2013
DOI: 10.1590/s0073-47212013000400001
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Abstract: ABSTRACT. Diet and feeding strategy of Characidium rachovii (Characiformes, Crenuchidae) in coastal plain streams of southern Brazil. Characidium rachovii (Regan, 1913) is a frequent species in coastal plain streams on state of Rio Grande do Sul, southern Brazil. However, its trophic niche is still unknown. This paper aimed to: (i) describe the diet of C. rachovii in three coastal plain streams of RS; (ii) evaluate the influence of an ecotone (sea-stream) in the diet by comparing two sites, one near and other … Show more

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Cited by 11 publications
(6 citation statements)
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“…Concordantly, A. anisitsi in the Pantanal feeds mainly on aquatic insects during the rainy season and terrestrial insects in the dry season (Corrêa et al, 2009) while in the upper Paraná River floodplain in Brazil, this species fed mainly on microcrustaceans (Cladocera and Copepoda), in addition to Decapoda larvae, insect larvae and detritus (Russo & Hahn, 2006). Although there is no information on C. borellii diet, other Characidium species show a carnivorous diet: C. rachovii feed on Diptera (aquatic stage) and Amphipoda (Bastos et al, 2013), and C. lanei and C. pterostictum feed mainly on insects larvae and arthropods (Aranha et al, 2000). Cheirodon interruptus also had a carnivorous diet (Cazorla et al, 2003;Escalante, 1987) but a "medium" sized intestine and number of caeca ( Figs.…”
Section: Discussionmentioning
confidence: 99%
“…Concordantly, A. anisitsi in the Pantanal feeds mainly on aquatic insects during the rainy season and terrestrial insects in the dry season (Corrêa et al, 2009) while in the upper Paraná River floodplain in Brazil, this species fed mainly on microcrustaceans (Cladocera and Copepoda), in addition to Decapoda larvae, insect larvae and detritus (Russo & Hahn, 2006). Although there is no information on C. borellii diet, other Characidium species show a carnivorous diet: C. rachovii feed on Diptera (aquatic stage) and Amphipoda (Bastos et al, 2013), and C. lanei and C. pterostictum feed mainly on insects larvae and arthropods (Aranha et al, 2000). Cheirodon interruptus also had a carnivorous diet (Cazorla et al, 2003;Escalante, 1987) but a "medium" sized intestine and number of caeca ( Figs.…”
Section: Discussionmentioning
confidence: 99%
“…Rachow's Darter Tetra is a freshwater fish that feeds on small invertebrates (Bonetto et al ., 1978; Casciotta et al ., 2005; Teixeira de Mello et al ., 2011; Bastos et al ., 2013; Ibarra-Polesel & Poi, 2016). This species is prey to larger fish, such as Hoplias malabaricus Bloch, 1794 and Crenicichla lepidota Heckel, 1840 (Ibarra-Polesel & Poi, 2016), and birds.…”
Section: Introductionmentioning
confidence: 99%
“…For C. zebra, Ephemeroptera, Chironomidae and Trichoptera were the most important food items and also abundant in streams; however, in the Zaúna stream, the diet was mainly composed of Amphipoda, where there was the greatest abundance of this crustacean. Bastos et al (2013) also found Amphipoda as an important food item for Characidium rachovii. These crustaceans are associated with habitats with higher water flow (Moya et al, 2009), as well as some Ephemeroptera and Trichoptera (Baptista et al, 2001).…”
Section: Stream/speciesmentioning
confidence: 94%