Results 61 to 70 of about 1,522,191 (285)

Much more than their fangs: Macroscopic anatomy of the brain of Bothrops moojeni Hoge 1966 (Squamata, Serpentes, Viperidae)

The Anatomical Record, EarlyView.
Abstract Neuroanatomical research has progressed considerably in several vertebrate lineages, yet studies of reptilian brain morphology remain markedly underdeveloped. Here we provide the first description of macroscopic brain anatomy and its ontogeny in the viperid Bothrops moojeni, based on a sample of seven individuals.
Paula Araújo, Júlio César Costa de Souza, Angele Martins   +2 more
wiley   +1 more source

Ecotoxicity of glyphosate and aterbane® br surfactant on guaru (Phalloceros caudimaculatus) = Ecotoxicologia do glifosato e surfactante aterbane® br para guaru (Phalloceros caudimaculatus)

Acta Scientiarum: Biological Sciences, 2010
Aquatic macrophytes are important components of aquatic ecosystems, but these plants have become a problem due to their occurrence in different regions.
Natália Sayuri Shiogiri, Silvia Patrícia Carraschi, Patrícia Cubo, Bárbara Lopes Schiavetti, Claudinei da Cruz, Robinson Antonio Pitelli   +5 more
doaj  

Regional and Seasonal Differences in Species Composition and Trophic Groups for Tidepool Fishes of a Western Pacific Island – Taiwan

Ilmu Kelautan, 2018
Spatial and temporal variations in the species composition of assemblages are common in many marine organisms, including fishes. Variations in the fish species composition of subtidal coral reefs have been well documented, however much less is known ...
Colin K. C. Wen, Li-Shu Chen, Kwang-Tsao Shao   +2 more
doaj   +1 more source

Hepatic morphology and serum biochemical profile according to dry and rainy seasons in Pygocentrus nattereri (Characiformes: Serrasalmidae)

The Anatomical Record, EarlyView.
Abstract This study investigated the physiological and morphological adaptations of the liver of the carnivorous fish Pygocentrus nattereri (piranha) in response to seasonal variations (dry and rainy seasons) in the Brazilian Pantanal. The objective was to describe how the liver, a central organ in metabolic regulation, responds to environmental ...
Maria Eduarda Corona Garcia, Sandriely F. Marcondes, Mayara S. Siqueira, Taynara R. F. Leão, Robson A. Rodrigues, Karine N. N. Farias, André L. N. Silva, Karin Virgínia Kuibida, Lilian Franco‐Belussi, Carlos E. Fernandes   +9 more
wiley   +1 more source

Redescripción de Parodon caliensis y Saccodon dariensis (Characiformes: Parodontidae)

Revista de Biología Tropical, 2010
La familia Parodontidae es un grupo de peces Characiformes distribuidos a través de Sur América y parte de Panamá, contiene tres géneros: Apareiodon Eigenmann 1916, Parodon Valenciennes 1849 y Saccodon Kner 1863, con 28 especies reconocidas y dos géneros
Alejandro Londoño-Burbano, César Román-Valencia   +1 more
doaj  

First record of piscivory in the Tropical Kingbird (Tyrannus melancholicus)

Huitzil, 2018
Tyrant flycatchers (i.e., Tyrannidae) are primarily insectivores, but they can supplement their diet with spiders, fruits, or small vertebrates. Kingbirds are among the most specialized predators in this family, since they prey almost exclusively on ...
José Antonio González-Oreja, Francisco Javier Jiménez-Moreno   +1 more
doaj   +1 more source

The musculature and skeleton of the pelvic fin of the crocodile shark, Pseudocarcharias kamoharai (Matsubara, 1936) (Elasmobranchii: Lamniformes): Morphology and sexual dimorphism

The Anatomical Record, EarlyView.
This work brings new information on the sexual characteristics of the crocodile shark (Pseudocarcharias kamoharai) exploring the pelvic fin musculature, as well as the siphon sac and the musculature and skeleton of the clasper. Our paper is the first to point out clearly the sexual dimorphism related exclusively to the pelvic fin musculature in males ...
Laura F. Mianutti, Kenshu Shimada, João Paulo C. B. da Silva   +2 more
wiley   +1 more source

Análisis comparado de las especies del género Bryconamericus (Teleostei: Characidae) en la cuenca de los ríos Cauca-Magdalena y Ranchería, Colombia Comparative analysis of species of the genus Bryconamericus (Teleostei: Characidae) from Cauca, Magdalena and Ranchería basin rivers in Colombia

Revista Mexicana de Biodiversidad, 2009
Se analizan las especies de Bryconamericus Eigenmann 1907 para la cuenca de los ríos Magdalena-Cauca y Ranchería, con base en material tipo y no tipo; además se establece la distribución geográfica de B. caucanus.
César Román-Valencia, James A. Vanegas-Ríos, María D. García G.   +2 more
doaj  

Oldest well‐preserved euprimate petrosal, from the early Eocene of India (Vastan Lignite Mine, Gujarat)

The Anatomical Record, EarlyView.
Abstract An exquisitely preserved, isolated partial petrosal with associated fragmentary stapes is described from the Vastan Lignite Mine (Gujarat, India), dated to the early Eocene (~54.5 Ma). Several anatomical traits (e.g., large petrosal plate; posterolateral entry of the internal carotid artery to the tympanic cavity; bony tubes surrounding the ...
Mary T. Silcox, Kenneth D. Rose, Rachel H. Dunn, Kishor Kumar, Rajendra S. Rana, Ashok Sahni, Lachham Singh, Thierry Smith, Jordan W. Crowell   +8 more
wiley   +1 more source

Fishing for conservation of freshwater tropical fishes in the Anthropocene

Aquatic Conservation: Marine and Freshwater Ecosystems, 2019
AbstractThe ecosystem services provided by freshwater biodiversity are threatened by development and environmental and climate change in the Anthropocene.Here, case studies are described to show that a focus on the shared dependence on freshwater ecosystem functioning can mutually benefit fisheries and conservation agendas in the Anthropocene.Meeting ...
Sui Chian Phang, Michael Cooperman, Abigail J. Lynch, E. Ashley Steel, Vittoria Elliott, Karen J. Murchie, Steven J. Cooke, Scott Dowd, Ian G. Cowx   +8 more
openaire   +2 more sources