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	Provedor de dados Neotropical Ichthyology (13) Zoologia (4) Biota Neotropica (3) Pap. Avulsos de Zool. (São Paulo) (2) Autor Shibatta,Oscar Akio (22) Bennemann,Sirlei Terezinha (3) Abrahão,Vitor Pimenta (2) Almeida,Fernanda Simões de (2) Ferreira,Dhiego Gomes (2) Garavello,Julio Cesar (2) Orsi,Mário Luís (2) Sofia,Silvia Helena (2) Souza-Shibatta,Lenice (2) Almeida,Mara Cristina de (1) Artoni,Roberto Ferreira (1) Benine,Ricardo Cardoso (1) Bertollo,Luiz Antonio Carlos (1) Bombardelli,Robie Allan (1) Casatti,Lilian (1) Castro,Ricardo Macedo Corrêa e (1) Gealh,Ana Maria (1) Gross,Maria Claudia (1) Jarduli,Lucas Ribeiro (1) Langeani,Francisco (1) Mais... Palavra-chave Multivariate morphometrics (4) Systematics (4) Taxonomy (4) Neotropical (3) Bumble-bee catfish (2) Catfish (2) Diet (2) Ecology (2) Tibagi river (2) Age (1) Alto rio Paraná (1) Anatomy (1) Anual fish (1) Aquaculture (1) Bacia do rio Tibagi (1) Behavior (1) Biodiversity (1) Blind catfish (1) Brasil (1) Brazilian Eastern basin (1) Mais... Tipo do documento Info:eu-repo/semantics/article (22) Ano 2018 (1) 2017 (2) 2016 (2) 2015 (1) 2014 (1) 2013 (3) 2011 (1) 2007 (5) 2006 (1) 2005 (1) 2003 (1) 2001 (1) 1999 (1) 1996 (1) Mais... País Brazil (22) Idioma Inglês (15) Português (7)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 22 Primeira ... 1 2 ... Última A new genus of Neotropical rheophilic catfishes, with four new species (Teleostei: Siluriformes: Pseudopimelodidae) Neotropical Ichthyology Shibatta,Oscar Akio; Vari,Richard P.. ABSTRACT Rhyacoglanis, a new genus of the South American freshwater catfish family Pseudopimelodidae is described from cis-Andean portions of the continent. Rhyacoglanis is distinguished from other genera of the family by three synapomorphies: presence of a light blotch on the cheek; a connection between the middle of the dark caudal-fin stripe and the dark caudal-peduncle pigmentation; and 30-35 total vertebrae. Species of Rhyacoglanis are rheophilic and strongly associated with rapids and other swift-flowing waters. A phylogenetic analysis based on 41 morphological characters yields a hypothesis of monophyly of the Pseudopimelodidae and Rhyacoglanis. Pimelodus pulcher Boulenger, 1887, from the western Amazon basin is designated as type-species of the new... Tipo: Info:eu-repo/semantics/article Palavras-chave: Biodiversity; Identification key; Phylogeny; Systematics; Taxonomy. Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252017000200208 A new species of bumblebee catfish of the genus Microglanis (Siluriformes: Pseudopimelodidae) from the upper rio Paraguay basin, Brazil Neotropical Ichthyology Shibatta,Oscar Akio. ABSTRACT A new species of Microglanis from upper rio Paraguay basin is described. The species differs from congeners by the following combination of characters: deeply forked caudal fin with pointed lobes, bifurcated hook between antrorse and retrorse hooks on anterior margin of pectoral-fin spine, lateral line relatively long, surpassing the vertical through end of dorsal fin but not reaching adipose fin, color pattern of dorsal region of head dark brown with a restrict thin light area between anterior nostril and eye, broad light stripe on supraoccipital region. Tipo: Info:eu-repo/semantics/article Palavras-chave: Microglanis carlae; Microglanis cottoides; Multivariate morphometrics; Pantanal; Systematics. Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252016000300213 A new species of Microglanis (Siluriformes: Pseudopimelodidae) from upper rio Paraná basin, Brazil Neotropical Ichthyology Shibatta,Oscar Akio; Benine,Ricardo Cardoso. Microglanis garavelloi, new species, collected in tributaries of rio Paranapanema and rio Tietê, is the first species of the genus described from upper rio Paraná basin. The new species can be distinguished from other species of Microglanis on morphometric characters, color pattern, caudal-fin shape, pectoral-spine morphology and lateral line development. Characters used specifically to distinguish M. garavelloi from M. cottoides (laguna dos Patos and rio Uruguay basins) and M. parahybae (rio Paraíba do Sul basin) include morphometrics, color pattern and pectoral-spine serration. Tipo: Info:eu-repo/semantics/article Palavras-chave: Bumble bee catfish; Freshwater fishes; Neotropical; Rio Paranapanema; Rio Tietê. Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252005000400015 A new species of Microglanis(Siluriformes: Pseudopimelodidae) from the upper rio Tocantins basin, Goiás State, Central Brazil Neotropical Ichthyology Shibatta,Oscar Akio. A new species of Microglanis is described from the upper rio Tocantins basin, Barro Alto, Goiás State, Brazil. This species is distinguished from the others by presenting a unique color pattern, consisting of round spots in the flank between the larger dark brown blotches. Moreover, it can be distinguished by the combination of the following features: caudal fin emarginate, the upper lobe slightly larger than the lower, lateral line relatively long, reaching vertical through posterior margin of the pelvic fin, and light stripe on supra-occipital region absent or very narrow and with irregular shape. Tipo: Info:eu-repo/semantics/article Palavras-chave: Bumble-bee catfish; Multivariate morphometrics; Neotropical; Systematics. Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252014000100081 A new species of the genus Pimelodus La Cépède, 1803 from the rio Iguaçu basin and a reappraisal of Pimelodus ortmanni Haseman, 1911 from the rio Paraná system, Brazil (Ostariophysi: Siluriformes: Pimelodidae) Neotropical Ichthyology Garavello,Julio Cesar; Shibatta,Oscar Akio. A new species, Pimelodus britskii, is described from the rio Iguaçu in the rio Paraná drainage, on the border of Paraná and Santa Catarina states, Brazil. Specimens of this species were wrongly included in the type series of Pimelodus ortmanni. Pimelodus britskii is distinguished from its congeners by color pattern, having circular dark brown blotches usually smaller than one orbital diameter, regularly and scattered along the trunk. Differs from P. ortmanni by the following characters: body depth at posterior cleithral process greater than head length; lips not prominent; and maxillary barbel reaching or surpassing vertical drawn through median of adipose fin. Pimelodus britskii represents the second species of the genus Pimelodus from the rio Iguaçu basin. Tipo: Info:eu-repo/semantics/article Palavras-chave: Freshwater fishes Southern Brazil Taxonomy; Rio Iguaçu Pimelodus britskii. Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252007000300008 A new subterranean species of Phreatobius Goeldi, 1905 (Siluriformes, Incertae sedis) from the Southwestern Amazon basin Pap. Avulsos de Zool. (São Paulo) Shibatta,Oscar Akio; Muriel-Cunha,Janice; Pinna,Mário C.C. de. A new species of the previously monotypic catfish genus Phreatobius is described from an artificial well in the village of Rio Pardo, located 90 km south of the city of Porto Velho, State of Rondônia, Brazil, in the drainage area of the Rio Branco (Rio Madeira system, Amazon basin). Phreatobius dracunculus n. sp. differs from its only congener, P. cisternarum, by the absence of eyes (vs. present), the lack of dark integumentary pigmentation (vs. faint dark pigment always present), the presence of five pectoral-fin rays (vs. four), ventral procurrent rays 11-13 (vs. 22 to 26), dorsal procurrent rays 29-31 (vs. 42 to 50), fewer vertebrae (52 or 53 vs. 59 to 64) and the larger pseudotympanus. The new species shows all diagnostic characters so far proposed for... Tipo: Info:eu-repo/semantics/article Palavras-chave: Blind catfish; Subterranean fishes; Madeira basin; Habitat; Taxonomy. Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0031-10492007001700001 Alimentação em machos e fêmeas do pirá-brasília, Simpsonichthys boitonei Carvalho (Cyprinodontiformes, Rivulidae) Zoologia Shibatta,Oscar Akio; Rocha,Antônio José Andrade. Simpsonichthys boitonei Carvalho, 1959 has an evident sexual dimorphism, easily observed in the color pattern and body proportions. In order to know the differences in the diet between males and females, the stomach contents of 28 individuals was examined. The Sorensen's index of similarity showed 90.9% of food items in common between sex. The main food in this species is Cladocera as evidenced in terms of average number, abundance and frequency of occurrence. The presence of vegetable is evidence of a high flexibility of this species in relation to the feeding behavior. Maybe the differences in the social behavior between sex are important in the total amount of ingested food. Tipo: Info:eu-repo/semantics/article Palavras-chave: Simpsonichthys boitonei; Diet; Anual fish; Distrito Federal; Brasil. Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752001000200007 Astyanax aff. fasciatus Cuvier, 1819 (Teleostei; Characidae): evidences of a species complex in the upper rio Tibagi basin (Paraná, Brazil) Neotropical Ichthyology Artoni,Roberto Ferreira; Shibatta,Oscar Akio; Gross,Maria Claudia; Schneider,Carlos Henrique; Almeida,Mara Cristina de; Vicari,Marcelo Ricardo; Bertollo,Luiz Antonio Carlos. Four populations of Astyanax aff. fasciatus of the upper rio Tibagi (municipal district of Ponta Grossa, Paraná State, Brazil), had their karyotypes and morphometry analyzed. The cytogenetic data show the occurrence of distinct karyotypes (cytotypes), here named cytotype A, with 2n=48 chromosomes (6m+18sm+14st+10a), cytotype B, with 2n=50 chromosomes (8m+18sm+14st+10a) and cytotype C, with 2n=50 chromosomes (8m+18sm+14st+10a). The distribution pattern of the constitutive heterochromatin was very similar between cytotypes A and B, but diverged in relation to cytotype C. Distinct cytotypes may occur in sympatry in the upper rio Tibagi region, with the exception of the Furna 2 sample, which presents cytotype A exclusively. In addition, a specimen with 2n=49... Tipo: Info:eu-repo/semantics/article Palavras-chave: Tetra; Morphometrics; Karyotype; Sympatry; Cryptic species. Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252006000200005 Atividade alimentar de espécies de peixe do rio Tibagi, relacionada com o desenvolvimento de gordura e das gônadas Zoologia Bennemann,Sirlei Terezinha; Orsi,Mário Luís; Shibatta,Oscar Akio. The fish assemblage in a stretch of Tibagi river was studied during the period of one year, throught monthly sampling. It was observed that four fish species (Schizodon intermedius Garavello & Britski, 1990, Acestrorhynchus lacustris Reinhardt, 1874, Pimelodus maculatus Lacépède, 1803 and Steindachnerina insculpta Fernandez-Yepez, 1948) were very frequent and they represent all the main trophic groups. In order to characterize feeding activity, fat storage and reproduction the means degree of repletion, fat and maturation, obtained for each species in each month were compared among the four fish species. Steindachnerina insculpta, a detritivovous species was the one with the highest feeding activity while A. lacustris, a piscivorous fish, showed... Tipo: Info:eu-repo/semantics/article Palavras-chave: Fish; Feeding activity; Gonadal development; Tibagi river; Paraná. Ano: 1996 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751996000200018 Crescimento de Schizodon Intermedius Garavello & Britski (Ostheichthyes, Anostomidae) do Rio Tibagi (Sertanópolis, Paraná) Zoologia Orsi,Mário Luís; Shibatta,Oscar Akio. This work consists of age, growth, and circuli formation period determination and the relation of reproduction, temperature, and pluviosity on the growth of S. intermedius Garavello & Britski, 1990. The growth curve was adjusted by the Bertalanfy's expression and the relationship between weight and size was made by the minimum square method to determine the conditioning factor. Gonadossomatic index (IGS) was used to study the reproduction. The assintotic values for length were 33,94 cm and 44,81 cm for males and females, respectively. The circulus were formed annually and the growth was slow and the maximum age was determined to be nine years. The formation of the circuli was influenced by the reproduction, probably allied to other abiotic factors... Tipo: Info:eu-repo/semantics/article Palavras-chave: Schizodon intermedius; Age; Growth; Tibagi river. Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751999000300009 Cryptic species of the genus Pimelodella (Siluriformes: Heptapteridae) from the Miranda River, Paraguay River basin, Pantanal of Mato Grosso do Sul, Central Brazil Neotropical Ichthyology Souza-Shibatta,Lenice; Pezenti,Larissa Forim; Ferreira,Dhiego Gomes; Almeida,Fernanda Simões de; Sofia,Silvia Helena; Shibatta,Oscar Akio. Specimens of Pimelodellacaptured in the Miranda River, Pantanal of Mato Grosso do Sul State, present morphological features that could indicate at least four species. Therefore, karyotype analysis and molecular biology provided evidence that they were only two species, one showing 2n = 46, and the other, 2n = 52 chromosomes, with only 18% genetic similarity. The morphological analysis evidenced that the dorsal filament is a male characteristic and that the upper lobe of the caudal fin was variable and might or might not be elongated in both species. With respect to morphometric characters, the formation of two groups was evident, but with a small overlap of specimens between them. Among the species with filaments on the dorsal fin observed in the Pantanal,... Tipo: Info:eu-repo/semantics/article Palavras-chave: Cytotaxonomy; Cytogenetics; Multivariate morphometrics; RAPD. Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252013000100101 Description of a new species of Microglanis (Siluriformes: Pseudopimelodidae) from the Amazon basin, Amazonas State, Brazil Neotropical Ichthyology Jarduli,Lucas Ribeiro; Shibatta,Oscar Akio. The first species of Microglanis from the rio Amazonas, Amazonas State, Brazil is described. This species differs from all congeners by the forked caudal fin, and color pattern of the supraoccipital region consisting of two elliptical and juxtaposed pale spots, besides a combination of morphometrics characters. Tipo: Info:eu-repo/semantics/article Palavras-chave: Bumble-bee catfish; Multivariate morphometrics; Systematics. Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252013000300507 Development and characterization of microsatellite loci of Microglanis cottoides (Siluriformes: Pseudopimelodidae) and cross-species amplification Neotropical Ichthyology Souza-Shibatta,Lenice; Ferreira,Dhiego Gomes; Oliveira,Claudio; Almeida,Fernanda Simões de; Shibatta,Oscar Akio; Sofia,Silvia Helena. Thirteen microsatellite loci were isolated and characterized in Microglanis cottoides. Of these, two were monomorphic and 11 were polymorphic. These polymorphic loci tested on 24 individuals from a wild population produced a total of 108 different alleles, with levels of variability high, ranging from 2 to 20, with an average of 8.3 alleles per locus. The observed and expected heterozygosity ranged from 0.125 to 0.958 and from 0.119 to 0.931, respectively. A high combined probability of paternity exclusion value and a low probability combined genetic identity value obtained show that the set of loci described herein displays good suitability for paternity studies and differentiation of M. cottoides. Additionally, all thirteen microsatellite primers... Tipo: Info:eu-repo/semantics/article Palavras-chave: Brazilian Eastern basin; Catfish; Enriched genomic library; Genetic marker; SSR. Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252013000300581 Diversidade da ictiofauna do Alto Rio Paraná: composição atual e perspectivas futuras Biota Neotropica Langeani,Francisco; Castro,Ricardo Macedo Corrêa e; Oyakawa,Osvaldo Takeshi; Shibatta,Oscar Akio; Pavanelli,Carla Simone; Casatti,Lilian. É apresentada uma síntese sobre os peixes do Alto Paraná, com base em dados de coleções, dados de literatura e novas coletas. Trezentas e dez espécies, de 11 ordens e 38 famílias, são referidas para a drenagem, aumentando significativamente números anteriores. Dentre as espécies da área, 236 (76,1%) são autóctones, 67 (21,6%) alóctones e sete (2,3%) exóticas. As principais causas de ocorrência de espécies não nativas (alóctones e exóticas) foram a dispersão a partir do baixo Paraná, após a construção do Reservatório de Itaipu e o escape de pisciculturas. A maior parte das espécies referidas (65%) tem porte pequeno, sendo menor que 21 cm de comprimento; dentre essas, a maioria ocorre apenas em riachos e cabeceiras. Apesar da ictiofauna do Alto Paraná ser... Tipo: Info:eu-repo/semantics/article Palavras-chave: Peixes; Água doce; Sudeste brasileiro; Inventário; Transposição. Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032007000300020 DNA barcoding confirms the occurrence of Rhamdia branneri and Rhamdia voulezi (Siluriformes: Heptapteridae) in the Iguaçu River Basin Neotropical Ichthyology Ribolli,Josiane; Scaranto,Bianca Maria; Shibatta,Oscar Akio; Bombardelli,Robie Allan; Zaniboni-Filho,Evoy. ABSTRACT DNA barcoding is a widely utilized molecular-based identification of species and taxonomic resolutions. Until recently, Rhamdia voulezi and Rhamdia branneri were considered species synonyms of Rhamdia quelen; however, morphological and cytogenetic analyses have suggested the validity of distinct species. Due to the absence of molecular taxonomy of R. voulezi and R. branneri, the objective of this study was to test its validity through traditional DNA barcoding and the GMYC (General Mixed Yule Coalescent) COI-based analyses in 19 specimens from the Iguaçu River Basin. In both methodologies, three MOTUs (Molecular Operational Taxonomic Units) were identified based on the estimated optimum threshold (OT = 0.77). The average inter-MOTU distance (NJ,... Tipo: Info:eu-repo/semantics/article Palavras-chave: Aquaculture; COI; Jundiá; MOTU; Species complex. Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252017000100217 Gross brain morphology of Rhamdia quelen (Quoy & Gaimard 1824) (Ostariophysi: Siluriformes: Heptapteridae) Pap. Avulsos de Zool. (São Paulo) Abrahão,Vitor Pimenta; Pupo,Fábio Müller dos Reis de Salles; Shibatta,Oscar Akio. Abstract The brain gross morphology of Rhamdia quelen is described and compared with seven species of six genera of Heptapteridae. Interspecific variation in shape, size, and position of brain subdivisions was observed in all examined species. The posterior position of the hypophysis on the hypothalamus and presence of a lateral subdivision on the lobus facialis are shared by all examined heptapterids. Rhamdia quelen and Pimelodella gracilis, currently considered closely related within the family Heptapteridae, exhibit the anterior and posterior area of the telencephalon with equivalent widths, and the lateral line lobe reaching the anterior area of the lobus vagi. Members of the so called Nemuroglanis sub-clade (Cetopsorhamdia iheringi, Heptapterus... Tipo: Info:eu-repo/semantics/article Palavras-chave: Central nervous system; Anatomy; Catfish; Neotropical region. Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0031-10492018000100240 Gross morphology of the brain of Pseudopimelodus bufonius (Valenciennes, 1840) (Siluriformes: Pseudopimelodidae) Neotropical Ichthyology Abrahão,Vitor Pimenta; Shibatta,Oscar Akio. The gross morphology of the brain of the pseudopimelodid Pseudopimelodus bufonius is described and compared with congeners. Observations were made on removed brains after elimination of bones from the top of the skull and severing of the cranial nerves and the spinal cord. Nine morphometric characters associated with the major subdivisions of the brain were identified, seven of which revealed significant differences among the species examined. The corpus cerebelli in all examined species of the genus is the largest structure of the brain. The behavior of the species of Pseudopimelodus is still unknown, but in other teleosts that condition is typically correlated with a higher degree of motor coordination. Relative size proportions of the tectum opticum,... Tipo: Info:eu-repo/semantics/article Palavras-chave: Behavior; Catfishes; Comparative Morphology; Neotropical fishes; Neuroanatomy. Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252015000200255 Ictiofauna dos trechos alto e médio da bacia do rio Tibagi, Paraná, Brasil Biota Neotropica Shibatta,Oscar Akio; Gealh,Ana Maria; Bennemann,Sirlei Terezinha. A ictiofauna de quatro trechos da bacia hidrográfica do rio Tibagi foi amostrada mensalmente de maio de 2001 a abril de 2002, com redes de espera (totalizando 1.000 m²) para analisar a dominância, constância e similaridade. Um total de 68 espécies (32 Characiformes, 32 Siluriformes, 2 Gymnotiformes e 2 Perciformes) e 2.758 exemplares foram capturados. O trecho com maior riqueza de espécies foi Tibagi abaixo (50 espécies), seguido por Tibagi acima (40 espécies), Iapó (35) e Fortaleza (14). No Fortaleza ocorreu o menor número de espécies, mas foi verificada a maior abundância, com 508 dos 877 exemplares capturados pertencentes à espécie Astyanax paranae, o que elevou o índice de dominância desse local para 37,9%. As dez espécies mais abundantes... Tipo: Info:eu-repo/semantics/article Palavras-chave: Conservação; Alto rio Paraná; Ictiofauna; Rios; Bacia do rio Tibagi. Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032007000200014 Peixes como indicadores da qualidade ambiental do ribeirão Esperança, município de Londrina, Paraná, Brasil Biota Neotropica Vieira,Daniel Bartolomei; Shibatta,Oscar Akio. Com o objetivo de se avaliar a qualidade do ambiente e os padrões de diversidade das espécies de peixes de um riacho urbano alterado, foram feitas avaliações da qualidade de hábitats, análises da velocidade da água e levantamento da distribuição das espécies de peixes. Para abranger uma quantidade maior de ambientes, cinco trechos ao longo do ribeirão foram escolhidos para quatro coletas sazonais da ictiofauna, em função de suas diferentes características físicas e influência da ação humana. Um total de 5.426 espécimes, de 12 espécies e 6 ordens, foi coletado. Através da análise da diversidade de hábitats e da velocidade da água, foi possível determinar qual a situação de alteração ambiental de cada trecho de coleta. Os trechos intermediários apresentaram... Tipo: Info:eu-repo/semantics/article Palavras-chave: Diversidade de hábitats; Diversidade de peixes; Qualidade da água; Região urbana; Riachos. Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032007000100008 Plasticidade alimentar em Rivulus pictus Costa (Osteichthtyes, Cyprinodontiformes, Rivulidae) de uma pequena lagoa em Brasília, Distrito Federal, Brasil Zoologia Shibatta,Oscar Akio; Bennemann,Sirlei Terezinha. Rivulus pictus has a wide distribution in Distrito Federal and lives in different environments, including small lakes. The analysis of gastric and intestinal contents showed that most of the 21 ingested food items were from autochthonous origin and characterized the diet of an omnivorous fish with a trend to planktivory. Five feeding items were important in the composition of the alimentary spectrum and revealed that food resources are explored near water surface (Acari), in the water column (Copepoda, Cladocera and Closterium sp.) and also in the bottom (Chironomidae). The varied diet and the capacity to explore all levels of the environment evidenced that feeding flexibility is one of the factors that facilitates the survival of this species in different... Tipo: Info:eu-repo/semantics/article Palavras-chave: Diet; Feeding spectrum; Ecology. Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752003000400009 Registros recuperados: 22 Primeira ... 1 2 ... 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