Cryptic species and population structuring of the Atlantic and Pacific seabob shrimp species, Xiphopenaeus kroyeri and Xiphopenaeus riveti

Gusmão, Jaqueline; Lazoski, Cristiano; Monteiro, Fernando A.; Solé‐Cava, Antônio M.

doi:10.1007/s00227-005-0232-x

Cited by 37 publications

(38 citation statements)

References 31 publications

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“…Observou-se que, tanto para machos quanto para fêmeas (Figura 7 A, B GUSMÃO et al, 2006), as relações biométricas representam importantes ferramentas para o manejo do recurso, já que a obtenção de peso e comprimento total demandam muito tempo, equipamentos de alto custo e geram imprecisões para aplicação em monitoramentos de rotina da estrutura populacional. Dessa forma, o uso do comprimento da carapaça, que pode ser obtido rapidamente e com maior precisão, permite estimar medidas de biomassa necessárias para análises pesqueiras apuradas através das relações peso pelo comprimento e comprimento total pelo comprimento da carapaça.…”

Section: Variação Sazonal No Tamanho De Juvenis E Adultosunclassified

“…As informações existentes atestam a grande variabilidade genética (GUSMÃO et al, 2006;VOLOCH e SOLE-CAVA, 2005), na proporção entre machos e fêmeas e na periodicidade do recrutamento, as quais podem ocorrer entre duas áreas relativamente próximas entre si (MOTA-ALVES e RODRIGUES, 1977; NAKAGAKI e NEGREIROS- FRANSOZO, 1998;BRANCO, 2005;CASTRO et al, 2005). Essa variabilidade indica que o processo de gestão do recurso, que atualmente ocorre em grandes setores da costa brasileira, pode não atingir os objetivos de garantir a sua sustentabilidade e ressaltam a importância da realização de pesquisas regionais da pesca e biologia da espécie.…”

Section: Introductionunclassified

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Biologia reprodutiva do camarão sete-barbas no litoral centro sul e sul do Espírito Santo, Brasil

Martins¹,

Pinheiro²,

Júnior³

2013

Bol. Inst. Pesca

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RESUMOO tamanho de primeira maturação, ciclo reprodutivo e razão sexual do camarão sete-barbas Xiphopenaeus kroyeri foram estudados a partir de amostras mensais em duas áreas litorâneas do Estado do Espírito Santo, entre 2003 e 2004, visando subsidiar futuras medidas de manejo. As coletas foram feitas com redes de arrasto de fundo em pequenos barcos de pesca artesanais , entre 4 e 8 m de profundidade. Foram capturados 6.006 exemplares sendo 2.766 fêmeas, 3.182 machos e 58 de sexo indeterminado. As fêmeas foram significativamente maiores do que os machos. O comprimento médio de primeira maturação gonadal das fêmeas foi de 9,026 cm. As fêmeas adultas foram mais numerosas do que os machos entre dezembro e fevereiro, coincidindo com o pico de desova, enquanto que os machos adultos predominaram no trimestre subsequente. Essa alternância de proporções foi associada a migrações batimétricas reprodutivas das fêmeas. O ciclo anual de maturação gonadal, a abundância sazonal, variação dos tamanhos médios e a presença sazonal de juvenis sugerem a existência de desova contínua e recrutamento de dezembro a fevereiro e em julho e agosto. As dificuldades de se estabelecer um período de defeso adequado no estado indicam que o manejo do recurso deva receber maior atenção devido aos aspectos envolvidos, sejam sociais, biológicos ou ambientais.Palavras chave: Xiphopenaeus kroyeri; reprodução; recrutamento; defeso; razão sexual; pesca artesanal BIOLOGY OF THE SEA-BOB SHRIMP FROM THE ESPÍRITO SANTO COAST, BRASIL ABSTRACTThe size at first maturity, reproductive cycle, sex ratio and recruitment of the sea-bob shrimp Xiphopenaeus kroyeri were studied from monthly samples in two coastal areas of the Espírito Santo state between 2003 and 2004 in order to support sustainable management of this species. The samples were obtained with bottom trawls in small artisanal fishing boats from 4 to 8 m deep. A total of 6,006 specimens were captured being 2,766 females, 3,182 males and 58 of undetermined sex. Females were significantly bigger than males. The average length of first maturation of females was 9.026 cm. Adult females predominated over males between December and February, coinciding with the spawning peak, while males predominated in the subsequent quarter. This alternation of proportions was associated with bathymetric migrations of reproductive females. The annual gonadal maturation cycle, seasonal abundance and sizes and recruits suggest the existence of continuous spawning and recruitment in December-February and in July and August. The difficulties of establishing a closed season in proper condition indicated that the management of the resource should receive more attention because of the issues involved, whether social, biological or environmental.

