Population structure and reproductive period of whitebelly prawn<i>Nematopalaemon schmitti</i>(Holthuis 1950) (Decapoda: Caridea: Palaemonidae) on the southeastern coast of Brazil

Almeida, Ariádine Cristine; Fransozo, Vívian; Teixeira, Gustavo Monteiro; Furlan, Michele; Hiroki, Kátia Aparecida Nunes; Fransozo, Adílson

doi:10.1080/07924259.2010.548641

Cited by 19 publications

(21 citation statements)

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“…The occurrence of recruitment and reproduction pulses in the natural populations reflects bimodal and polymodal distributions (Castilho et al , 2007b; Almeida et al , 2011), as found in the present results. Previous studies have shown similar results: for X. kroyeri by Castro et al (2005), Fernandes et al (2011) and Heckler et al (2013b); and for another penaeid, Artemesia longinaris Spence Bate, 1888 by Castilho et al (2007b).…”

Section: Discussionsupporting

confidence: 86%

Growth and population structure of the seabob shrimp Xiphopenaeus kroyeri (Decapoda: Penaeidae) on the continental shelf of Sergipe, Brazil

et al. 2018

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This study evaluated the population structure, growth and longevity of Xiphopenaeus kroyeri in the State of Sergipe. The obtained data were compared with other populations on a latitudinal scale in order to evaluate whether the latitudinal paradigm applies to this species. Shrimp sampling took place monthly from September 2013 to August 2014, in nine stations distributed at 5, 15 and 30 m depths, using a shrimp fishery boat equipped with a ‘double rig’ net. Sexual maturity was estimated by the logistic function y = a/(1 + b*exp(-cx)), and the sex ratio was analysed with the Chi-square test. The individual growth rate was estimated using the von Bertalanffy model, and the longevity was estimated by the inverse form of this formula. A total of 6418 (3457 females and 2961 males) was analysed. The size at onset of sexual maturity was 12 mm of carapace length (CL) for males and 12.5 mm CL for females. The total sex ratio did not differ from the expected (1:1). Males exhibited higher growth coefficients (k) and smaller asymptotic growth (CC∞ = 28.74 mm, k = 0.0081 day−1) than females (CC∞ = 30.79 mm, k = 0.0058 day−1). The estimated longevity (years) was 1.55 for males and 2.15 for females. No evident latitudinal pattern was observed regarding the size at onset of sexual maturity or the growth parameters for X. kroyeri. The information found, besides contributing to the knowledge about the biology of this shrimp, can also clarify hypotheses presented in relation to the latitudinal paradigm along the Brazilian coast.

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Section: Discussionsupporting

confidence: 86%

Growth and population structure of the seabob shrimp Xiphopenaeus kroyeri (Decapoda: Penaeidae) on the continental shelf of Sergipe, Brazil

et al. 2018

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“…xiphi (Guerao et al, 1994), M. rosenbergii (Cavalli et al, 2001), P. muelleri (Díaz et al, 2003), M. iheringi (Fransozo et al, 2004) y Nematopalaemon schmitti (Almeida et al, 2011). Sin embargo, el desove con esta condición del ovario (estado III) ocasionó menor tamaño de la masa embrionaria, lo cual es necesario tener en cuenta para trabajos relacionados con la fecundidad y el rendimiento reproductivo de la especie, toda vez que ello podría significar que hubo pérdida de huevos durante la incubación.…”

Section: Discussionunclassified

Interrelación del ciclo de muda, el ciclo ovárico y el desarrollo embrionario en hembras de Cryphiops caementarius Molina 1782 (Crustacea, Palaemonidae)

Avalos

2014

Intropica

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El objetivo del presente estudio fue determinar la interrelación del ciclo de muda, ciclo ovárico y desarrollo embrionario en hembras del camarón de río Cryphiops caementarius. Se emplearon 45 hembras ovígeras de 43 mm de longitud total, y se evaluaron los estados del ciclo de muda, los estados del ovario y los estadios del desarrollo embrionario durante dos ciclos reproductivos sucesivos en el período de baja reproducción (abril – agosto 2010). Los resultados muestran que en todas las hembras ovígeras con ovarios maduros y en aquellas (50 %) con maduración intermedia, hubo interrelación entre el desarrollo embrionario, la maduración ovárica y el ciclo de muda. En cambio, en todas las hembras ovígeras con ovarios inmaduros y en aquellas (50 %) con maduración intermedia, sólo hubo interrelación entre el desarrollo embrionario y el ciclo de muda que culminó con su actual ciclo reproductivo.

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“…Studies highlighting the use of different areas during the animal´s life cycle, suggest that environmental variables, especially temperature, influence the habitat selection of several caridean shrimp species: Crangon crangon (Linnaeus, 1758) (Spaargaren, 2000;Siegel et al, 2005), Palaemon adspersus Rathke, 1837 (Bilgin et al, 2008), Palaemon elegans Rathke, 1837 (Janas & Spicer, 2008), and N. schmitti (see Almeida et al, 2011). The increase in abundance of E. oplophoroides occurred in spring, coinciding with a decrease in temperature (Fig.…”

Section: Discussionmentioning

confidence: 99%

Ecological distribution of Nematopalaemon schmitti and Exhippolysmata oplophoroides (Crustacea: Caridea) near an upwelling area off southeastern Brazil

Herrera

Pescinelli

Costa

2017

lajar

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ABSTRACT.Regions affected by upwelling show environmental characteristics that may change the distribution of the species. This study evaluated the influence of environmental factors on the spatiotemporal distribution of two caridean shrimps, Nematopalaemon schmitti and Exhippolysmata oplophoroides, in a region of the Brazilian coast affected by Cabo Frio upwelling. Shrimps were collected monthly from July 2010 through June 2011 off Macaé off the northern coast of Rio de Janeiro State, at six locations: three at 5 m, and the other three at 15 m depth. Shrimp abundance was compared among seasons and sampling sites. Nematopalaemon schmitti (n = 1200) was more abundant at 5 m depth while E. oplophoroides (n = 2176) occurred predominately at 15 m. There were significant seasonal fluctuations in the distribution of the species in the region, resulting from variation in bottom temperature. The presence of the South Atlantic Central Water (SACW) favors the decrease in the abundance of N. schmitti and highest abundance of E. oplophoroides. The abundance of E. oplophoroides and the percentage of organic matter were significantly and positively correlated. The organic matter content in the sediment and water temperature was among the most important variables affecting seasonal distribution of the species. The distinct environmental characteristic between the bathymetric regions were a determinant factor in their spatial distribution.

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Population structure and reproductive period of whitebelly prawnNematopalaemon schmitti(Holthuis 1950) (Decapoda: Caridea: Palaemonidae) on the southeastern coast of Brazil

Cited by 19 publications

References 50 publications

Growth and population structure of the seabob shrimp Xiphopenaeus kroyeri (Decapoda: Penaeidae) on the continental shelf of Sergipe, Brazil

Growth and population structure of the seabob shrimp Xiphopenaeus kroyeri (Decapoda: Penaeidae) on the continental shelf of Sergipe, Brazil

Interrelación del ciclo de muda, el ciclo ovárico y el desarrollo embrionario en hembras de Cryphiops caementarius Molina 1782 (Crustacea, Palaemonidae)

Ecological distribution of Nematopalaemon schmitti and Exhippolysmata oplophoroides (Crustacea: Caridea) near an upwelling area off southeastern Brazil

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