EdenteV2, PascalFrancis, Corpus, bibRecord, 000519

Ontogenetic shifts in digestive tract morphology and diet of fish larvae of the Itaipu Reservoir, Brazil

Identifieur interne : 000519 ( PascalFrancis/Corpus ); précédent : 000518; suivant : 000520

Ontogenetic shifts in digestive tract morphology and diet of fish larvae of the Itaipu Reservoir, Brazil

Auteurs : Maristela Cavicchioli Makrakis ; Keshiyu Nakatani ; Andréa Bialetzki ; Paulo Vanderlei Sanches ; Gilmar Baumgartner ; Luiz Carlos Gomes

Source :

Environmental biology of fishes [ 0378-1909 ] ; 2005.

RBID : Pascal:05-0139767

Descripteurs français

Pascal (Inist)
- Tube digestif, Morphologie, Régime alimentaire, Pisces, Larve, Lac artificiel, Réservoir, Brésil, Aliment, Milieu eau douce.

English descriptors

KwdEn :
- Artificial lake, Brazil, Diet, Digestive tract, Food, Freshwater environment, Larva, Morphology, Pisces, Reservoir.

Abstract

We analyzed the ontogenetic shifts in digestive tract morphology and diets of the young of Iheringichthys labrosus, Hypophthalmus edentatus and Plagioscion squamosissimus, sampled in the Itaipu Reservoir, Brazil-Paraguay. We described the dental structures, the gill rakers and the digestive tract, and analyzed the diet of the young fish. We observed teeth in the jaws and pharynx in young of the three species. In H. edentatus, the gill rakers developed more rapidly, and were longer and more numerous on the first arch, related to their planktivorous feeding habit. I. labrosus and P. squamosissimus had long gill rakers only on the first arch, they were short and thick on the rest. The stomach was defined only in P. squamosissimus, with pyloric caeca. Their diets were mainly zooplankton. I. labrosus fed particularly on cladocerans and rotifers; H. edentatus consumed essentially cladocerans; and P. squamosissimus fed basically on copepods. We observed greater similarity in diet between the young of I. labrosus and H. edentatus, especially for the first length classes. The diet of I. labrosus became more diversified at the end of the larval period, indicating a transition in the feeding habit and habitat for this species. P. squamosissimus showed a very different diet from the others species. The differences in oral anatomy, allied to the morphology of the digestive tract, visual acuity, swimming hability, way of foraging, and especially mouth position, form and size, were determining factors in the diets of these species.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A14	`02`			`@1 Pós-Gradução em Ciências Ambientais, Universidade Estadual de Maringá, DBI, Núcleo de Pesquisas em Limnologia, Ictiologia e Aqüicultura (Nupelia) @2 Maringá, Paraná @3 BRA @Z 1 aut. @Z 2 aut. @Z 3 aut. @Z 4 aut. @Z 5 aut. @Z 6 aut.`
A14	`03`			`@1 Universidade Paranaense, Campus de Toledo @2 Toledo, Paraná @3 BRA @Z 4 aut.`
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A21				`@1 2005`
A23	`01`			`@0 ENG`
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A44				`@0 0000 @1 © 2005 INIST-CNRS. All rights reserved.`
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C01	`01`		`ENG`	@0 We analyzed the ontogenetic shifts in digestive tract morphology and diets of the young of Iheringichthys labrosus, Hypophthalmus edentatus and Plagioscion squamosissimus, sampled in the Itaipu Reservoir, Brazil-Paraguay. We described the dental structures, the gill rakers and the digestive tract, and analyzed the diet of the young fish. We observed teeth in the jaws and pharynx in young of the three species. In H. edentatus, the gill rakers developed more rapidly, and were longer and more numerous on the first arch, related to their planktivorous feeding habit. I. labrosus and P. squamosissimus had long gill rakers only on the first arch, they were short and thick on the rest. The stomach was defined only in P. squamosissimus, with pyloric caeca. Their diets were mainly zooplankton. I. labrosus fed particularly on cladocerans and rotifers; H. edentatus consumed essentially cladocerans; and P. squamosissimus fed basically on copepods. We observed greater similarity in diet between the young of I. labrosus and H. edentatus, especially for the first length classes. The diet of I. labrosus became more diversified at the end of the larval period, indicating a transition in the feeding habit and habitat for this species. P. squamosissimus showed a very different diet from the others species. The differences in oral anatomy, allied to the morphology of the digestive tract, visual acuity, swimming hability, way of foraging, and especially mouth position, form and size, were determining factors in the diets of these species.
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C07	`05`	`X`	`SPA`	`@0 Grado desarrollo @5 18`
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Format Inist (serveur)

