Results 31 to 40 of about 7,111 (213)
New record of white shark, Carcharodon carcharias (Elasmobranchii, Lamniformes, Lamnidae), from the Mediterranean Spanish coast [PDF]
Acta Ichthyologica et PiscatoriaThis 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
The influence of environmental variables on the presence of white sharks, Carcharodon carcharias at two popular Cape Town bathing beaches: a generalized additive mixed model. [PDF]
PLoS ONE, 2013 Shark attacks on humans are high profile events which can significantly influence policies related to the coastal zone. A shark warning system in South Africa, Shark Spotters, recorded 378 white shark (Carcharodon carcharias) sightings at two popular ...
Kay Weltz +4 more
doaj +1 more source
Animals, 2021 Between the years 2008 and 2013, six annual research expeditions were carried out at Dyer Island (Gansbaai, South Africa) to study the surface behaviour of white sharks in the presence of two passive prey: tuna bait and a seal-shaped decoy.
Primo Micarelli +4 more
doaj +1 more source
Advanced Science, EarlyView.The contribution of this study lies not only in enabling effective treatment of drug‐resistant biofilm infections, but also in establishing a transferable therapeutic paradigm: Ultrasound‐triggered mechanical forces synergistically enhance piezoelectric polarization and nanozyme activity, driving functional ROS generation inside and outside biofilms ...
Xinjian Guo +5 more
wiley +1 more source
Whale carcass scavenging by sharks
Global 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
The megamouth shark, Megachasma pelagios, is not a luminous species.
PLoS ONE, 2020 Despite its five meters length, the megamouth shark (Megachasma pelagios Taylor, Compagno & Struhsaker, 1983) is one of the rarest big sharks known in the world (117 specimens observed and documented so far). This filter-feeding shark has been assumed to
Laurent Duchatelet +6 more
doaj +1 more source
Effectiveness of five personal shark-bite deterrents for surfers [PDF]
PeerJ, 2018 The number of shark-human interactions and shark bites per capita has been increasing since the 1980s, leading to a rise in measures developed to mitigate the risk of shark bites.
Charlie Huveneers +5 more
doaj +2 more sources
First evidence of white sharks, Carcharodon carcharias, in the tongue of the ocean, central Bahamas
Frontiers in Marine ScienceThe white shark, Carcharodon carcharias, is an iconic apex predator, playing an important ecological role across its range. Persistent bycatch and overfishing led to white shark declines, but recent studies in the North Western Atlantic (NWA) revealed ...
T. L. Guttridge +6 more
doaj +1 more source
Environmental DNA, 2021 The number of human–shark interactions has increased worldwide during the past decade resulting in injuries and fatalities. In Australia, the white shark (Carcharodon carcharias), tiger shark (Galeocerdo cuvier), and bull shark (Carcharhinus leucas) are ...
Anthony vanRooyen +6 more
doaj +1 more source
The Anatomical Record, EarlyView.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