Results 61 to 70 of about 7,244 (234)

Ocorrência de baços acessórios em boto-cinza (Sotalia guianensis) - aspectos histológicos

Acta Scientiae Veterinariae, 2018
A presenca de bacos acessorios tem sido relatada em seres humanos e diversas especies de animais. Nos cetaceos, o baco e um orgao de estrutura histologica similar ao de outros mamiferos, podendo estar acompanhado, em algumas especies, por um ou mais bacos acessorios.
Carvalho, Vitor Luz, Motta, Monica Regina Alves, Nunes-Pinheiro, Diana Célia Sousa, Nogueira, Teresa Neuma Albuquerque Gomes, Campello, Claudio Cabral   +4 more
openaire   +3 more sources

On the feeding habit of the Guiana Dolphin Sotalia guianensis (van Bénedèn, 1864) (Mammalia: Cetartiodactyla: Delphinidae) in southeastern Brazil (~220S): has there been any change in more than two decades?

Journal of Threatened Taxa, 2017
Along the north and central coast of Rio de Janeiro State (22025’S–23000’S), southeastern Brazil, the Guiana Dolphin Sotalia guianensis forages on neritic prey, mainly fish.
Ana Paula Madeira Di Beneditto, Clara da Cruz Vidart Badia, Salvatore Siciliano   +2 more
doaj   +1 more source

Size and shape variations of the bony components of sperm whale cochleae [PDF]

, 2017
Several mass strandings of sperm whales occurred in the North Sea during January and February 2016. Twelve animals were necropsied and sampled around 48 h after their discovery on German coasts of Schleswig Holstein. The present study aims to explore the
Schnitzler, J.G., Frédérich, B., Früchtnicht, S., Schaffeld, T., Baltzer, J., Ruser, A., Siebert, U.   +6 more
core   +2 more sources

Do Marine Mammals Diversify More Slowly Than Non‐Marine Mammals?

Journal of Biogeography, Volume 53, Issue 1, January 2026.
ABSTRACT Aim Species richness is generally lower in marine than in terrestrial ecosystems, but the reasons behind this disparity remain unclear. This study examines whether marine mammals diversify at a slower pace than their non‐marine counterparts, aiming to shed light on the factors explaining potential diversification differences among them ...
Adriana Oliver, Graciela Sotelo, Sofía Galván, Iván Rey‐Rodríguez, Adrián Castro‐Insua, Sara Gamboa, Marta Matamala‐Pagès, Pedro Beca‐Carretero, Eduardo Méndez‐Quintas, Andrea Serodio, Sara Varela   +10 more
wiley   +1 more source

Lateralized behavior in Guiana dolphins, Sotalia guianensis, at Pipa Beach, RN, Brazil [PDF]

Brazilian Journal of Biology, 2013
T. Casagrande, VO. Lunardi, DG. Lunardi
doaj   +6 more sources

Review of lobomycosis and lobomycosis-like disease (LLD) in Cetacea from South America. Scientific Committee document SC/60/DW13, International Whaling Commission, June 2008, Santiago, Chile [PDF]

, 2008
Caused by a yeast-like organism known as Lacazia loboi, Lobomycosis (or lacaziosis) naturally affects humans, common bottlenose dolphins (Tursiops truncates) inhabiting coastal waters from southern Brazil to Gulf of Mexico and Atlantic coast of Florida ...
Crespo, E.A., Echegaray, M., Flach, L., Flores, P.A.C., Félix, F., Klaich, M.J., Moreno, I.B., Ott, P.H., Reyes, J.C., Sanino, G.P., Santos, M.C.O., Siciliano, S., Tavares, M., Van Bressem, M.-F., Van Waerebeek, K., Viddi, F.   +15 more
core  

MORPHOLOGY AND GROWTH OF THE VENTRICULAR MYOCARDIUM OF SOTALIA GUIANENSIS [PDF]

, 2023
A morfologia, o crescimento e o envelhecimento do coração, não só de Sotalia guianensis (boto-cinza), como também de todos os cetáceos é pouco conhecida.
BARBOSA, Lupércio Araújo, DA SILVA, Letícia Versiani Gomes, DA SILVEIRA, Leonardo Serafim, DEMARQUE, Isis de Oliveira Carvalho, LAILSON-BRITO, José, LEANDRO, Hassan Jerdy, ROCHA, Vinícius Novaes   +6 more
core   +1 more source

Comparative Analysis of the Whistles of Three Oceanic Dolphins in the Comoros

Marine Mammal Science, Volume 42, Issue 1, January 2026.
ABSTRACT The Shisiwani National Park (Anjouan, Comoros) is a cetacean biodiversity hotspot. However, the vocal behavior of marine mammals inhabiting the area has never been studied. In 2023, we conducted a 400‐nautical‐mile survey from a 5‐m motorboat to determine their presence.
Rihana Ali Ahmed, Anna Zanoli, Federica Scebba, Fouad Abdou Rabi, Youssouf Ben Ali Abdallah, Sara Ferri, Francesco Caruso, Cristina Giacoma, Livio Favaro   +8 more
wiley   +1 more source

Ontogeny of the skull of Sotalia guianensis (Cetartiodactyla: Delphinidae) on the Northern coast of Brazil [PDF]

Iheringia: Série Zoologia, 2020
This study aimed to investigate the ontogenetic development of the skull in the Guiana dolphin (Sotalia guianensis Van Bénéden, 1864 ) through the comparison of 29 morphological non-metrical characters together with the estimated age of 54 specimens ...
Renata F. Novais, Salvatore Siciliano, Renata Emin-Lima, José S. Silva Júnior   +3 more
doaj   +1 more source

Population density of Sotalia guianensis (Cetacea: Delphinidae) in the Cananéia region, Southeastern Brazil

Revista de Biología Tropical, 2010
Population density in cetaceans can be estimated through photo-identification, mark-recapture, land-based observations and visual estimative. We the aim to contribute with conservation strategies, we used line transects (distance method) to estimate the population density of the river dolphin, S.
Havukainen, Liisa, Leite de Araujo Monteiro Filho, Emygdio, de Fatima Filla, Gislaine   +2 more
openaire   +8 more sources