Results 21 to 30 of about 3,935 (204)

Evidence of Non-Random Social Interactions between Pairs of Bait-Attracted White Sharks in Gansbaai (South Africa)

open access: yesDiversity, 2023
Knowledge about the social behavior of sharks is a growing research field, but not many observations are available on the social interactions between pairs of sharks in the presence of passive surface bait and mainly related to aggregations. Between 2009
Primo Micarelli   +5 more
doaj   +1 more source

The Relative Abundance and Occurrence of Sharks off Ocean Beaches of New South Wales, Australia

open access: yesBiology, 2022
There is still limited information about the diversity, distribution, and abundance of sharks in and around the surf zones of ocean beaches. We used long-term and large-scale drone surveying techniques to test hypotheses about the relative abundance and ...
Kim I. P. Monteforte   +3 more
doaj   +1 more source

Depredación en la tortuga carey Eretmochelys imbricata por el Jaguar Panthera onca en la costa del Pacífico de Costa Rica

open access: yesMammalogy Notes, 2016
In the sea, the most common predators of adult sea turtles are sharks (i.e., Carcharhinus leucas, Carcharodon carcharias, Galeocerdo cuvier) (Witzell 1987, Cliff & Dudley 1991, Fergusson et al. 2000) and killer whales (Orcinus orca) (Fertl & Fulling 2007)
Hansel Herrera   +2 more
doaj   +1 more source

Las primeras ilustraciones de fósiles españoles: nuevas observaciones acerca de las glosopetras de Armstrong (1752) y de Torrubia (1754)

open access: yesGeogaceta, 2022
Se ilustran y analizan las glosopetras figuradas en The History of the Island of Minorca, de John Armstrong (1752) y en el Aparato para la Historia Natural Española, de José Torrubia (1754), obras pioneras en la ilustración paleontológica española ...
Enrique Bernárdez, Isabel Rábano
doaj   +1 more source

How sharks and shark - human interactions are reported in major Australian newspapers [PDF]

open access: yes, 2020
Few phrases evoke more negative emotion, or generate more media coverage, than ‘shark attack’ despite the few deaths that have been attributed to shark bite. Typically, tabloids are considered to provide more sensational coverage than broadsheets.
Burgin, Shelley   +2 more
core   +2 more sources

Whale carcass scavenging by sharks

open access: yesGlobal Ecology and Conservation, 2019
Sharks are well known to scavenge whale carcasses, but observations are rare. Here we (1) describe new observations of whale carcass scavenging behaviour by white (Carcharodon carcharias) and tiger (Galeocerdo cuvier) sharks, and (2) review the ...
James P. Tucker   +4 more
doaj   +1 more source

An illicit artisanal fishery for North Pacific white sharks indicates frequent occurrence and high mortality in the Gulf of California

open access: yesConservation Letters, 2021
Large sharks shape ecosystems across their geographic ranges and have become a top research and conservation priority. Eastern North Pacific (ENP) white shark (Carcharodon carcharias) aggregations off the United States and Mexico are well described, but ...
Daniel J. Madigan   +3 more
doaj   +1 more source

Osteology and utilization of white shark teeth, Carcharodon carcharias (Linnaeus, 1758) (Elasmobranchii, Lamnidae) at shell mounds of São Paulo.

open access: yesRevista do Museu de Arqueologia e Etnologia, 2003
At Brazilian shell mounds, recoveries of sharks and rays teeth are very common, and their value for the shell mound groups is still under discussion. This choice of working with C.
Manoel M.B. Gonzalez   +1 more
doaj   +1 more source

New record of white shark, Carcharodon carcharias (Elasmobranchii, Lamniformes, Lamnidae), from the Mediterranean Spanish coast [PDF]

open access: yesActa Ichthyologica et Piscatoria
This study presents a new record of the white shark, Carcharodon carcharias (Linnaeus, 1758), in Spanish Mediterranean waters. We discuss this finding in the context of documented records from 1862 to 2023, which include direct observations and indirect ...
José Carlos Báez   +5 more
doaj   +3 more sources

A first estimate of white shark, Carcharodon carcharias, abundance off Central California. [PDF]

open access: yesBiol Lett, 2011
The decline of sharks in the global oceans underscores the need for careful assessment and monitoring of remaining populations. The northeastern Pacific is the home range for a genetically distinct clade of white sharks ( Carcharodon carcharias ). Little is known about the conservation status of this demographically
Chapple TK   +6 more
europepmc   +5 more sources

Home - About - Disclaimer - Privacy