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

Autor(es)

Lizandra Fernandes Miazaki ^[1] ; Ana Paula Freitas dos Santos ^[1] ; Dalilla da Silva Salvati ^[3] ; Fernanda Antunes Alves-Costa ^[3] ; Rogério Caetano da Costa ^[5]

Afiliação do(s) autor(es)

^[1] Univ Estadual Paulista UNESP, Lab Biol & Ecol Camaroes Marinhos & Agua Doce LAB, Fac Ciencias, Dept Ciencias Biol, Ave Engn Luiz Edmund Carrijo Coube 14-01, BR-17033360 Bauru, SP - Brazil

^[2] Universidade Estadual Paulista (UNESP). Departamento de Ciências Biológicas. Laboratório de Biologia e Ecologia de Camarões Marinhos e de Água Doce (LABCAM), Faculdade de Ciências - Brasil

^[3] Univ Paulista UNIP, Inst Ciencias Saude, Rua Luiz Levorato 2-140, BR-17048290 Bauru, SP - Brazil

^[4] Universidade Estadual Paulista (UNESP). Departamento de Ciências Biológicas. Laboratório de Biologia e Ecologia de Camarões Marinhos e de Água Doce (LABCAM), Faculdade de Ciências - Brasil

• Tipo de documento: Artigo Científico
• Fonte: Nauplius; v. 24, 2016-12-08.

Resumo

Abstract Xiphopenaeus kroyeri (Heller, 1862) is the third most common species caught by fishing 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. The 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 fish this species. Samples were caught monthly from four sampling stations in Cananéia between July 2012 and June 2014 using a fishing boat equipped with otter-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. The shrimp were weighed, quantified, and carapace length was measured (mm). In general, the highest total biomass values were recorded when the fishery 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 fishing is permitted and high biomass composed of large individuals was observed. The monthly biomass showed a positive relationship with sediment texture, because this species prefers very fine sediments to burrow as a defense against predators. (AU)

• Processo FAPESP: 10/50188-8 - Crustáceos decápodes: multidisciplinaridade na caracterização da biodiversidade marinha do estado de São Paulo (taxonomia, espermiotaxonomia, biologia molecular e dinâmica populacional) (Biodiversidade Marinha)
• Beneficiário: Fernando Luis Medina Mantelatto
• Modalidade de apoio: Auxílio à Pesquisa - Programa BIOTA - Temático
• Processo FAPESP: 15/15210-6 - Distribuição e dinâmica populacional de juvenis dos camarões-rosa Farfantepenaeus brasiliensis (Latreille, 1817) e F. paulensis (Pérez-Farfante, 1967) na região de Cananéia, extremo Sul do estado de São Paulo
• Beneficiário: Dalilla da Silva Salvati
• Modalidade de apoio: Bolsas no Brasil - Mestrado
• Processo FAPESP: 12/14874-0 - Dinâmica populacional do camarão sete-barbas Xiphopenaeus kroyeri (Heller, 1862) (Decapoda: Penaeidae) na região costeira de Cananéia, extremo Sul do Estado de São Paulo: subsídios científicos para adequação do período de defeso
• Beneficiário: Ana Paula Freitas dos Santos
• Modalidade de apoio: Bolsas no Brasil - Mestrado
• Processo FAPESP: 15/20382-0 - Dinâmica populacional do caranguejo Hepatus pudibundus (Herbst, 1785) (Crustacea, Decapoda: Aethridae) na região de Cananéia, extremo Sul do estado de São Paulo
• Beneficiário: Lizandra Fernandes Miazaki
• Modalidade de apoio: Bolsas no Brasil - Mestrado