Results 1 to 10 of about 2,943 (160)

Molecular Taxonomy and Diversification of Atlantic Skates (Chondrichthyes, Rajiformes): Adding More Pieces to the Puzzle of Their Evolutionary History

open access: yesLife, 2021
Conservation and long-term management plans of marine species need to be based upon the universally recognized key-feature of species identity. This important assignment is particularly challenging in skates (Rajiformes) in which the phenotypic ...
Alice Ferrari   +2 more
exaly   +3 more sources

Pharmacokinetic study of voriconazole administered orally at 50 mg/kg in nursehound sharks (Scyliorhinus stellaris) and udulate skates (Raja undulata) [PDF]

open access: yesBMC Veterinary Research
Background Fungal diseases represent an ongoing problem for elasmobranchs kept under human care worldwide. When present, mycoses often lead to high mortality rates, compromising welfare and conservation programs in aquariums.
Daniela Cañizares-Cooz   +5 more
doaj   +2 more sources

Anti-Runaway Prevention System with Wireless Sensors for Intelligent Track Skates at Railway Stations

open access: yesSensors, 2017
Anti-runaway prevention of rolling stocks at a railway station is essential in railway safety management. The traditional track skates for anti-runaway prevention of rolling stocks have some disadvantages since they are operated and monitored completely ...
Chao Wen, Chaozhe Jiang
exaly   +3 more sources

The Drivers of Mesozoic Neoselachian Success and Resilience [PDF]

open access: yesBiology
The modern diversity of sharks, skates, and rays (Neoselachii) is the result of various diversification and extinction events during the Mesozoic (252–66 Ma).
Manuel Andreas Staggl   +6 more
doaj   +2 more sources

The Effect of Blade Alignment on Kinematics and Plantar Pressure during the Execution of Goaltender-Specific Movement Patterns: A Case Study

open access: yesSports, 2022
Innovations in material properties of goaltender skates have improved the protective characteristics of the boot, leading to redesign of the blade holder to resemble players’ holders.
Colin Dunne   +2 more
doaj   +1 more source

Spatial segregation in eastern North Pacific skate assemblages. [PDF]

open access: yesPLoS ONE, 2014
Skates (Rajiformes: Rajoidei) are common mesopredators in marine benthic communities. The spatial associations of individual species and the structure of assemblages are of considerable importance for effective monitoring and management of exploited ...
Joseph J Bizzarro   +6 more
doaj   +1 more source

Biological Knowledge of Thornback Ray (Raja clavata) from the Azores: Improving Scientific Information for the Effectiveness of Species-Specific Management Measures

open access: yesBiology, 2021
Elasmobranchs are globally recognized as vulnerable due to their life-history characteristics, fishing pressure, and habitat degradation. Among the skates and rays caught by commercial fisheries, the thornback ray Raja clavata is one of the most ...
Régis Santos   +4 more
doaj   +1 more source

Biogeographic patterns in the cartilaginous fauna (Pisces: Elasmobranchii and Holocephali) in the southeast Pacific Ocean [PDF]

open access: yesPeerJ, 2014
The abundance and species richness of the cartilaginous fish community of the continental shelf and slope off central Chile is described, based on fishery-independent trawl tows made in 2006 and 2007. A total of 194,705 specimens comprising 20 species (9
Carlos Bustamante   +2 more
doaj   +2 more sources

Drivers of the spatial behaviour of the threatened thornback skate (Raja clavata)

open access: yesAquatic Living Resources, 2023
Fish movements are fundamental to their ecology and survival. Understanding the causes and consequences of the spatial behaviour of fish is of high relevance as it provides critical knowledge for conservation purposes. Skate (Rajidae) populations face an
Papadopoulo Kenn   +4 more
doaj   +1 more source

Mineralized Cartilage and Bone-Like Tissues in Chondrichthyans Offer Potential Insights Into the Evolution and Development of Mineralized Tissues in the Vertebrate Endoskeleton

open access: yesFrontiers in Genetics, 2021
The impregnation of biominerals into the extracellular matrix of living organisms, a process termed biomineralization, gives rise to diverse mineralized (or calcified) tissues in vertebrates.
Oghenevwogaga J. Atake, B. Frank Eames
doaj   +1 more source

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