[PDF] Top 20 Neotrop. ichthyol. - vol.8 número3

... Alegrete, in the road for Alegrete; MCP 13176, 7, 1 c&s, 36.0-50.9 mm SL, São Nicolau, rio Uruguay; MCP 13241, 1, 61.7 mm SL, Porto Xavier, rio Comandaí, in the road Porto Xavier/Porto Lucena; MCP 13327, 1, 40.2 mm ... See full document

... 14355, 8, lagoa Tarumã (Solidão), 30º44’S 50º32’W; MCP 25933, 7, Camaquã, arroyo Hilário on road between Caçapava do Sul and Lavras do Sul, 30º46’03”S 53º48’23”W; MCP 25964, 2, Camaquã, arroyo Seival on road ... See full document

... Lateral line completely pored, slightly curved ventrally, with 32(3), 33(9), 34*(8), or 35(4), perforated scales. Longitudinal scale rows between dorsal-fin origin and lateral line 5; longitudinal scale rows ... See full document

... Notable differences between Centromochlus heckelii and previous data about species of Tatia are: lower diploid number, presence of a sex chromosome system and multiple AgNORs in Centro[r] ... See full document

... This species is distinguished from all congeners by features of body color pattern, the presence of scales on the predorsal median line and the number of anal-fin rays.. Moenkhausia diam[r] ... See full document

... Dislodging sediment, algae and (possibly) small animals during foraging activities of loricariid catfishes was already observed by Buck & Sazima (1995) in an Atlantic Forest stream, [r] ... See full document

... typically detectable at a range of up to 3 m with the high-gain setting, and 1 m with the low-gain setting. In higher conduc- tivity water these ranges are reduced. Following detection and localization, gymnotiforms can ... See full document

... Hoplosternum littorale is a continuous air breather, which uses a portion of its intestine to extract oxygen from inspired air. Its air-breathing behavior occurs in four phases: 1) ascen[r] ... See full document

... Following behaviour among reef fishes involves mostly a digging nuclear species while foraging, which attracts opportunistic followers preying on the exposed organisms.. The flying gurna[r] ... See full document

... The transposition allowed the entire fish fauna of the rio Piumhi and associated swamps, lakes, and tributaries to intermingle with the fish fauna of the São Francisco basin via the ribe[r] ... See full document

... The Blennioidei are divided in six families, with 127 genera and at least 732 species (Nelson, 1994), and the reproduction of its members appears to exhibit some universal traits, such a[r] ... See full document

... varii in the wild, based on analysis of stomach contents and intestine size, and its feeding dynamics based on stomach weight variation (stomach repletion index – RI), in addition to d[r] ... See full document

... Eigenmann (1908) mentioned that the color pattern of Moenkhausia melogramma consisted in the presence of a line along the anal-fin base, a faint longitudinal midlateral dark stripe, an[r] ... See full document

... Using the terms as defined above, we can better unders- tand the geological setting of Northern South America (Fig. 1). The Amazon basin is not a rift valley, or even a single geological depression. Rather, the Amazon ... See full document

... The contributions include the evolution and interrelationships of Otophysi (Arratia), reviews of primitive lineages of fishes based on fossils (Hilton, Lavoué; Ribeiro et al[r] ... See full document

... food types such as plant debris (see Sazima, 1986 for S. pappaterra). The duration of the association varied 8-1,320 sec (x = 12,1; sd = 4,94; N = 7). While close to the ray, the cichlids were unusually wary and ... See full document

... width measures. At each depth measuring point, the substrate was categorized into nine categories: (1) gravel; (2) sand; (3) clay; (4) tree trunks (large wood with diameter > 10 cm); (5) coarse litter (leaves and ... See full document

... The coastal basins in Northeastern Brazil used in this study make up two different ecoregions for freshwater fishes (Amazonas estuary and coastal drainages, and Parnaiba) and two areas[r] ... See full document

... Freezing. For freezing, semen was diluted 1:25 (semen: solution) in eight cryoprotectant solutions selected in the toxicity test (Zanandrea et al., 2016). This dilution was used due to the low amount of semen of the ... See full document

... Breeding strategies must be adopted to avoid loss of genetic diversity in captive populations of threatened species, such as genetically characterizing the broodstocks (Carvalho et al.[r] ... See full document