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A comparison of the allometric growth in Uca leptodactyla (Crustacea: Brachyura: Ocypodidae) from two subtropical estuaries

Published online by Cambridge University Press:  12 August 2004

Rosana Carina Flores Cardoso
Affiliation:
NEBECC (Group of Studies on Crustacean Biology, Ecology and Culture), Departamento de Zoologia–IBB–C.P. 510–UNESP18618-000, Botucatu, SP, Brasil
Maria Lucia Negreiros-Fransozo
Affiliation:
NEBECC (Group of Studies on Crustacean Biology, Ecology and Culture), Departamento de Zoologia–IBB–C.P. 510–UNESP18618-000, Botucatu, SP, Brasil

Abstract

The allometric growth of Uca leptodactyla from two distinct subtropical estuaries on the Brazilian coast was evaluated concerning its growth pattern and size at onset of sexual maturity. Females attained maturity at similar sizes in both sites (4·1 mm of carapace length in Indaiá and 4·2 mm in Ubatumirim), while males differed slightly. They reached the size at sexual maturity of 5·3 mm of carapace length in Indaiá and 4·6 mm in Ubatumirim. Growth pattern is usually similar among crabs from distinct sites while size at sexual maturity is frequently different. However, in the case of U. leptodactyla it did not occur, probably due to the strong habitat similarity and intrinsic features of this species.

Type
Research Article
Copyright
2004 Marine Biological Association of the United Kingdom

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