Feeding ecology of juvenile dog snapper Lutjanus jocu (Bloch and Shneider, 1801) (Lutjanidae) in intertidal mangrove creeks in Curuçá estuary (Northern Brazil)

Monteiro,Dijane Pantoja; Giarrizzo,Tommaso; Isaac,Victoria

Feeding ecology of juvenile dog snapper Lutjanus jocu (Bloch and Shneider, 1801) (Lutjanidae) in intertidal mangrove creeks in Curuçá estuary (Northern Brazil)

The diet and feeding ecology of juvenile dog snapper (Lutjanus jocu) were investigated in 92 specimens collected in four intertidal mangrove creeks of Curuçá estuary, Northern Brazil, between September 2003 and July 2004. No significant differences in total length were found between the sampling months. Feeding intensity was high as indicated by high stomach fullness index and low vacuity index. The most important prey was Penaeidae, followed by Grapsidae and Porcellanidae. The diet of juvenile dog snapper showed clear seasonal differences. Specimens from dry season (September and November) and dry / wet season transition (January), were specialists feeding exclusively on Penaeidae. However, the specimens from wet season (March and May) and wet /dry season transition (July) that consumed mainly Grapsidae, Penaeidae and Porcellanidae were generalist. These seasonal changes in diet could be related to variations in food availability.

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Main Authors:	Monteiro,Dijane Pantoja, Giarrizzo,Tommaso, Isaac,Victoria
Format:	Digital revista
Language:	English
Published:	Instituto de Tecnologia do Paraná - Tecpar 2009
Online Access:	http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000600014
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id	oai:scielo:S1516-89132009000600014
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spelling	oai:scielo:S1516-891320090006000142010-02-09Feeding ecology of juvenile dog snapper Lutjanus jocu (Bloch and Shneider, 1801) (Lutjanidae) in intertidal mangrove creeks in Curuçá estuary (Northern Brazil)Monteiro,Dijane PantojaGiarrizzo,TommasoIsaac,Victoria estuary feeding habits feeding strategy juvenile fish Lutjanus jocu intertidal mangrove creek The diet and feeding ecology of juvenile dog snapper (Lutjanus jocu) were investigated in 92 specimens collected in four intertidal mangrove creeks of Curuçá estuary, Northern Brazil, between September 2003 and July 2004. No significant differences in total length were found between the sampling months. Feeding intensity was high as indicated by high stomach fullness index and low vacuity index. The most important prey was Penaeidae, followed by Grapsidae and Porcellanidae. The diet of juvenile dog snapper showed clear seasonal differences. Specimens from dry season (September and November) and dry / wet season transition (January), were specialists feeding exclusively on Penaeidae. However, the specimens from wet season (March and May) and wet /dry season transition (July) that consumed mainly Grapsidae, Penaeidae and Porcellanidae were generalist. These seasonal changes in diet could be related to variations in food availability.info:eu-repo/semantics/openAccessInstituto de Tecnologia do Paraná - TecparBrazilian Archives of Biology and Technology v.52 n.6 20092009-12-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000600014en10.1590/S1516-89132009000600014
institution	SCIELO
collection	OJS
country	Brasil
countrycode	BR
component	Revista
access	En linea
databasecode	rev-scielo-br
tag	revista
region	America del Sur
libraryname	SciELO
language	English
format	Digital
author	Monteiro,Dijane Pantoja Giarrizzo,Tommaso Isaac,Victoria
spellingShingle	Monteiro,Dijane Pantoja Giarrizzo,Tommaso Isaac,Victoria Feeding ecology of juvenile dog snapper Lutjanus jocu (Bloch and Shneider, 1801) (Lutjanidae) in intertidal mangrove creeks in Curuçá estuary (Northern Brazil)
author_facet	Monteiro,Dijane Pantoja Giarrizzo,Tommaso Isaac,Victoria
author_sort	Monteiro,Dijane Pantoja
title	Feeding ecology of juvenile dog snapper Lutjanus jocu (Bloch and Shneider, 1801) (Lutjanidae) in intertidal mangrove creeks in Curuçá estuary (Northern Brazil)
title_short	Feeding ecology of juvenile dog snapper Lutjanus jocu (Bloch and Shneider, 1801) (Lutjanidae) in intertidal mangrove creeks in Curuçá estuary (Northern Brazil)
title_full	Feeding ecology of juvenile dog snapper Lutjanus jocu (Bloch and Shneider, 1801) (Lutjanidae) in intertidal mangrove creeks in Curuçá estuary (Northern Brazil)
title_fullStr	Feeding ecology of juvenile dog snapper Lutjanus jocu (Bloch and Shneider, 1801) (Lutjanidae) in intertidal mangrove creeks in Curuçá estuary (Northern Brazil)
title_full_unstemmed	Feeding ecology of juvenile dog snapper Lutjanus jocu (Bloch and Shneider, 1801) (Lutjanidae) in intertidal mangrove creeks in Curuçá estuary (Northern Brazil)
title_sort	feeding ecology of juvenile dog snapper lutjanus jocu (bloch and shneider, 1801) (lutjanidae) in intertidal mangrove creeks in curuçá estuary (northern brazil)
description	The diet and feeding ecology of juvenile dog snapper (Lutjanus jocu) were investigated in 92 specimens collected in four intertidal mangrove creeks of Curuçá estuary, Northern Brazil, between September 2003 and July 2004. No significant differences in total length were found between the sampling months. Feeding intensity was high as indicated by high stomach fullness index and low vacuity index. The most important prey was Penaeidae, followed by Grapsidae and Porcellanidae. The diet of juvenile dog snapper showed clear seasonal differences. Specimens from dry season (September and November) and dry / wet season transition (January), were specialists feeding exclusively on Penaeidae. However, the specimens from wet season (March and May) and wet /dry season transition (July) that consumed mainly Grapsidae, Penaeidae and Porcellanidae were generalist. These seasonal changes in diet could be related to variations in food availability.
publisher	Instituto de Tecnologia do Paraná - Tecpar
publishDate	2009
url	http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000600014
work_keys_str_mv	AT monteirodijanepantoja feedingecologyofjuveniledogsnapperlutjanusjocublochandshneider1801lutjanidaeinintertidalmangrovecreeksincurucaestuarynorthernbrazil AT giarrizzotommaso feedingecologyofjuveniledogsnapperlutjanusjocublochandshneider1801lutjanidaeinintertidalmangrovecreeksincurucaestuarynorthernbrazil AT isaacvictoria feedingecologyofjuveniledogsnapperlutjanusjocublochandshneider1801lutjanidaeinintertidalmangrovecreeksincurucaestuarynorthernbrazil
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Feeding ecology of juvenile dog snapper Lutjanus jocu (Bloch and Shneider, 1801) (Lutjanidae) in intertidal mangrove creeks in Curuçá estuary (Northern Brazil)

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