NO :	PASCAL 05-0139767 INIST
ET :	Ontogenetic shifts in digestive tract morphology and diet of fish larvae of the Itaipu Reservoir, Brazil
AU :	MAKRAKIS (Maristela Cavicchioli); NAKATANI (Keshiyu); BIALETZKI (Andréa); SANCHES (Paulo Vanderlei); BAUMGARTNER (Gilmar); GOMES (Luiz Carlos)
AF :	Universidade Estadual do Oeste do Paraná, Campus de Toledo, Curso de Engenharia de Pesca, Grupo de Pesquisas em Recursos Pesqueiros e Limnologia (Gerpel)/Toledo, Paraná/Brésil (1 aut., 5 aut.); Pós-Gradução em Ciências Ambientais, Universidade Estadual de Maringá, DBI, Núcleo de Pesquisas em Limnologia, Ictiologia e Aqüicultura (Nupelia)/Maringá, Paraná/Brésil (1 aut., 2 aut., 3 aut., 4 aut., 5 aut., 6 aut.); Universidade Paranaense, Campus de Toledo/Toledo, Paraná/Brésil (4 aut.)
DT :	Publication en série; Niveau analytique
SO :	Environmental biology of fishes; ISSN 0378-1909; Coden EBFID3; Pays-Bas; Da. 2005; Vol. 72; No. 1; Pp. 99-107; Bibl. 18 ref.
LA :	Anglais
EA :	We analyzed the ontogenetic shifts in digestive tract morphology and diets of the young of Iheringichthys labrosus, Hypophthalmus edentatus and Plagioscion squamosissimus, sampled in the Itaipu Reservoir, Brazil-Paraguay. We described the dental structures, the gill rakers and the digestive tract, and analyzed the diet of the young fish. We observed teeth in the jaws and pharynx in young of the three species. In H. edentatus, the gill rakers developed more rapidly, and were longer and more numerous on the first arch, related to their planktivorous feeding habit. I. labrosus and P. squamosissimus had long gill rakers only on the first arch, they were short and thick on the rest. The stomach was defined only in P. squamosissimus, with pyloric caeca. Their diets were mainly zooplankton. I. labrosus fed particularly on cladocerans and rotifers; H. edentatus consumed essentially cladocerans; and P. squamosissimus fed basically on copepods. We observed greater similarity in diet between the young of I. labrosus and H. edentatus, especially for the first length classes. The diet of I. labrosus became more diversified at the end of the larval period, indicating a transition in the feeding habit and habitat for this species. P. squamosissimus showed a very different diet from the others species. The differences in oral anatomy, allied to the morphology of the digestive tract, visual acuity, swimming hability, way of foraging, and especially mouth position, form and size, were determining factors in the diets of these species.
CC :	002A14B02C2A; 002A14B04C
FD :	Tube digestif; Morphologie; Régime alimentaire; Pisces; Larve; Lac artificiel; Réservoir; Brésil; Aliment; Milieu eau douce
FG :	Vertebrata; Amérique du Sud; Amérique; Alimentation; Stade développement
ED :	Digestive tract; Morphology; Diet; Pisces; Larva; Artificial lake; Reservoir; Brazil; Food; Freshwater environment
EG :	Vertebrata; South America; America; Feeding; Developmental stage
SD :	Tubo digestivo; Morfología; Régimen alimentario; Pisces; Larva; Lago artificial; Depósito; Brasil; Alimento; Medio agua dulce
LO :	INIST-17564.354000126249390100
ID :	05-0139767

