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Biological aspects of the nonindigenous portunid crab Charybdis hellerii in the western tropical South Atlantic
The species of Indo-West Pacific origin, Charybdis hellerii, was recently introduced to the Brazilian fauna. The size of individuals, sex-ratio, sexual maturity, molting and spawning period of thisExpand
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Morphometry and sexual maturity of the tropical hermit crab Calcinus tibicen (Crustacea, Anomura) from Brazil
Ontogenetic changes in relative growth were studied in the hermit crab Calcinus tibicen in order to determine its growth phases with sexual maturity. Specimens were collected at 2-month intervals forExpand
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Shell selection by the tropical hermit crab Calcinus tibicen (Herbst, 1791) (Anomura, Diogenidae) from Southern Brazil
Abstract Shell preferences, as shown by laboratory choice experiments, are important determinants of shell utilization under natural conditions. Size and shell species preferences of the hermit crabExpand
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Population dynamics of the hermit crab Paguristes erythrops (Diogenidae) from Anchieta Island, southern Brazil
The population of Paguristes erythrops (Crustacea: Anomura) was studied based on seasonal abundance, size-frequency distribution, sex ratio and reproductive period (percentage of ovigerous females).Expand
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Biological aspects of Mithraculus forceps (Brachyura: Mithracidae) from Anchieta Island, Ubatuba, Brazil
The population structure of Mithraculus forceps sampled monthly on Anchieta Island from January 1999 to December 2000 was studied. A total of 68 individuals were collected by SCUBA diving. TheExpand
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Reproductive Potential of the Hermit Crab Calcinus Tibicen (Anomura) From Ubatuba, Sao Paulo, Brazil
The purpose of this study was to determine egg production by Calcinus tibicen, as well as the influence of shell type on fecundity using morphometric relationships. Ovigerous females were collectedExpand
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Reproductive Potential of the Hermit Crab Calcinus tibicen (Anomura) from Ubatuba, São Paulo, Brazil@@@Reproductive Potential of the Hermit Crab Calcinus tibicen (Anomura) from Ubatuba, Sao Paulo,
ABSTRACT The purpose of this study was to determine egg production by Culcinus tibicen, as well as the influence of shell type on fecundity using morphometric relationships. Ovigerous females wereExpand
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On a record of Dardanus venosus (H. Milne Edwards) (Crustacea, Anomura) from the São Paulo State, Brazil
The present work is the first report of Dardanus venosus (H. Milne Edwards, 1848) in Sao Paulo State and extends the range of this species in the western Atlantic farther to the south in theExpand
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