2018
DOI: 10.1590/0001-3765201820170275
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Abstract: Macrobrachium amazonicum is a commercially important freshwater prawn with a high degree of reproductive plasticity. The species is classified into two groups: coastal populations, with larger individuals exhibiting high fecundity and needing brackish water for larval development; and continental populations, with smaller specimens exhibiting low fecundities and completing metamorphosis in freshwater. The objective of this study was to investigate the influence of environmental factors in the fecundity, egg si… Show more

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Cited by 16 publications
(8 citation statements)
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“…This is likely facilitated by its wide morphological and ecological plasticity (Vergamini et al, 2011). The reproductive period of freshwater decapods is usually associated with rainfall and variation in temperature and photoperiod (Pinheiro and Hebling, 1998), and/or with the hydrological properties of each environment (Pantaleão et al, 2018).…”
Section: Discussionmentioning
confidence: 99%
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“…This is likely facilitated by its wide morphological and ecological plasticity (Vergamini et al, 2011). The reproductive period of freshwater decapods is usually associated with rainfall and variation in temperature and photoperiod (Pinheiro and Hebling, 1998), and/or with the hydrological properties of each environment (Pantaleão et al, 2018).…”
Section: Discussionmentioning
confidence: 99%
“…The sampling effort was of one person who dragged the sieve at 180°, three times, around 09:00 h am. In addition, "covo" traps (similar to a "Matapi", but made of plastic material -see Pantaleão et al, 2018 for details of the trap) were baited with grinded corn and placed in the river margin for 6 hours (09:00 -15:00 h). The prawns were stored in glass containers, cooled, and preserved in 70% ethanol.…”
Section: Biological Materialsmentioning
confidence: 99%
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“…The two-way ANOVA results for length of the freshwater prawn Macrobrachium amazonicum of resources for the prawns. In this case, the availability of nutrients and other local factors may determine reproductive parameters (Pantaleão, Carvalho-Batista, Teodoro, & Costa, 2018).…”
Section: Ta B L Ementioning
confidence: 99%
“…Entre as espécies de decápodes de água doce do Brasil importantes ecológica e economicamente (Magalhães, 1999;Almeida et al, 2008;Cavalcante et al, 2012), o M. amazonicum é o de maior importância econômica no norte e nordeste, sendo amplamente pescado e consumido nestas regiões (Moraes-Riodades & Valenti, 2001Marques & Moraes-Valenti, 2012). A espécie apresenta um grande potencial para a aquicultura, pois apresenta características altamente favoráveis ao cultivo em cativeiros, pois trata-se de uma espécie nativa (Moraes-Valenti & Valenti, 2010) que apresenta crescimento rápido, resistência a doenças, alta taxa de sobrevivência, fácil manutenção (Marques & Moraes-Valenti, 2012), reprodução continua ao longo de todas as estações do ano (Sampaio et al, 2007;Pantaleão et al, 2018) e a possibilidade de produção de larvas em salinidades de apenas Introdução________________________________________________________________20 1 ‰S, permitindo a sua produção em regiões interioranas próximas das fazendas de engorda (Araujo & Valenti, 2010). Tais características têm intensificado os esforços para o uso desta espécie em cultivos artesanais em diferentes regiões do país.…”
Section: Lista De Figurasunclassified