Results 71 to 80 of about 928 (195)

Ocurrence of Cryptosporidium spp. in Amazonian manatees (Trichechus inunguis, Natterer, 1883) [PDF]

Biotemas, 2007
The apicomplexa protozoa Cryptosporidium infects several mammals, including terrestrial and aquatic species. In the epidemiology of this infection, the ingestion of water and/or food contamined with oocysts comprises the main mechanism of transmission to
Maria Aparecida da Glória Faustino, Jociery Einhardt Vergara-Parente, Carla Verônica Carrasco Aguilar, Fábia de Oliveira Luna, Danielle dos Santos Lima, Leucio Câmara Alves, João Carlos Gomes Borges, Ana Maria Alves Lima, Miriam Marmontel   +8 more
doaj  

Sirenian Sounds

Abstract Extant sirenians are the only aquatic herbivorous mammals and comprise four recognized species: the dugong, the Amazonian manatee, the West Indian manatee, and the African manatee. They inhabit coastal shallow waters in tropical and subtropical areas.
Renata S. Sousa-Lima, Juan Carlos Azofeifa-Solano, Vera M. F. da Silva, Giovanna A. Dantas, Isadora M. Carletti, Ann Bowles, Rodney Rountree, Christine Erbe   +7 more
openaire   +1 more source

Exploring Marine Mammal Cognition as a Conservation Tool

Marine Mammal Science, Volume 42, Issue 1, January 2026.
ABSTRACT Cognition is an animal's real‐time adaptation system for responding to change. Rapid environmental change, often anthropogenic, is expanding the range and severity of challenges confronting wild animals. Effective conservation requires a multifaceted approach that includes animals' capacities.
Gordon B. Bauer, Peter F. Cook, Heidi E. Harley, Jason Bruck, Mel Cosentino, Charles J. Deutsch, Nicola Erdsack, Wendi Fellner, Tabitha Gunnars, Heather Manitzas Hill, Sonia V. Kumar, Malin K. Lilley, Katherine A. McHugh, Jennifer Moore, Juliana R. Moron, Andrea Ravignani, Roger L. Reep, Athena M. Rycyk, Laela S. Sayigh, Anikó Szegedi, Christina Toms, Randall S. Wells   +21 more
wiley   +1 more source

New evidence indicates the presence of barracuda (Sphyraenidae) and supports a tropical marine environment in the Miocene of Madagascar.

PLoS ONE, 2017
Recent exploration of Miocene-age deposits at Nosy Makamby, a small island ~50 km southwest of Mahajanga city in northwestern Madagascar, has led to the recovery of a large sample [82] of isolated barracuda teeth (Sphyraena sp.).
Michael D Gottfried, Karen E Samonds, Summer A Ostrowski, Tsiory Harimalala Andrianavalona, Tolotra Niaina Ramihangihajason   +4 more
doaj   +1 more source

Comparative taphonomy, taphofacies, and bonebeds of the Mio-Pliocene Purisima Formation, central California: strong physical control on marine vertebrate preservation in shallow marine settings. [PDF]

PLoS ONE, 2014
Taphonomic study of marine vertebrate remains has traditionally focused on single skeletons, lagerstätten, or bonebed genesis with few attempts to document environmental gradients in preservation. As such, establishment of a concrete taphonomic model for
Robert W Boessenecker, Frank A Perry, James G Schmitt   +2 more
doaj   +1 more source

Interaction Between Traditional Fishers and the Neotropical Otter Lontra longicaudis (Olfers, 1818) in a Brazilian Amazon Estuary

Aquatic Conservation: Marine and Freshwater Ecosystems, Volume 35, Issue 12, December 2025.
ABSTRACT The neotropical otter Lontra longicaudis (Olfers, 1818) is a semi‐aquatic carnivore from the Mustelidae family with a piscivorous habit that interacts with riverine populations because of fishing resources, and this relationship is often negative, especially in the Amazon where fishing represents an important activity for several communities ...
Dayse Souza Marques, Izabelle da Silva Mendes, César França Braga, Renata Emin‐Lima, Thuareag Monteiro Trindade dos Santos   +4 more
wiley   +1 more source

Morphology and function of pinniped necks: The long and short of it

The Anatomical Record, Volume 308, Issue 12, Page 3175-3185, December 2025.
Abstract Terrestrial vertebrates from at least 30 distinct lineages in both extinct and extant clades have returned to aquatic environments. With these transitions came numerous morphological adaptations to accommodate life in water. Relatively little attention has been paid to the cervical region when tracking this transition.
Justin Keller, Annalisa Berta, Mark Juhn, Blaire Van Valkenburgh   +3 more
wiley   +1 more source

Tooth wear and dental calculus in a group of orca (Orcinus orca) stranded on the New Zealand southern coast

Journal of the Royal Society of New Zealand, Volume 55, Issue 6, Page 2042-2059, December 2025.
ABSTRACT In 2014, a group of nine orca stranded in Te Waewae Bay, Western Southland, and their remains were collected, processed and studied in partnership with Ōraka Aparima Rūnaka. A total of 436 teeth were analysed to determine the location, type and intensity scores of tooth wear.
Carolina Loch, Ingrid N. Visser, Kali Stratford, Sophie White, Joe Wakefield, Stewart Bull, Lydia Matenga, Muriel Johnstone, Ramari Oliphant‐Stewart   +8 more
wiley   +1 more source

How is the third jaw joint in whales different? Diverse modes of articulation between the jaws of whales

Journal of Anatomy, Volume 247, Issue 6, Page 1224-1240, December 2025.
This study conducts the first comprehensive morphological investigation of the mandibular symphysis in whales. Using gross anatomical observation and CT cross‐sectional data, we describe diverse joint morphologies across 74 extant and fossil cetacean taxa. Toothed whales exhibit unfused, partially fused, or fully fused symphyses.
Rebecca J. Strauch, Nicholas D. Pyenson, Carlos Mauricio Peredo   +2 more
wiley   +1 more source

Taxonomy of Marine Mammals [PDF]

, 2022
Marine mammals are warm-blooded aquatic vertebrates belonging to the class Mammalia, breathe air through lungs, locomotion by fins & flippers and produce milk to nurse their young ones.
Kuberan, G, Rahul, R, Chogale, Pradip N, Ratheesh Kumar, R, Vivekanandan, E   +4 more
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