Feeding habits of Macrodon ancylodon (Actinopterygii, Sciaenidae) in northeast, Brazil

The feeding habits of Macrodon ancylodon were studied based on 280 specimens from the Maranhão coast, northeast Brazil. The diet showed a predominance of fishes, crustaceans and occasionally cephalopods. The diets of males and females were similar and difference was found in the proportion of prey i...

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Autores principales: Bezerra Figueiredo,Marina, Carvalho Neta,Raimunda Nonata Fortes, Silva Nunes,Jorge Luiz, da Silva de Almeida,Zafira
Lenguaje:English
Publicado: Universidad de Valparaíso. Facultad de Ciencias del Mar 2014
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Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-19572014000300012
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spelling oai:scielo:S0718-195720140003000122015-01-14Feeding habits of Macrodon ancylodon (Actinopterygii, Sciaenidae) in northeast, BrazilBezerra Figueiredo,MarinaCarvalho Neta,Raimunda Nonata FortesSilva Nunes,Jorge Luizda Silva de Almeida,Zafira Weakfish diet stomach contents cannibalism Maranhão The feeding habits of Macrodon ancylodon were studied based on 280 specimens from the Maranhão coast, northeast Brazil. The diet showed a predominance of fishes, crustaceans and occasionally cephalopods. The diets of males and females were similar and difference was found in the proportion of prey items among juveniles, sub adults, and adults (P > 0.05). During rainy season the prey items were more diverse than dry season. In the dry season M. ancylodon feeds more Penaeidae (Penaeus sp. and Penaeus schmitti), Callinectes sp. and Engraulidae (Cetengraulis sp.). An increase of food spectrum was observed in rainy season, preyed upon 5 species of fish (Anchovia clupeoides, Cetengraulis edentulus, Macrodon ancylodon, Mugil curema and Sardinella brasiliensis), 3 species of Crustacea (Penaeus sp., Penaeus schmitti, Parapenaeus politus, and Callinectes sp.) and 2 Cephalopoda (Loligo sp. and Loligo plei). Differences in the ingestion of prey items were found during the year, where in the rainy season this species presented larger stomach contents. Cannibalism was encountered more intensively for mature fish.info:eu-repo/semantics/openAccessUniversidad de Valparaíso. Facultad de Ciencias del MarRevista de biología marina y oceanografía v.49 n.3 20142014-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-19572014000300012en10.4067/S0718-19572014000300012
institution Scielo Chile
collection Scielo Chile
language English
topic Weakfish
diet
stomach contents
cannibalism
Maranhão
spellingShingle Weakfish
diet
stomach contents
cannibalism
Maranhão
Bezerra Figueiredo,Marina
Carvalho Neta,Raimunda Nonata Fortes
Silva Nunes,Jorge Luiz
da Silva de Almeida,Zafira
Feeding habits of Macrodon ancylodon (Actinopterygii, Sciaenidae) in northeast, Brazil
description The feeding habits of Macrodon ancylodon were studied based on 280 specimens from the Maranhão coast, northeast Brazil. The diet showed a predominance of fishes, crustaceans and occasionally cephalopods. The diets of males and females were similar and difference was found in the proportion of prey items among juveniles, sub adults, and adults (P > 0.05). During rainy season the prey items were more diverse than dry season. In the dry season M. ancylodon feeds more Penaeidae (Penaeus sp. and Penaeus schmitti), Callinectes sp. and Engraulidae (Cetengraulis sp.). An increase of food spectrum was observed in rainy season, preyed upon 5 species of fish (Anchovia clupeoides, Cetengraulis edentulus, Macrodon ancylodon, Mugil curema and Sardinella brasiliensis), 3 species of Crustacea (Penaeus sp., Penaeus schmitti, Parapenaeus politus, and Callinectes sp.) and 2 Cephalopoda (Loligo sp. and Loligo plei). Differences in the ingestion of prey items were found during the year, where in the rainy season this species presented larger stomach contents. Cannibalism was encountered more intensively for mature fish.
author Bezerra Figueiredo,Marina
Carvalho Neta,Raimunda Nonata Fortes
Silva Nunes,Jorge Luiz
da Silva de Almeida,Zafira
author_facet Bezerra Figueiredo,Marina
Carvalho Neta,Raimunda Nonata Fortes
Silva Nunes,Jorge Luiz
da Silva de Almeida,Zafira
author_sort Bezerra Figueiredo,Marina
title Feeding habits of Macrodon ancylodon (Actinopterygii, Sciaenidae) in northeast, Brazil
title_short Feeding habits of Macrodon ancylodon (Actinopterygii, Sciaenidae) in northeast, Brazil
title_full Feeding habits of Macrodon ancylodon (Actinopterygii, Sciaenidae) in northeast, Brazil
title_fullStr Feeding habits of Macrodon ancylodon (Actinopterygii, Sciaenidae) in northeast, Brazil
title_full_unstemmed Feeding habits of Macrodon ancylodon (Actinopterygii, Sciaenidae) in northeast, Brazil
title_sort feeding habits of macrodon ancylodon (actinopterygii, sciaenidae) in northeast, brazil
publisher Universidad de Valparaíso. Facultad de Ciencias del Mar
publishDate 2014
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-19572014000300012
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