Age and growth of the estuarine dolphin on the Parana coast, southern Brazil - Sotalia guianensis - Cetacea, Delphinidae

Fishery Bulletin, April, 2003 by Fernando Cesar Weber Rosas, Andre Silva Barreto, Emygdio Leite de Araujo Monteiro-Filho

Molina, D. M., and J. A. Oporto. 1993. Comparative study of dentine staining techniques to estimate age in the Chilean Dolphin, Cephalorhynchus eutropia (Gray, 1846). Aquat. Mamm. 19 (1):45-48.

Monteiro-Filho, E. L. A., L. R. Monteiro, and S. F. dos Reis. 2002. Skull shape and size divergence in the dolphins of the genus Sotalia: a tridimensional morphometric analysis. J. Mamm. 83 (1):125-134.

Norris, K. S. 1961. Standardized methods for measuring and recording data on the smaller cetaceans. J. Mamm. 42 (4):471-476.

Perrin, W. F., J. M. Coe, and J. R. Zweifel. 1976. Growth and reproduction of the spotted porpoise, Stenella attenuata, in the offshore eastern tropical Pacific. Fish. Bull. 74(2):229-269.

Pinedo, M. C., and A. A. Hohn. 2000. Growth layer patterns in teeth from the franciscana, Pontoporia blainvillei: developing a model for precision in age estimation. Mar. Mamm. Sci. 16 (1):1-27.

Ramos, R. M. A. 1997. Determinacao de idade e biologia reprodutiva de Pontoporia blainvillei e da forma marinha de Sotalia fluviatilis (Cetacea:Pontoporiidae e Delphinidae) no norte do Rio de Janeiro. M.Sc. thesis, 95 p. Universidade Estadual do Norte Fluminense. Campos dos Goytacazes, Rio de Janeiro, Brasil.

Ramos, R. M. A., A. P. M. Di Beneditto, and N. R. W. Lima. 2000. Growth parameters of Pontoporia blainvillei and Sotalia fluviatilis (Cetacea) in northern Rio de Janeiro, Brazil. Aquat. Mamm. 26 (1):65-75.

Rosas, F. C. W. 2000. Interacoes coma pesca, mortalidade, idade, reproducao e crescimento de Sotalia guianensis e Pontoporia blainvillei (Cetacea, Delphinidae e Pontoporiidae) no litoral sul do Estado de Sao Paulo e litoral do Estado do Parana, Brasil. Ph.D. diss., 145 p. Universidade Federal do Parana. Curitiba, PR, Brasil.

Rosas, F. C. W., and E. L. A. Monteiro-Filho. 2002. Reproduction of the estuarine dolphin (Sotalia guianensis) on the coast of Parana, southern Brazil. J. Mamm. 83(2):507-515.

Santos, E. P. 1978. Dinamica de populacoes aplicada a pesca e piscicultura, 129 p. Editora de Humanismo, Ciencia e Tecnologia "HUCITEC" Ltda, Sao Paulo.

Scheffer, V. B., and A. C. Myrick. 1980. A review of studies to 1970 of growth layers in the teeth of marine mammals. In Age determination of toothed whales and sirenians (W. F. Perrin and A. C. Myrick, ods.), p. 51-63. Rep. Int. Whal. Comm., Special Issue 3.

Schmiegelow, J. M. M. 1990. Estudo sobre cetaceos odontocetes encontrados em praias da regiao entre Iguape (SP) e Baia de Paranagua (PR) (24[degrees]42'S-25[degrees]28'S) com especial referencia a Sotalia fluviatilis (Gervais, 1853) (Delphinidae). M.Sc. thesis, 149 p. Universidade de Sao Paulo, Instituto Oceanografico, Sao Paulo.

Schnute, J. 1981. A versatile growth model with statistically stable parameters. Can. J. Fish. Aquat. Sci. 38:1128-1140.

Watson, L. 1988. Whales of the world. A handbook and field guide to all the living species of whales, dolphins and porpoises, 302 p. Hutchinson, London.

Manuscript accepted 28 December 2002.

Manuscript received 31 December 2002 at NMFS Scientific Publications Office.


 

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