Jo. Branco et Mj. Lunardonbranco, BIOLOGICAL ASPECTS OF CALLINECTES-ORNATUS ORDWAY, 1863 (DECAPODA, PORTUNIDAE) FROM THE MATINHOS REGION, PARANA STATE, BRAZIL, Arquivos de biologia e tecnologia, 36(3), 1993, pp. 489-496
Males and females of C. ornatus Ordway, 1863, were collected in the Ma
tinhos and Caioba region, on the coast of Parana State, from September
1991 to September 1992. Young specimens were more abundant than adult
s, having integrated the population from May to September. There is a
higher frequency of crabs in ecdysis in the summer and in the autumn.
Males usually present a wider amplitude of width and weight variation
than females, the cyclic fluctuations of the condition factor being in
terpreted as part of the species vital cycle.