Population genetic structure of Brazilian shrimp species (Farfantepenaeus sp., F. brasiliensis, F. paulensis and Litopenaeus schmitti: Decapoda: Penaeidae)

Abstract

Penaeid shrimps are important resources for worldwide fisheries and aquaculture. In the Southwest Atlantic, Farfantepenaeus brasiliensis, F. paulensis, F. subtilis, Farfantepenaeus sp. and Litopenaeus schmitti are among the most important commercially exploited species. Despite their high commercial value, there is little information available on the different aspects of their biology or genetics and almost no data on their stock structure. We used allozymes to estimate variability levels and population genetic structure of F. brasiliensis, F. paulensis, L. schmitti and the recently detected species Farfantepenaeus sp. along as much as 4,000 km of Brazilian coastline. No population heterogeneity was detected in F. brasiliensis or L. schmitti along the studied area. In contrast, F ST values found for Farfantepenaeus sp. and F. paulensis indicate that the populations of those two species are genetically structured, comprising different fishery stocks. The largest genetic differences in F. paulensis were found between Lagoa dos Patos (South) and the two populations from Southeast Brazil. In Farfantepenaeus sp., significant differences were detected between the population from Recife and those from Fortaleza and Ilhéus.

Catch variability and growth of pink shrimp (Farfantepenaeus paulensis) in two coastal lagoons of uruguay and their relationship with ENSO events

“…These estimation parameters are limited by the fact that this coastal fishery acts in just a part of the entire life cycle. Nevertheless, we can assume that there would be a spawning stock near the Uruguayan lagoons as does GUSMÃO et al (2005). Given the coincidence of estimated growth parameters calculated for the lagoons with those obtained in marine populations (MELLO, 1973) for the State of São Paulo, it is possible to assume that individuals who migrate from coastal lagoons in autumn join the spawning stock of southern coast of Brazil.…”

Genetic homogeneity and historical expansions of the slipper lobster, Scyllarides brasiliensis, in the south-west Atlantic

“…with Lutjanus purpureus: Gomes et al 2012;Scomberomorus cavalla: Santa-Brígida et al 2007;Ocyurus chrysurus: Vasconcellos et al 2008; Farfantepenaeus brasiliensis and Litopenaeus schmitti: Gusmão et al 2005; Ucides cordatus: Oliveira-Neto et al 2007; Cardisoma guanhumi : Oliveira-Neto et al 2008).…”

Spatio-temporal variation of the pink shrimp Farfantepenaeus paulensis (Crustacea, Decapoda, Penaeidae) associated to the seasonal overture of the sandbar in a subtropical lagoon

“…The coast of Santa Catarina State is considered one of the two major congregation zones for F. paulensis in Brazilian coast. Recent work described the unique population genetic profile of the southern pink shrimp, describing a southern stock from Santa Catarina coast to Patos Lagoon (GUSMÃO et al, 2005).…”