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Relative growth and sexual maturity of the freshwater shrimp Palaemon pandaliformis (Crustacea, Palaemonidae) in northeastern of Brazil (Canavieiras, Bahia) Iheringia, Sér. Zool.
Paschoal,Lucas R. P.; Guimarães,Fernanda J.; Couto,Erminda C. G..
This study comprises the description of relative growth and sexual maturity of a population of Palaemon pandaliformis Stimpson, 1871 in Salsa River (Northeastern Brazil). Samples were collected monthly between September 2009 and August 2010. Females were larger, heavier, and showed a greater allometric coefficient (b) than male specimens. Only carapace length vs. pleura length in females presented a significant difference in the relative growth pattern, indicating a puberty moult. This relationship is strictly correlated to reproduction and its success rate in female shrimps. Estimated carapace length in 50% of mature females (CL50) was 4.53 mm. It was not possible to compare obtained CL50 results due to a lack of studies on this species. Comparison was...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Caridea; Allometric growth; Morphometric relationships.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212013000100004
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