2008
DOI: 10.1590/s1679-62252008000400018
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Abstract: Segregation in the use of the water column by two congeneric species of Characidae, Hyphessobrycon bifasciatus and H. luetkenii, was investigated through underwater observations in the Cabiúnas coastal lagoon in northeastern Rio de Janeiro, Brazil. The use of the water column by the two species differed significantly. Hyphessobrycon luetkenii occupied mainly the uppermost stratum, with 79% of the observations within 20 cm of the surface; whereas H. bifasciatus was more common between 20 cm and 40 cm below the … Show more

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Cited by 10 publications
(7 citation statements)
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“…Active individuals of P. harpagos showed non size-related and non-random patterns of microhabitat use, positively selecting fine-grained substratum, pools (slow waters) and shallow positions with or without vegetal cover. This is a kind of microhabitat frequently registered for Poeciliidae species (i.e., Mazzoni & Iglesias-Rios, 2002;Lima et al, 2008).…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Active individuals of P. harpagos showed non size-related and non-random patterns of microhabitat use, positively selecting fine-grained substratum, pools (slow waters) and shallow positions with or without vegetal cover. This is a kind of microhabitat frequently registered for Poeciliidae species (i.e., Mazzoni & Iglesias-Rios, 2002;Lima et al, 2008).…”
Section: Discussionmentioning
confidence: 99%
“…Numerous studies have explored the relationship between fish distribution and the quality or quantity of their habitats in temperate (e.g., Schlosser, 1987;Valladolid & Przybylski, 1996;Lamouroux et al, 1999) and Mediterranean (e.g., Grossman et al, 1987b;Rincón et al, 1992;Santos et al, 2004;Martínez-Capel et al, 2009) rivers, but there are few studies for tropical fishes (Reichad, 2008). With one known exception (Lima et al, 2008), these studies in tropical areas, did not provide habitat indexes, but were mostly based on qualitative observation and descriptive data and the term microhabitat was used to refer to general locations in the river bed (Mazzoni & Iglesias-Rios, 2002;Casatti & Castro, 2006;Ferreira, 2007 and references therein). Nonetheless, in studies addressing microhabitat use by fish it should be considered the position of the fish in the water column (focal height and focal velocity) as well as quantitative data of used and available resources, which are essential to understand fish behaviour and to apply advanced river modelling techniques (Martínez-Capel et al, 2004).…”
Section: Introductionmentioning
confidence: 99%
“…"Lago do Leo" at the rio Suiazinho, where some paratypes of Hyphessobrycon loweae were collected, is a small lake with dense aquatic vegetation (Lowe-McConnell, 1991: 71). Similarly to some congeners such as H. eques (Steindachner), H. micropterus (Eigenmann), and Hyphessobrycon negodagua Lima & Gerhard (Lima & Gerhard, 2001: 112-113), H. weitzmanorum Lima & Moreira (Lima & Moreira, 2003: 30), and H. bifasciatus Ellis (Lima et al, 2008), it appears that H. loweae favors streams and/or ponds with abundant submerged aquatic vegetation.…”
Section: Sexual Dimorphismmentioning
confidence: 98%
“…Resource partitioning may occur due to differential use of food and/or spatial resources (Schoener, 1974), but trophic segregation is considered as the most important type of resource partitioning in fish assemblages (Ross, 1986). Spatial segregation is often related to differences in the use of microhabitats (Casatti et al, 2005;Lima et al, 2008), while trophic segregation occurs due to differences in consumed prey and/or feeding strategy (Piorski et al, 2005;Brazil-Sousa et al, 2009).…”
Section: Introductionmentioning
confidence: 99%