRE); B = Moenkhausia costae and C = Psellogrammus kennedyi, shared species between SFRE and Mid- Northeastern Caati[r] ... See full document

... Results from geometric morphometrics and molecular analyses were consistent with the results of the traditional morphological analysis, also indicating the delimitation of six taxa bel[r] ... See full document

... On the other hand, the differentiation of the endemic component of the reef fish faunas of Fernando de Noronha Archipelago and Atol das Rocas is suggested by Nunan (1992) and Rocha (2003[r] ... See full document

... ligated to the adaptors (Edwards et al., 1996). Fragments were selected, amplified, and cloned into pGem-T Easy (Promega; www.promega.com) vectors using 5μL of the amplification product, 50 ng of vector, and 1 U of T4 ... See full document

... In this sense, based on the Patch Dynamics Concept applied to river ecosystems (Pringle et al., 1988; Winemiller et al., 2010), we predict spatial discontinuity in fish [r] ... See full document

... vulnerável a extinção. Neste estudo, analisamos a composição química (umidade, cinzas, lipídeos e proteína), o perfil de ácidos graxos e qualidade nutricional (índices de aterogênicidade e trombogenicidade, razão entre ... See full document

... comprises a ca. 1.8 m length of XLR microphone cable (2- pin cable with metal ground shield) attached to a male 3-pin Lemo probe connector and strain relief (Tab. 1, Fig. 4). The cable probe is intended to be ... See full document