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Section: Variação Sazonal No Tamanho De Juvenis E Adultosunclassified

Section: Introductionunclassified

Biologia reprodutiva do camarão sete-barbas no litoral centro sul e sul do Espírito Santo, Brasil

Martins¹,

Pinheiro²,

Júnior³

2013

Bol. Inst. Pesca

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“…The differences in salinity tolerance can also be associated to distinct genetic characteristics in these populations. Gusmão et al (2006) believe that the occurrence of two different species of Xiphopenaeus in Brazil is based on the high levels of molecular divergence among these species.…”

Section: Discussionmentioning

confidence: 99%

Annual, seasonal and spatial abundance of the seabob shrimp Xiphopenaeus kroyeri (Decapoda, Penaeidae) off the Southeastern coast of Brazil

Heckler¹,

Lopes²,

Simões

et al. 2014

An. Acad. Bras. Ciênc.

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We investigated the influence of environmental factors in spatial and temporal distribution of the seabob shrimp Xiphopenaeus kroyeri in Santos Bay and São Vicente Estuary, state of São Paulo, Brazil. Monthly samples were obtained, from May 2008 through April 2010, from four locations in the estuary and four in the bay. No individual was collected in the estuary and this was attributed to the low salinity means recorded in this environment. We collected 109,153 individuals in the bay and there was no difference in abundance between the two years comprised by the study period. The similarity in spatial distribution can be related to sediment grain size that in all sampling locations showed great amount of very fine sand. The largest amount of reproductive females was obtained in early 2010, when temperature was high, and this could have increased the juvenile recruitment in April 2010. According to our results, the distribution of X. kroyeri in the study area is influenced by temperature, which is related to reproduction, and salinity, limiting the entrance of individuals in the estuarine region.

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“…According to Gusmão et al (2006), who conducted a study using molecular biology tools, this species is distributed through the western Atlantic from the United States (Virginia) to Brazil (Amapá to Rio Grande do Sul). These shrimp are not dependent on estuaries for the development of their juveniles and their populations are not stratified, juveniles and adults commonly occur in the same area (Branco et al, 1999;Costa et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

Temporal variations in biomass and size of seabob shrimp Xiphopenaeus kroyeri (Heller, 1862) (Decapoda: Penaeoidea) on the southern coast of São Paulo state, Brazil

et al. 2016

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Xiphopenaeus kroyeri (Heller, 1862) is the third most common species caught by fi shing boats in the state of São Paulo, Brazil and production of this shrimp in the Cananéia region located on the southern coast of this state ranks second in the nation. Th e aim of this study was to investigate the temporal variation of the total biomass and size of X. kroyeri and analyze this variation against environmental factors in order to suggest some information about the best periods to fi sh this species. Samples were caught monthly from four sampling stations in Cananéia between July 2012 and June 2014 using a fi shing boat equipped with ott er-trawl nets. Temperature and salinity were monitored using a multiparameter probe, and sediment samples were also taken using a Van Veen-type gripper for particle size analysis. Th e shrimp were weighed, quantifi ed, and carapace length was measured (mm). In general, the highest total biomass values were recorded when the fi shery was closed in the southeast and south regions, and the highest catch of smaller individuals was also observed during this period. In contrast, in November 2013 the fi shing is permitt ed and high biomass composed of large individuals was observed. Th e monthly biomass showed a positive relationship with sediment texture, because this species prefers very fi ne sediments to burrow as a defense against predators. keY wordsAbundance, closed season, fi shery, Penaeidae, weight. Miazaki et al.2

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Cryptic species and population structuring of the Atlantic and Pacific seabob shrimp species, Xiphopenaeus kroyeri and Xiphopenaeus riveti

Cited by 37 publications

References 31 publications

Biologia reprodutiva do camarão sete-barbas no litoral centro sul e sul do Espírito Santo, Brasil

Biologia reprodutiva do camarão sete-barbas no litoral centro sul e sul do Espírito Santo, Brasil

Annual, seasonal and spatial abundance of the seabob shrimp Xiphopenaeus kroyeri (Decapoda, Penaeidae) off the Southeastern coast of Brazil

Temporal variations in biomass and size of seabob shrimp Xiphopenaeus kroyeri (Heller, 1862) (Decapoda: Penaeoidea) on the southern coast of São Paulo state, Brazil

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