2005
DOI: 10.1590/s1679-62252005000300011
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Diet composition and feeding strategy of the southern pipefish Syngnathus folletti in a Widgeon grass bed of the Patos Lagoon Estuary, RS, Brazil

Abstract: Pipefish species are poorly known representatives of the family Syngnathidae, which have been increasingly threatened by anthropogenic activities. We describe the diet composition and feeding strategy of southern pipefish Syngnathus folletti inhabiting a Widgeon grass (Ruppia maritima L.) bed in the estuarine zone of Patos Lagoon, southern Brazil. We also investigated whether mouth gape affected the size of prey items consumed and based on indirect evidence, we suggest possible pipefish foraging movements with… Show more

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Cited by 27 publications
(17 citation statements)
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“…Furthermore, Garcia et al (2005) have suggested that, in the case of S. folletti, that feeding behavior may also determine higher between-phenotype variability than previously suggested.…”
Section: Discussionmentioning
confidence: 90%
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“…Furthermore, Garcia et al (2005) have suggested that, in the case of S. folletti, that feeding behavior may also determine higher between-phenotype variability than previously suggested.…”
Section: Discussionmentioning
confidence: 90%
“…The occasional consumption of larger prey like caridean shrimp and fishes by H. reidi -a situation also observed in S. typhle (Oliveira et al, 2007) and in the females of S. folletti by Garcia et al (2005) -could result in a larger energy intake by seahorses than preying upon smaller prey such as copepods; a desirable mechanism for a species that mainly uses a sit-and-wait strategy. Furthermore, Garcia et al (2005) have suggested that, in the case of S. folletti, that feeding behavior may also determine higher between-phenotype variability than previously suggested.…”
Section: Discussionmentioning
confidence: 91%
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“…A disposição dos pontos, que representam cada presa no plano (FO% x AE%), permite inferir sobre: (i) importância das presas, no qual as presas dominantes localizam-se no canto superior direito do gráfico, ou seja, com altos valores de FO% e AE%, e as presas raras concentram-se no canto inferior esquerdo, com baixos valores de FO% e AE%; (ii) grau de especialização ou generalização, no qual especialistas possuem suas presas na parte superior do gráfico, com altos valores de AE%, e generalistas na parte inferior, com baixos valores de AE%; e (iii) componentes intra e entre fenotípicos da amplitude do nicho, no qual uma população em que diferentes indivíduos se especializam em diferentes tipos de presas possui um alto componente entre fenótipos, e por outro lado, uma população em que a maioria dos indivíduos utilizam diferentes recursos simultaneamente possui um alto componente intra fenótipos. Ambos componentes fenotípicos podem ser visualizados no diagrama, já que presas com abundância específica alta e baixa frequência de ocorrência (localizadas no canto superior esquerdo) foram consumidas por poucos indivíduos que mostram especialização (alto componente entre fenótipos), enquanto presas com alta frequência de ocorrência e baixa abundância específica foram consumidas ocasionalmente, mas pela maioria da população (alto componente intra fenótipos) (Garcia et al, 2005).…”
Section: Methodsunclassified
“…Mereka sangat bergantung pada kelompok zooplankton sebagai makanan utama. Konsumsi zooplankton pada fase juwana merupakan suatu tahapan penting yang harus dilewati dalam daur pemanfaatan makanan, seperti pada ikan Pterengraulis atherinoides di alursungaialursungai mangrove di utara Brazil (Krumme et al, 2005); Syngnathus folletti di estuari Laguna Patos (Garcia et al, 2005); Engraulis encrasicolus di Laut Aegean (Catalán et al, 2010). Keberadaan zooplankton dalam jumlah melimpah menegaskan bahwa area ini merupakan area pengasuhan dan pembesaran bagi kebanyakan ikan (Hajisamae et al, 2006;de Raedemaecker et al, 2011).…”
Section: Analisa Dataunclassified