2005
DOI: 10.1590/s1519-69842005000300002
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Abstract: We compare the classic model of feeding of tropical fish by means of six bimonthly samplings using gillnets of varying mesh sizes that were inspected every twelve hours throughout a forty-eight hour period. The stomachs of the fish caught were classified in three categories according to quantity of food found. The amount of fat in the visceral cavity with respect to the energetic reserve deposition was also studied. The relative frequencies of the different categories of stomach repletion and fat deposition we… Show more

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Cited by 14 publications
(13 citation statements)
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“…In the present study, Leporinus amblyrhynchus, I. labrosus, and P. maculatus stomachs contained the greatest OTU richness, and their diverse diets based mainly on insect larvae have been reported by others (Durães et al, 2001;Callisto et al, 2002;Andrade & Braga, 2005;Fagundes et al, 2008). Chironomidae larvae were the most commonly occurring benthic macroinvertebrates in the fish stomachs, especially in L. amblyrhynchus and I. labrosus-in which they were present in 100% of stomachs analyzed.…”
Section: Discussionsupporting
confidence: 76%
“…In the present study, Leporinus amblyrhynchus, I. labrosus, and P. maculatus stomachs contained the greatest OTU richness, and their diverse diets based mainly on insect larvae have been reported by others (Durães et al, 2001;Callisto et al, 2002;Andrade & Braga, 2005;Fagundes et al, 2008). Chironomidae larvae were the most commonly occurring benthic macroinvertebrates in the fish stomachs, especially in L. amblyrhynchus and I. labrosus-in which they were present in 100% of stomachs analyzed.…”
Section: Discussionsupporting
confidence: 76%
“…Among the main effects of the presence of macrophytes is the supply of abundant food for herbivorous species, such as S. nasutus (Andrade and Braga, 2005), a fish that totaled the highest biomass captured. The species success in colonization of the reservoir should also be related to other ecological adaptations, such as portioned spawning and the absence of parental care (Reynalte-Tataje and Zaniboni-Filho, 2008;Vazzoler and Menezes, 1992).…”
Section: Discussionmentioning
confidence: 99%
“…Only five species were exclusive to the upper reach; five species were Hartz et al (1996) Characidium sp.1 X Invertivore Costa (1987); Braga (2005); Oyakawa et al (2006) Callichthys callichthys X X Detritivore Mol (1995) Probolodus heterostomus X X X Omnivore Roberts (1970); Sazima (1983); Oyakawa et al (2006) Leporinus copelandii X X X Herbivore Nomura (1976) Poecilia reticulata a X X X Omnivore Harpaz et al (2005) Astyanax scabripinnis X X Omnivore Castro & Casatti (1997) Astyanax sp.2 X X Omnivore Hartz et al (1996) (1980) Abramites hypselonotus a X X Omnivore Silvano et al (2001) Metynnis maculatus a X X Omnivore Sazima (1986) Cichla monoculus a X X Carnivore Câmara & Chellappa (1996); Andrade & Braga (2005) Mugil curema b X Detritivore Menezes & Figueiredo (1985) Mugil liza b X Detritivore Menezes & Figueiredo (1985) Salminus brasiliensis a X Carnivore Rodrigues & Menin (2006) Genidens genidens b X Carnivore Figueiredo & Menezes (1978) Trinectes paulistanus b X Invertivore Figueiredo & Menezes (2000) Lycengraulis grossidens b X Carnivore Figueiredo & Menezes (1978) Rineloricaria steindachneri X Detritivore personal observation…”
Section: Fish Assemblagesmentioning
confidence: 99%