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Taxonomic status of the genus Sotalia: Species level ranking for tucuxi (Sotalia fluviatilis) and costero (Sotalia guianensis) dolphins
(Blackwell Publishing, 2007-04-01)
Dolphins of the genus Sotalia are found along the Caribbean and Atlantic coasts of Central and South America and in the Amazon River and most of its tributaries. At present, the taxonomy of these dolphins remains unresolved. ...
Taxonomic status of the genus Sotalia: Species level ranking for tucuxi (Sotalia fluviatilis) and costero (Sotalia guianensis) dolphins
(Blackwell Publishing, 2007-04-01)
Dolphins of the genus Sotalia are found along the Caribbean and Atlantic coasts of Central and South America and in the Amazon River and most of its tributaries. At present, the taxonomy of these dolphins remains unresolved. ...
Fidelidade à área e padrão de associação em Sotalia guianensis, baseado na técnica de foto-identificação
(Universidade Federal do Rio Grande do NorteBRUFRNPrograma de Pós-Graduação em PsicobiologiaEstudos de Comportamento; Psicologia Fisiológica, 2006-10-30)
The behavioral patterns follow to environmental changes, including area fidelity and individuals association patterns. Several techniques are used to record these behavioral patterns and the photo-identification has been ...
Efficiency of wear and decalcification technique for estimating the age of estuarine dolphin Sotalia guianensis
(INDIAN ACAD SCIENCES, 2011)
Most techniques used for estimating the age of Sotalia guianensis (van B,n,den, 1864) (Cetacea; Delphinidae) are very expensive, and require sophisticated equipment for preparing histological sections of teeth. The objective ...
Sincronismo comportamental em Boto cinza(Sotalia guianensis)
(Universidade Federal do Rio Grande do NorteBRUFRNPrograma de Pós-Graduação em PsicobiologiaEstudos de Comportamento; Psicologia Fisiológica, 2007-09-28)
Synchronism is the efetivation of the same behavior at the same time by two or more individuals. In cetology only from 2000 we verify an increasing of efforts for studies of synchronic behaviors. The synchronism in cetaceans ...
Cuidado ao filhote de boto cinza, Sotalia guianensis (van Benédén, 1864)
(Universidade Federal do Rio Grande do NorteBRUFRNPrograma de Pós-Graduação em PsicobiologiaEstudos de Comportamento; Psicologia Fisiológica, 2006-10-30)
In some species parental care is vital to survival. Many studies have reported various parental care behaviours in cetaceans. In Sotalia guianensis, some behaviours have been already described and linked to parental care. ...
Social organization of marine Tucuxi dolphins, Sotalia guianensis, in the Cananeia Estuary of southeastern Brazil
(Alliance Communications Group Division Allen Press, 2008-04-01)
Social organization is an important component of the population biology of a species that influences gene flow, the spatial pattern and scale of movements, and the effects of predation or exploitation by humans. An important ...
Skin diseases in Guiana dolphins (Sotalia guianensis) from the Paranagua estuary, Brazil: A possible indicator of a compromised marine environment
(Elsevier B.V., 2009-03-01)
We report on the presence of lobomycosis-like disease (LLD) and nodular skin disease (NSD) in a community of Guiana dolphins (Sotalia guianensis) inhabiting the biologically and chemically contaminated Paranagua estuary ...
Skin diseases in Guiana dolphins (Sotalia guianensis) from the Paranagua estuary, Brazil: A possible indicator of a compromised marine environment
(Elsevier B.V., 2009-03-01)
We report on the presence of lobomycosis-like disease (LLD) and nodular skin disease (NSD) in a community of Guiana dolphins (Sotalia guianensis) inhabiting the biologically and chemically contaminated Paranagua estuary ...