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Registros recuperados: 3
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Natural diet and feeding habits of a freshwater prawn (Macrobrachium carcinus: Crustacea, Decapoda) in the estuary of the Amazon River Acta Amazonica
Lima,Jô de Farias; Garcia,Jamile da Silva; Silva,Thibério Carvalho da.
Macrobrachium carcinus is a Brazilian native prawn with recognized potential for use in aquaculture activities. However, there is little information about the natural diet and feeding habits of this species. The aim of this study was the identification of the diet items of M. carcinus based on the analysis of the stomach contents. Specimens were collected in the Amazon River estuary between January 2009 and January 2010. The stomach analysis was carried out by using the frequency of occurrence (FO), methods of points (MP) and feeding index (FI). It was observed that prawns fed on detritus, animals and plant fragments as the most important food items. Sediment accounted for the main stomach content, accounting for 43.2% by the MP, 44.9% by FI and 100% by...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Food; Stomach morphology; Pitu; Sand ingestion; Palaemonid.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672014000200009
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Reproductive aspects of Macrobrachium amazonicum (Decapoda: Palaemonidae) in the State of Amapá, Amazon River mouth Acta Amazonica
Lima,Jô de Farias; Silva,Luis Mauricio Abdon da; Silva,Thibério Carvalho da; Garcia,Jamile da Silva; Pereira,Ilana da Silva; Amaral,Karlia Dalla Santa.
Macrobrachium amazonicum is an indigenous prawn vastly distributed in basins of South America, widely exploited by artisanal fisheries in northern and northeastern Brazil and, with great potential for aquaculture. This study aimed to investigate general aspects of population structure and reproductive characteristics (size at first maturity, fecundity and reproductive output) of M. amazonicum from two important areas to artisanal prawn fishing located at the mouth of the Amazon River, State of Amapá. The specimens were captured using 20 handcrafted traps called "matapi". A number of 5,179 prawns were captured, 2,975 females and 2,195 males resulting in 1.35:1 female to male ratio. Santana Island and Mazagão Velho showed females predominated in the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Palaemonid eggs; First maturation; Fecundity; Morphometric relationships; Reproduction.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672014000200010
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Brachyuran crustaceans from the bycatch of prawn fisheries at the mouth of the Amazon river Acta Amazonica
Lima,Jô de Farias; Silva,Thibério Carvalho da; Silva,Luis Mauricio Abdon da; Garcia,Jamile da Silva.
The present paper is a pioneering study on the Brachyura bycatch associated with the artisan prawn fisheries at the mouth of the Amazon River. The study was conducted at four collection sites distributed along the mouth of the Amazon River between the months of January/2009 and January/2010. The animals were caught using handcrafted traps called "matapi", which are used by prawn fisherman in the region. Twenty matapis were used at each collection site. A total of 145 specimens were captured and six species were identified, all belonging to the Trichodactylidae family - Sylviocarcinus maldonadoensis, S. pictus, S. devillei, Valdivia serrata, Dilocarcinus septemdentatus and D. pagei. The most representative species, S. maldonadoensis, S. pictus and S....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Macrobrachium; Prawn fishing; Crustaceans; Amazon region; Trichodactylidae.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672013000100011
Registros recuperados: 3
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