Results 21 to 30 of about 3,049 (188)

Crescimento e desenvolvimento de boto-cinza (Sotalia guianensis) do litoral do Espírito Santo

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2012
Estudou-se o desenvolvimento do boto-cinza (Sotalia guianensis) do litoral do Espírito Santo e verificou-se se a análise das radiografias da aleta peitoral pode ser utilizada para tal.
A.P.M. Carvalho   +7 more
doaj   +1 more source

Initial Evidence for Adaptive Selection on the NADH Subunit Two of Freshwater Dolphins by Analyses of Mitochondrial Genomes. [PDF]

open access: yesPLoS ONE, 2015
A small number of cetaceans have adapted to an entirely freshwater environment, having colonized rivers in Asia and South America from an ancestral origin in the marine environment. This includes the 'river dolphins', early divergence from the odontocete
Susana Caballero   +4 more
doaj   +1 more source

Epidemiological characteristics of skin disorders in cetaceans from South American waters [PDF]

open access: yes, 2015
We document the macroscopic phenotypic characteristics (relative size, location, pattern, colour, extension), prevalence and evolution of five types of skin disorders of unknown aetiology, including ‘green-brown plaques’ (GBP), ‘orange patches’ (OPA ...
Echegaray, M.   +8 more
core   +1 more source

Sotalia fluviatilis

open access: yes, 1982
{"references": ["Rice, D. W. 1977. A list of the marine mammals of the world. Third ed. NOAA Technical Report, NMFS SSRF- 711: 1 - 15."]}
Honacki, James H.   +2 more
openaire   +1 more source

Acoustically evoked potentials in two cephalopods inferred using the auditory brainstem response (ABR) approach [PDF]

open access: yes, 2009
It is still a matter of debate whether cephalopods can detect sound frequencies above 400 Hz. So far there is no proof for the detection of underwater sound above 400 Hz via a physiological approach.
Chung, W.-S.   +4 more
core   +1 more source

Helminths of the marine tucuxi, Sotalia fluviatilis (Gervais, 1853) (Cetacea: Delphinidae), in northern Rio de Janeiro State, Brazil

open access: yesBrazilian Archives of Biology and Technology, 2006
The objectives of this work were to reporte the helminths of the marine tucuxi, Sotalia fluviatilis (Cetacea: Delphinidae) in northern Rio de Janeiro State; and to check if the infestation rate varied with the host characteristics (sex and maturity) and ...
Osana Prado Melo   +2 more
doaj   +1 more source

New records of Nasitrema atenuatta and Nasitrema globicephalae (Trematoda: Brachycladiidae) Neiland, Rice and Holden, 1970 in delphinids from South Atlantic [PDF]

open access: yesCheck List, 2013
Twenty-one Sotalia guianensis (van Bénéden, 1864) and one Steno bredanensis (Lesson, 1828) stranded on Brazilian coast were necropsied. Two species of Nasitrema (Trematoda: Brachycladiidae) Ozaki, 1935, were identified in the respiratory tract of the ...
Mariana Ebert, Ana Valentere
doaj   +3 more sources

Macro- and micro-geographic variation of short-beaked common dolphin’s whistles in the Mediterranean Sea and Atlantic Ocean [PDF]

open access: yes, 2013
Author Posting. © The Author(s), 20113. This is the author's version of the work. It is posted here by permission of Taylor & Francis for personal use, not for redistribution.
Azzolin, Marta A.   +10 more
core   +1 more source

Guiana dolphins (Sotalia guianensis) displaying beach hunting behavior in the Cananéia Estuary, Brazil: social context and conservation issues

open access: yesBrazilian Journal of Oceanography, 2010
To elaborate a fuller description of the beach hunting behavior displayed by Guiana dolphins (Sotalia guianensis) in the Cananéia Estuary (CE) (25ºS, 48ºW), a photo-identification study was conducted from May 2000 to July 2003.
Marcos César de Oliveira Santos
doaj   +1 more source

A preliminary overview of skin and skeletal diseases and traumata in small cetaceans from South American waters [PDF]

open access: yes, 2007
We succinctly review and document new cases of diseases of the skin and the skeletal system and external traumata in cetaceans from Ecuador, Colombia, Peru, Chile, Argentina, Uruguay, Brazil, and Venezuela.
Avila, I.C.   +23 more
core   +1 more source

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