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Pascal:05-0139767

Le document en format XML

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<author><name sortKey="Gomes, Luiz Carlos" sort="Gomes, Luiz Carlos" uniqKey="Gomes L" first="Luiz Carlos" last="Gomes">Luiz Carlos Gomes</name>
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<author><name sortKey="Sanches, Paulo Vanderlei" sort="Sanches, Paulo Vanderlei" uniqKey="Sanches P" first="Paulo Vanderlei" last="Sanches">Paulo Vanderlei Sanches</name>
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<author><name sortKey="Baumgartner, Gilmar" sort="Baumgartner, Gilmar" uniqKey="Baumgartner G" first="Gilmar" last="Baumgartner">Gilmar Baumgartner</name>
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<author><name sortKey="Gomes, Luiz Carlos" sort="Gomes, Luiz Carlos" uniqKey="Gomes L" first="Luiz Carlos" last="Gomes">Luiz Carlos Gomes</name>
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<s2>Maringá, Paraná</s2>
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<series><title level="j" type="main">Environmental biology of fishes</title>
<title level="j" type="abbreviated">Environ. biol. fishes</title>
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<imprint><date when="2005">2005</date>
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<seriesStmt><title level="j" type="main">Environmental biology of fishes</title>
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<term>Freshwater environment</term>
<term>Larva</term>
<term>Morphology</term>
<term>Pisces</term>
<term>Reservoir</term>
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<front><div type="abstract" xml:lang="en">We analyzed the ontogenetic shifts in digestive tract morphology and diets of the young of Iheringichthys labrosus, Hypophthalmus edentatus and Plagioscion squamosissimus, sampled in the Itaipu Reservoir, Brazil-Paraguay. We described the dental structures, the gill rakers and the digestive tract, and analyzed the diet of the young fish. We observed teeth in the jaws and pharynx in young of the three species. In H. edentatus, the gill rakers developed more rapidly, and were longer and more numerous on the first arch, related to their planktivorous feeding habit. I. labrosus and P. squamosissimus had long gill rakers only on the first arch, they were short and thick on the rest. The stomach was defined only in P. squamosissimus, with pyloric caeca. Their diets were mainly zooplankton. I. labrosus fed particularly on cladocerans and rotifers; H. edentatus consumed essentially cladocerans; and P. squamosissimus fed basically on copepods. We observed greater similarity in diet between the young of I. labrosus and H. edentatus, especially for the first length classes. The diet of I. labrosus became more diversified at the end of the larval period, indicating a transition in the feeding habit and habitat for this species. P. squamosissimus showed a very different diet from the others species. The differences in oral anatomy, allied to the morphology of the digestive tract, visual acuity, swimming hability, way of foraging, and especially mouth position, form and size, were determining factors in the diets of these species.</div>
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<fA14 i1="01"><s1>Universidade Estadual do Oeste do Paraná, Campus de Toledo, Curso de Engenharia de Pesca, Grupo de Pesquisas em Recursos Pesqueiros e Limnologia (Gerpel)</s1>
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<fC01 i1="01" l="ENG"><s0>We analyzed the ontogenetic shifts in digestive tract morphology and diets of the young of Iheringichthys labrosus, Hypophthalmus edentatus and Plagioscion squamosissimus, sampled in the Itaipu Reservoir, Brazil-Paraguay. We described the dental structures, the gill rakers and the digestive tract, and analyzed the diet of the young fish. We observed teeth in the jaws and pharynx in young of the three species. In H. edentatus, the gill rakers developed more rapidly, and were longer and more numerous on the first arch, related to their planktivorous feeding habit. I. labrosus and P. squamosissimus had long gill rakers only on the first arch, they were short