Reproductive strategy of the shrimp Nematopalaemon schmitti (Decapoda, Caridea, Palaemonoidea) on the southeastern coast of Brazil

Pereira, Rafaela Torres; Almeida, Ariádine Cristine; Teixeira, Gustavo Monteiro; Bueno, Alessandra Angélica de Pádua; Fransozo, Adílson

doi:10.1590/2358-2936e2017003

Cited by 7 publications

(5 citation statements)

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“…In terms of reproductive strategy, several factors may explain this size distribution, as fecundity and investment per gamete are positively correlated with female size in many shrimp species, and this trait may be advantageous in maximizing fitness (Berglund, 1981;Nye & Copley, 2014). This was corroborated by Pereira et al (2017), who found a positive relationship between carapace length and the number of embryos in N. schmitti sampled outside (Ubatuba-São Paulo State) the Cabo Frio upwelling area. According to Wickler and Seibt (1981) and Bauer (2004), this size pattern is common in carideans in which the mating system is pure searching (promiscuous).…”

Section: F I G U R Ementioning

confidence: 84%

“…Shrimps are an important link between primary production and higher trophic levels (Kikuchi, 1966;Unsworth et al, 2007), and such information can assist in responsible planning for the conservation of species. Studies involving N. schmitti have been conducted in Brazil, including its ecological distribution (Almeida et al, 2012;Fransozo et al, 2009;Herrera et al, 2017), population structure (Almeida et al, 2011), fecundity and reproductive investment (Pereira et al, 2017) and relative growth and morphological sexual maturity (Herrera et al, 2018). Despite these studies, there is still a knowledge gap about assessing the reproductive parameters of species in a region with unusual features such as upwelling.…”

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confidence: 99%

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Effects of the upwelling system on the assessment of reproductive parameters of the caridean shrimp Nematopalaemonschmitti (Holthuis, 1950) in the Western Atlantic

2021

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Nematopalaemon schmitti (Holthuis, 1950) is a caridean shrimp of the Palaemonidae family (Rafinesque, 1815) (Martin & Davis, 2001), distributed on the marine and estuarine waters of the Western Atlantic Ocean in shallow areas to 75 m depth (Ferreira et al., 2010;Holthuis, 1980). This species plays an important trophic role in the structure of non-consolidated environments both as a carnivorous predator and as a prey item for higher trophic levels (Herrera et al., 2017;Marioghae, 1989). Furthermore, it constitutes part of the bycatch taken in penaeid shrimp fisheries of high economic interest in Brazil, for example, seabob shrimp Xiphopenaeus kroyeri (Heller, 1862) (Costa et al., 2016).In the marine environment, the upwelling regions are considered as the most productive areas in the ocean due to cold and rich nutrient waters (Smith, 1968). Most of the regions of coastal upwelling in the world are located on the east coast of oceans: in Peru, Ecuador, California, and Oregon on the Pacific Ocean and northwest Africa and southern Benguela on the Atlantic Ocean (Franchito et al., 2008). However, on the Brazilian coast, the most intense upwelling system occurs on the west coast of the Atlantic Ocean, at Cabo Frio (23ºS, 42ºW) in Rio de Janeiro state (RJ), which is responsible for a high degree of biological enrichment and crucial importance for the entire biological community and conse-

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Section: F I G U R Ementioning

confidence: 84%

mentioning

confidence: 99%

Effects of the upwelling system on the assessment of reproductive parameters of the caridean shrimp Nematopalaemonschmitti (Holthuis, 1950) in the Western Atlantic

2021

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“…Pereira et al. (2017) found that N. schmitti has continuous reproduction throughout the year. Thus, N. schmitti could promote recruitment all year‐round.…”

Section: Discussionmentioning

confidence: 99%

Evaluation of caridean ecological distribution in the Ubatuba region, southeastern Brazilian coast using unsupervised machine learning technique

et al. 2021

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Several human actions can directly or indirectly affect marine environments (O'Hara et al., 2019). Among the anthropic impacts, we highlight bottom-trawling fishery, which is considered one of the main sources of environment perturbation in marine ecosystems (Fransozo et al., 2016;Simpson & Watling, 2006). The northern coast of São Paulo State (Brazil) is highly important for shrimp fishery due to the high abundance of Penaeidean shrimps. Thus, the low selectivity of fishing devices captures several non-target species, known

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“…Knowledge of the reproductive biology of palaemonid prawns is an important tool to establish biodiversity conservation strategies (Mossolin & Bueno, 2002). Reproductive characteristics may vary according to individual intrinsic aspects, such as female size and age, as well as according to environmental conditions, and may influence fertility and recruitment (Sastry, 1983;Pereira et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

Relative growth and population dynamics of Macrobrachium iheringi (Decapoda, Palaemonidae)

et al. 2019

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During the ontogenetic development of crustaceans, the relative growth of some structures may change, especially during the transition from juvenile to adult. This study describes the relative growth of body structures of Macrobrachium iheringi, and provides information on its population dynamics, such as structure, fecundity, and morphological sexual maturity. The sampling of M. iheringi was carried out in “Ribeirão da Hortelã”, in Botucatu (SP, Brazil). The length of the carapace (CL), abdomen (AL), and ischium (IL), merus (ML), carpus (CrL), propodus (PpL), and dactyl (DcL) of the second right pereopod were measured. In addition, the width of the second abdominal pleura (PW) and propodus height (PpH) were included in analyses. The relationships that best demonstrated the changes in the allometric coefficient were CL vs PpL in males and females. The CL, in which males and females reach morphological sexual maturity, was estimated as 13.3 mm and 11.1 mm, respectively. The sex-ratio differed from the expected 1:1 and was skewed towards females. Precipitation and temperature influenced the abundance of different demographic classes. Macrobrachium iheringi has few but large eggs, which is expected since this species has an abbreviated larval development. Based on these results, we conclude that the propodus are good indicators of the size at onset of morphological sexual maturity. In addition, important information was obtained on the biology of M. iheringi, including its life cycle pattern, reproduction and influence of abiotic factors.

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Reproductive strategy of the shrimp Nematopalaemon schmitti (Decapoda, Caridea, Palaemonoidea) on the southeastern coast of Brazil

Abstract: BraZIlIan crustacean socIety This article is part of the special series offered by the Brazilian Crustacean Society in honor to Nilton José Hebling in recognition of his dedication and contributions to the development of carcinology in Brazil.

Cited by 7 publications

References 31 publications

Effects of the upwelling system on the assessment of reproductive parameters of the caridean shrimp Nematopalaemonschmitti (Holthuis, 1950) in the Western Atlantic

Effects of the upwelling system on the assessment of reproductive parameters of the caridean shrimp Nematopalaemonschmitti (Holthuis, 1950) in the Western Atlantic

Evaluation of caridean ecological distribution in the Ubatuba region, southeastern Brazilian coast using unsupervised machine learning technique

Relative growth and population dynamics of Macrobrachium iheringi (Decapoda, Palaemonidae)

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