R. C. Costa

Publications120
h-index19
Citations1,230
Highly Influential Citations65
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Population structure of the seabob shrimp Xiphopenaeus kroyeri (Heller, 1862) (Crustacea: Penaeoidea) in the littoral of São Paulo, Brazil
TLDR
The species showed an important variation from the typical life cycle that it is assumed to hold over its entire range and should be classified as having a life cycle different from that proposed previously in the literature, i.e. the juveniles prefer inshore areas instead of estuaries.
Relative growth, morphological sexual maturity, and size of Macrobrachium amazonicum (Heller 1862) (Crustacea, Decapoda, Palaemonidae) in a population with an entirely freshwater life cycle
TLDR
The objective of this study was to estimate the size of morphological sexual maturity based on the study of relative growth, and to determine if there are different morphotypes of males in a population of Macrobrachium amazonicum with an entirely freshwater life cycle.
LATITUDINAL VARIATION IN POPULATION STRUCTURE AND REPRODUCTIVE PATTERN OF THE ENDEMIC SOUTH AMERICAN SHRIMP ARTEMESIA LONGINARIS (DECAPODA: PENAEOIDEA)
TLDR
The trend of increasing body size and delay of sexual maturity with increasing latitude appears to be correlated with the decreasing water temperature and increasing plankton productivity at higher latitudes.
The relationship between environmental variation and species abundance in shrimp community (Crustacea: Decapoda: Penaeoidea) in south-eastern Brazil
TLDR
The low overall association between environmental parameters and shrimp abundance patterns indicates that each studied species might have responded idiosyncratically to environmental variation, such that a general community-level response was not apparent.
Population dynamics of the seabob shrimp Xiphopenaeus kroyeri (Dendrobranchiata, Penaeidae) in south-eastern Brazil
The population dynamics, including the sex ratio, reproductive period, individual growth and longevity, and population structure of the shrimp Xiphopenaeus kroyeri, are described. The shrimps were…
Population biology of shrimp Artemesia longinaris (Crustacea: Decapoda: Penaeidae) from the southern coast of Brazil
TLDR
The classical paradigm of continuous reproduction at lower latitude, with increased seasonality of the breeding period at higher latitudes, seems to apply to this species.
Ecological distribution of the shrimp Litopenaeus schmitti (Burkenroad, 1936) (Decapoda, Penaeoidea) in Ubatuba Bay, São Paulo, Brazil
TLDR
The shrimp L. schmitti uses both the estuarine as well the shore environment, particularly the Ubatuba estuary and its adjacent bay, to complete its life cycle and the proposed period of fisheries closure coincides with individuals capable of reproduction entering the inlet and thus is being protected.
Composition and abundance of shrimp species (penaeidea and caridea) in Fortaleza Bay, Ubatuba, São Paulo, Brazil
TLDR
The abundance and spatio-temporal distribution of the caridean and penaeid fauna from Fortaleza Bay, Ubatuba, Sao Paulo, Brazil, were analyzed to determine the presence and abundance of shrimp species in the area.
Abundance and ecologic distribution of the shrimp Rimapenaeus constrictus (Crustacea: Penaeidae) on the northern coast of São Paulo State, Brazil
TLDR
Sediment type and temperature are the most important variables affecting the spatial and seasonal distribution of this species, and a more diversified sediment at UBM and UBA apparently favours the establishment of this shrimp in the region.
SEX RATIO, GROWTH AND RECRUITMENT OF THE PELAGIC SHRIMP ACETES AMERICANUS ON THE SOUTHEASTERN COAST OF BRAZIL
TLDR
The finding that males of A. americanus have higher values of k and therefore achieve a smaller size relative to females has been observed in other penaeids and is concluded that this differential growth pattern between the sexes is found across Dendrobranchiata.
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