and thick on the rest. The stomach was defined only in P. squamosissimus, with pyloric caeca. Their diets were mainly zooplankton. I. labrosus fed particularly on cladocerans and rotifers; H. edentatus consumed essentially cladocerans; and P. squamosissimus fed basically on copepods. We observed greater similarity in diet between the young of I. labrosus and H. edentatus, especially for the first length classes. The diet of I. labrosus became more diversified at the end of the larval period, indicating a transition in the feeding habit and habitat for this species. P. squamosissimus showed a very different diet from the others species. The differences in oral anatomy, allied to the morphology of the digestive tract, visual acuity, swimming hability, way of foraging, and especially mouth position, form and size, were determining factors in the diets of these species.</s0>
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<server><NO>PASCAL 05-0139767 INIST</NO>
<ET>Ontogenetic shifts in digestive tract morphology and diet of fish larvae of the Itaipu Reservoir, Brazil</ET>
<AU>MAKRAKIS (Maristela Cavicchioli); NAKATANI (Keshiyu); BIALETZKI (Andréa); SANCHES (Paulo Vanderlei); BAUMGARTNER (Gilmar); GOMES (Luiz Carlos)</AU>
<AF>Universidade Estadual do Oeste do Paraná, Campus de Toledo, Curso de Engenharia de Pesca, Grupo de Pesquisas em Recursos Pesqueiros e Limnologia (Gerpel)/Toledo, Paraná/Brésil (1 aut., 5 aut.); Pós-Gradução em Ciências Ambientais, Universidade Estadual de Maringá, DBI, Núcleo de Pesquisas em Limnologia, Ictiologia e Aqüicultura (Nupelia)/Maringá, Paraná/Brésil (1 aut., 2 aut., 3 aut., 4 aut., 5 aut., 6 aut.); Universidade Paranaense, Campus de Toledo/Toledo, Paraná/Brésil (4 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Environmental biology of fishes; ISSN 0378-1909; Coden EBFID3; Pays-Bas; Da. 2005; Vol. 72; No. 1; Pp. 99-107; Bibl. 18 ref.</SO>
<LA>Anglais</LA>
<EA>We analyzed the ontogenetic shifts in digestive tract morphology and diets of the young of Iheringichthys labrosus, Hypophthalmus edentatus and Plagioscion squamosissimus, sampled in the Itaipu Reservoir, Brazil-Paraguay. We described the dental structures, the gill rakers and the digestive tract, and analyzed the diet of the young fish. We observed teeth in the jaws and pharynx in young of the three species. In H. edentatus, the gill rakers developed more rapidly, and were longer and more numerous on the first arch, related to their planktivorous feeding habit. I. labrosus and P. squamosissimus had long gill rakers only on the first arch, they were short and thick on the rest. The stomach was defined only in P. squamosissimus, with pyloric caeca. Their diets were mainly zooplankton. I. labrosus fed particularly on cladocerans and rotifers; H. edentatus consumed essentially cladocerans; and P. squamosissimus fed basically on copepods. We observed greater similarity in diet between the young of I. labrosus and H. edentatus, especially for the first length classes. The diet of I. labrosus became more diversified at the end of the larval period, indicating a transition in the feeding habit and habitat for this species. P. squamosissimus showed a very different diet from the others species. The differences in oral anatomy, allied to the morphology of the digestive tract, visual acuity, swimming hability, way of foraging, and especially mouth position, form and size, were determining factors in the diets of these species.</EA>
<CC>002A14B02C2A; 002A14B04C</CC>
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<ED>Digestive tract; Morphology; Diet; Pisces; Larva; Artificial lake; Reservoir; Brazil; Food; Freshwater environment</ED>
<EG>Vertebrata; South America; America; Feeding; Developmental stage</EG>
<SD>Tubo digestivo; Morfología; Régimen alimentario; Pisces; Larva; Lago artificial; Depósito; Brasil; Alimento; Medio agua dulce</SD>
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Ontogenetic shifts in digestive tract morphology and diet of fish larvae of the Itaipu Reservoir, Brazil

Ontogenetic shifts in digestive tract morphology and diet of fish larvae of the Itaipu Reservoir, Brazil

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