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Characterization of juvenile and adult forms of pink shrimps Farfantepenaeus brasiliensis and F. paulensis (Decapoda: Penaeidae) by means of comparative morphology and molecular techniques

Grant number: 11/16268-7
Support type:Scholarships in Brazil - Master
Effective date (Start): August 01, 2012
Effective date (End): February 28, 2014
Field of knowledge:Biological Sciences - Zoology - Morphology of Recent Groups
Principal researcher:Rogério Caetano da Costa
Grantee:Sarah de Souza Alves Teodoro
Home Institution: Faculdade de Ciências (FC). Universidade Estadual Paulista (UNESP). Campus de Bauru. Bauru , SP, Brazil
Associated research grant:10/50188-8 - Decapod crustaceans: multi-disciplinary characterization of the sea biodiversity of the State of São Paulo (taxonomy, spermiotaxonomy, molecular biology and population dynamics), AP.BTA.TEM


In Brazil, Farfantepenaeus paulensis and F. brasiliensis are both known as pink shrimps. The greatest difficulty on identification of these species takes place mainly at juvenile stages, when secondary sexual characters are still taking form, and the only way to discern them is observing the dorsal sulcus of the sixth somite. As a consequence of incontinent growth of fishery activities in the past and of the increasing of little boats in estuarine regions and natural nurseries, there is a clear decreasing of shrimp stocks along of Brazilian Coast. In this way, for the present study we propose to verify, using molecular and morphometric techniques, the identity of the species of the pink shrimps Farfantepenaeus paulensis and F. brasiliensis. We intend to compare the population stocks of these species in three different localities along of Southeast region coast, in São Paulo State. Will be tested, by molecular techniques, if morphological parameters used on identification of the species F. brasiliensis and F. paulensis are effective. It will be investigated the existence (or not) of variability (genetic and population) on F. brasiliensis and F. paulensis stocks in the study region, using morphometric and molecular techniques. Another objective is to seek, by morphometry, the most consistent morphological characters for identification of juvenile and adult stages of both species and, if molecular techniques show differences on these stocks among the localities, use it to separate them by this technique.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
TEODORO, S. S. A.; TEROSSI, M.; COSTA, R. C.; MANTELATTO, F. L.. Genetic homogeneity in the commercial pink shrimp Farfantepenaeus paulensis revealed by COI barcoding gene. ESTUARINE COASTAL AND SHELF SCIENCE, v. 166, n. A, SI, p. 124-130, . (10/50188-8, 11/16268-7)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)

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