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Foregut morphology of Macrobrachium carcinus (Crustacea, Decapoda, Palaemonidae) Acta Amazonica
LIMA,Jô de Farias; GARCIA,Jamile da Silva; TAVARES,Marcos.
ABSTRACT Macrobrachium carcinus is a Brazilian native prawn with recognized potential for use in aquaculture activities. The aim of this study was to describe and illustrate in detail the morphology of the M. carcinus foregut. The foregut comprises the mouth, esophagus and stomach. It is lined by a simple cylindrical epithelium overlain by chitinous cuticle. The cardiac chamber is well supplied with muscles and lined with chitin thickened in places to form a complex, articulating set of ossicles. The ossicles and setae inside the cardiac chamber seem to direct the food movement through the cardiac chamber and sort the food according to particle size as digestion takes place. Twenty-one basic ossicles were observed in the stomach ofM. carcinus and are...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Freshwater prawn; Aquaculture; Digestive system; Feeding management.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672016000200209
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