Results 31 to 40 of about 1,455 (134)

A new South American darter (Crenuchidae: Characidium) from rivers draining the Northeastern Mata Atlantica Freshwater Ecoregion, Brazil: morphological and molecular evidence

Journal of Fish Biology, EarlyView.
Abstract Characidium tupi, a new species from rivers draining the southern portion of the Northeastern Mata Atlantica Freshwater Ecoregion, is described. The new species can be distinguished from all congeners by its colour pattern, including 7–14 dark bars enlarged and more conspicuous on their ventralmost portion, resulting in a longitudinal series ...
Angela M. Zanata, Leonardo Oliveira‐Silva   +1 more
wiley   +1 more source

A new endemic pearl cichlid of the ‘Geophagus’ brasiliensis (Cichliformes: Cichlidae) species group from the Piranga River, upper Doce River basin, southeastern Brazil

Journal of Fish Biology, EarlyView.
Abstract A new species of pearl cichlid of the ‘Geophagus’ brasiliensis species group, endemic to the Piranga River, a major tributary of the upper Doce River basin in the state of Minas Gerais, southeastern Brazil, is herein described. The new species is delimited using an integrative approach, with molecular‐based species delimitation methods coupled
Cidimar E. de Assis, Jorge A. Dergam, Amanda F. Cunha, Valéria N. Machado, Tomas Hrbek, Natállia M. de F. Vicente, Victor de Queiroz, Elisabeth Henschel   +7 more
wiley   +1 more source

Isolated in the highlands, found in the museum: A new species of Characidium (Crenuchidae) from a Bolivian National Park, with a CT scan revealing features

Journal of Fish Biology, EarlyView.
Abstract A new species of Characidium is described from a small, isolated river in the highland areas of Noel Kempff Mercado National Park, Bolivia. The new taxon can be diagnosed by the presence of a relatively broad and conspicuous dark midlateral stripe extending from the tip of snout to the base of the caudal fin, markedly darker than the vertical ...
Leonardo Oliveira‐Silva, Karina Or, Angela Zanata, Scott A. Schaefer   +3 more
wiley   +1 more source

Size, not phylogeny, explains the morphology of the endosseous labyrinth in the crown clade Crocodylia

Journal of Anatomy, Volume 246, Issue 4, Page 558-574, April 2025.
Here, we present the most complete dataset to date on the endosseous labyrinths of extant crocodylians. Using 3D geometric morphometrics, we show that allometry constitutes a major contributor of the shape variation of the crocodylian endosseous labyrinths and that the development of this structure is likely linked to the braincase conformation, in all
Yohan Pochat‐Cottilloux, Gwendal Perrichon, Lionel Hautier, Nicolas Rinder, Romain Amiot, Irena Raselli, Jérôme Adrien, Joël Lachambre, Vincent Fernandez, Jeremy E. Martin   +9 more
wiley   +1 more source

Transcriptomic and Proteomic Analysis of the Tentacles and Mucus of Anthopleura dowii Verrill, 1869

Marine Drugs, 2019
Sea anemone venom contains a complex and diverse arsenal of peptides and proteins of pharmacological and biotechnological interest, however, only venom from a few species has been explored from a global perspective to date.
Santos Ramírez-Carreto, Rosario Vera-Estrella, Tobías Portillo-Bobadilla, Alexei Licea-Navarro, Johanna Bernaldez-Sarabia, Enrique Rudiño-Piñera, Jerome J. Verleyen, Estefanía Rodríguez, Claudia Rodríguez-Almazán   +8 more
doaj   +1 more source

Confirming the impact origin of the São Miguel do Tapuio structure, northeastern Brazil

Meteoritics &Planetary Science, EarlyView.
Abstract The São Miguel do Tapuio structure (SMT) is a remarkable, nearcircular feature of about 21 km diameter, centered at 5°37.6′ S, 41°23.3′ W in Piauí state, northeastern Brazil. The structure is located within the sedimentary strata of the Paleozoic–Mesozoic Parnaíba Basin and predominantly comprises sandstones of the Devonian Pimenteiras and ...
Alvaro Penteado Crósta, Neivaldo Araújo de Castro, Marcos Alberto Rodrigues Vasconcelos, Airton Natanael Coelho Dias, Ludovic Ferrière, Wolf Uwe Reimold, Ana Maria Góes, Jackson Alves Martins, Liliana Sayuri Osako, Raimundo Mariano Gomes Castelo Branco   +9 more
wiley   +1 more source

Future Directions in the Research and Management of Marine Snakes

Frontiers in Marine Science, 2018
Marine snakes represent the most speciose group of marine reptiles and are a significant component of reef and coastal ecosystems in tropical oceans. Research on this group has historically been challenging due to the difficulty in capturing, handling ...
Vinay Udyawer, Peter Barnes, Xavier Bonnet, François Brischoux, Jenna M. Crowe-Riddell, Blanche D’Anastasi, Blanche D’Anastasi, Bryan G. Fry, Amber Gillett, Claire Goiran, Michael L. Guinea, Harold Heatwole, Michelle R. Heupel, Mathew Hourston, Mervi Kangas, Alan Kendrick, Inigo Koefoed, Harvey B. Lillywhite, Aaron S. Lobo, Vimoksalehi Lukoschek, Rory McAuley, Charlotte Nitschke, Arne R. Rasmussen, Kate L. Sanders, Coleman Sheehy, Richard Shine, Ruchira Somaweera, Samuel S. Sweet, Harold K. Voris   +28 more
doaj   +1 more source

Zoonotic anxieties: The cultural politics of Nepal's quest for pandemic preparedness

Medical Anthropology Quarterly, EarlyView.
Abstract Based on fieldwork conducted in Nepal (2022–2024) and by paying attention to how local and transnational notions of epidemiological risk are deployed, this ethnography introduces the concept of “zoonotic anxieties” to make sense of the multi‐species relational ethos that contemporary global health regimes propose.
Max D. López Toledano, Hari Basnet, Anna Durrance‐Bagale, Natasha Howard   +3 more
wiley   +1 more source

Interplay Between River Formation and Historical Climatic Changes Drove Diversification of the Thamnomanes caesius and T. schistogynus (Passeriformes, Thamnophilidae) Species Complex Across Amazonian and Atlantic Forests

Zoologica Scripta, EarlyView.
ABSTRACT The Amazon and Atlantic forests harbour immense biodiversity shaped by complex evolutionary history with diverse processes leading to species build‐up. We investigated the Cinereous Antshrike species complex (Thamnomanes caesius and T. schistogynus) to disentangle the relative contributions of riverine barriers and historical climatic ...
Henrique Batalha‐Filho, Tibério César Tortola Burlamaqui, Martin Irestedt, Per G. P. Ericson, Jon Fjeldså, Cristina Yumi Miyaki, Alexandre Aleixo   +6 more
wiley   +1 more source

EL CARNAVAL AFRO-BRASILEÑO EN SALVADOR DE BAHIA: patrimonio de la cultura brasileña

Revista Brasileira do Caribe, 2014
Este texto parte de uma investigação desenvolvida no Museu Afro-Brasileiro e trata da articulação entre museologia, museus e elementos materiais e imateriais do patrimônio da cultura brasileira, vivenciada no carnaval afro-brasileiro de Salvador-BA ...
Joseania Miranda Freitas
doaj