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Feeding activity of Callinectes ornatus Ordway, 1863 and Callinectes danae Smith, 1869 (Crustacea, Brachyura, Portunidae) in Ubatuba, SP, Brazil
(2001-04-15)
The feeding activity along the day cycle and the time consumed for extracellular digestion were evaluated in the portunids C. ornatus and C. danae. Swimming crabs were obtained from trawling in Ubatuba bay, São Paulo, ...
Diel activity rhythm in Callinectes ornatus Ordway, 1863 and Callinectes danae Smith, 1869 (brachyura, portunidae) under laboratory conditions
(Kluwer Academic/plenum Publ, 2002-01-01)
The locomotory and feeding activity rhythms of Callinectes ornatus Ordway, 1863 and Callinectes danae Smith, 1869 were examined under laboratory conditions. Light significantly influenced the activity of these organisms. ...