Results 41 to 50 of about 1,261 (186)

Reproductive Anatomy of Chondrichthyans: Notes on Specimen Handling and Sperm Extraction. II. Sharks and Chimaeras

open access: yesAnimals, 2021
The chondrichthyan fishes, which comprise sharks, rays, and chimaeras, are one of the most threatened groups of vertebrates on the planet. Given this situation, an additional strategy for the protection of these species could be the ex situ conservation ...
Pablo García-Salinas   +2 more
doaj   +1 more source

Inferring Life History Characteristics of the Oceanic Whitetip Shark Carcharhinus longimanus From Vertebral Bomb Radiocarbon

open access: yesFrontiers in Marine Science, 2020
Oceanic whitetip sharks Carcharhinus longimanus are a cosmopolitan epipelagic species that was once prolific throughout the tropics and subtropics but was recently listed as Critically Endangered by the International Union for the Conservation of Nature ...
Michelle S. Passerotti   +2 more
doaj   +1 more source

Complete mitochondrial genome of the Caribbean reef shark, Carcharhinus perezi (Carcharhinformes: Carcharhinidae)

open access: yesMitochondrial DNA. Part B. Resources, 2021
The Caribbean reef shark (Carcharhinus perezi; Poey, 1876) is a medium to large-bodied coastal and reef-associated predator found throughout the subtropical and tropical waters of the Atlantic Ocean and Caribbean Sea, although its populations are ...
Austin J. Gallagher   +3 more
doaj   +1 more source

Intensive Commercialization of Endangered Sharks and Rays (Elasmobranchii) Along the Coastal Amazon as Revealed by DNA Barcode

open access: yesFrontiers in Marine Science, 2021
Elasmobranchs represent a well-defined group, composed of about 1,150 species inhabiting diverse aquatic environments. Currently, several of these species have been classified as threaten due to overexploitation.
Thais Martins   +7 more
doaj   +1 more source

Carcharhinidae

open access: yes, 2008
Published as part of Wirtz, Peter, Fricke, Ronald & Biscoito, Manuel José, 2008, The coastal fishes of Madeira Island — new records and an annotated check-list, pp.
Wirtz, Peter   +2 more
openaire   +2 more sources

Carcharhinidae Jordan & Evermann 1896

open access: yes, 2023
Family Carcharhinidae Jordan & Evermann 1896 (Fig. 2A). Requiem Sharks, Blue Sharks, Lemon Sharks, Sharpnose Sharks, Tiger Sharks, Whitenose Sharks, Whitetip Sharks; Cazones, Tintoreras, Tiburones Description: Body elongate and robust; up to 740 cm in length; nostrils without barbels or grooves; nictitating eyelids internal; mouth large, arched ...
Angulo, Arturo   +7 more
openaire   +1 more source

Carcharhinidae

open access: yes, 2017
Family: Carcharhinidae (Requiem sharks) 6. Carcharhinus dussumieiri Valenciences, 1839 7. Carcharhinus limbatus (Muller & Henle, 1839) 8. Galeocerdo cuvier (Peron & le Sueur, 1822) 9. Glyphis gangeticus (Muller & Henle. 1839) 10. Rhizoprionodon acutus (Ruppell, 1837) 11.
Yennawar, Prasanna   +2 more
openaire   +2 more sources

Functional anatomy, jaw mechanisms, and feeding behavior of Dunkleosteus terrelli (Placodermi, Arthrodira)

open access: yesThe Anatomical Record, Volume 309, Issue 10, Page 2574-2635, October 2026.
A new musculoskeletal reconstruction and revision of the cranio‐mandibular anatomy of the Devonian arthrodire placoderm Dunkleosteus terrelli from a comparative and functional anatomical perspective. Dunkleosteus is a specialized arthrodire with many specializations for feeding on large vertebrates, and many of its features are part of broader ...
Russell K. Engelman   +4 more
wiley   +1 more source

Rayas y tiburones como fauna acompañante en las pesquerías de camarón: una revisión.

open access: yesRevista de Investigaciones Marinas, 2023
Se presenta una revisión sobre los elasmobranquios en la pesquería de arrastre de camarón. La fauna acompañante de camarón (FAC) está compuesta por una gran diversidad de especies en la que predominan los peces.
Alejandra Briones Bell-lloch   +2 more
doaj  

Disparities in delegation size and their implications for equitable participation at CITES CoP meetings

open access: yesConservation Science and Practice, Volume 8, Issue 9, September 2026.
We analyzed delegation size, voting records, and working‐group rosters across five CITES Conferences of the Parties (CoP16–20) to examine how Party‐level traits predict delegation size and how delegation size shapes participation when Committees meet concurrently.
Freyja Watters, Phillip Cassey
wiley   +1 more source

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