Results 131 to 140 of about 13,633 (199)

Non-metric characters in two species of Sotalia (Gray, 1866) (Cetacea, Delphinidae)

Brazilian Journal of Biology
Analyses of non-metric characters of the skull and cervical vertebrae were performed among samples of dolphins of the genus Sotalia from the north, northeast and south Brazilian coast (S.
DC. Fettuccia, VMF. da Silva, PC. Simões-Lopes   +2 more
doaj   +1 more source

Avaliação histopatológica em baço como indicadores de estresse fisiológico em Sotalia guianensis (Van Bénéden, 1864)

Biológicas & Saúde
boto ...
Eduardo Carlos de Souza Muniz, Roger da Silva Carlos, Anna Clara dos Anjos Santos, Maria Clara Paschoalini Liquer, Felipe Falcão Monteiro, Larissa Solino de Abreu Franco, L. S. da Silveira   +6 more
semanticscholar   +1 more source

Cetacean diversity on the Parnaiba Delta, Maranhão state, northeastern Brazil

Brazilian Journal of Biology
The increase in the research of cetacean surveys on the Brazilian coast has brought new data on the distribution of species never reported before. The present work reviews the current knowledge on cetaceans species and extends this knowledge with an ...
FA. Magalhães, CH. Tosi, RG. Garri, S. Chellappa, FL. Silva   +4 more
doaj   +1 more source

Progress report on the Sotalie study (Sotalia guianensis)

Les dauphins de rivières et notamment les sotalies de Guyanes (Sotalia guianensis) sont des animaux discrets et ainsi difficiles à étudier. Pour étudier le comportement de ces animaux, en particulier leurs zones de présence, leurs habitudes journalières ou encore leurs modes de communication, l’acoustique passive est une méthode très efficace.
Chavin, Stéphane, Mahé, Pierre, Glotin, Hervé   +2 more
openaire   +1 more source

Riverine and marine ecotypes of Sotalia dolphins are different species

, 2005
The current taxonomic status of Sotalia species is uncertain. The genus once comprised five species, but in the twentieth century they were grouped into two (riverine Sotalia fluviatilis and marine Sotalia guianensis) that later were further lumped into ...
Silva, Vera Maria Ferreira da, Fragoso, Ana Bernadete Lima, Santos, Marcos César de Oliveira, Solé-Cava, António Mateo, Cunha, Haydée A., Lailson-Brito, José, Azevedo, Alexandre de Freitas, Flores, Paulo A.C., Zanelatto, Regina Célia, Martin, Anthony Richard   +9 more
core   +1 more source

Review of thirty-two years of toothed whale strandings in Santa Catarina, southern Brazil (Cetacea: Odontoceti)

Zoologia (Curitiba)
Marine mammal strandings provide valuable insights into local biodiversity. Strandings can be caused by both natural and anthropogenic factors. In the state of Santa Catarina, Southern Brazil, organized marine mammal collections started in the 1980s ...
Thaís dos S. Vianna, Carolina Loch, Pedro V. de Castilho, Morgana C. Gaidzinski, Marta J. Cremer, Paulo C. Simões-Lopes   +5 more
doaj   +1 more source

Comportamento do boto-cinza (sotalia guianensis)(cetacea: delphinidae): amostragem, termos e definições [PDF]

, 2009
The marine tucuxi (Sotalia guianensis Van Bénéden, 1864) is a small delphinidae currently under investigation by several different research groups along the Brazilian coast.
Sluys, Monique Van, Bisi, Tatiana Lemos, Dorneles, Paulo Renato, Dorneles, Paulo R., Azevedo, Alexandre de Freitas, Van Sluys, Monique, Lemos Bisi, Tatiana, Brito Jr., José Lailson, Lailson Brito, José   +8 more
core  

Surface patterns of Sotalia guianensis (Cetacea: Delphinidae) in the presence of boats in Port of Malhado, Ilhéus, Bahia, Brazil

Latin American Journal of Aquatic Research, 2013
Interactions with boats can cause several behavioural changes in cetaceans. The purpose of this research is to analyse if Guiana dolphins, Sotalia guianensis, change their surfacing patterns in the presence of different boat categories, and their contact
Mariana S Santos, Alexandre Schiavetti, Martín R Alvarez   +2 more
doaj  

Intergeneric behavior between Sotalia fluviatilis guianensis and Tursiops truncatus in captivity

, 1983
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +1 more source

Modelación de nicho y aspectos biogeográfícos del género Sotalia (Cetartiodactyla: Delphinidae) en los ríos Amazonas y Orinoco, Colombia [PDF]

, 2016
El género Sotalia (Cetartiodactyla: Delphinidae) esta compuesto de dos especies, basados en morfología craneal y evidencia genética. La primera Sotalia fluviatilis (continental) corresponde a individuos distribuidos en la cuenca del río Amazonas y ...
Mantilla Meluk, Hugo, Carvajal Castro, Juan David, Velásquez Roa, Tatiana, Trujillo, Fernando, Mosquera Guerra, Federico   +4 more
core