Results 21 to 30 of about 70,813 (251)
Seasonal distribution and historic trends in abundance of white sharks, Carcharodon carcharias, in the western North Atlantic Ocean. [PDF]
PLoS ONE, 2014 Despite recent advances in field research on white sharks (Carcharodon carcharias) in several regions around the world, opportunistic capture and sighting records remain the primary source of information on this species in the northwest Atlantic Ocean ...
Tobey H Curtis +8 more
doaj +1 more source
PLoS ONE, 2017 White sharks (Carcharodon carcharias) are apex predators that play an important role in the structure and stability of marine ecosystems. Despite their ecological importance and protected status, white sharks are still subject to lethal control to reduce
Tamlyn Engelbrecht +3 more
doaj +1 more source
DNA Barcoding Identifies Endangered Sharks in Pet Food Sold in Singapore
Frontiers in Marine Science, 2022 Shark populations have declined by more than 70% over the past 50 years. These declines have largely been attributed to increases in fishing efforts. Despite increased public awareness surrounding the conservation of sharks, three-quarters of all oceanic
Ian French +2 more
doaj +1 more source
Endangered Species Research, 2021 Novel, non-lethal approaches are needed to improve our current understanding of the reproductive biology and ecology of the white shark Carcharodon carcharias.
HJ Verkamp +3 more
doaj +1 more source
Trophic position of Otodus megalodon and great white sharks through time revealed by zinc isotopes
Nature Communications, 2022 Here the authors demonstrate the use of zinc isotopes (δ66Zn) to geochemically assess trophic levels in extant and extinct sharks. They show that the Neogene megatooth shark (Otodus megalodon) and the great white shark (Carcharodon carcharias) occupied a
Jeremy McCormack +16 more
doaj +1 more source
Biology, 2023 Human-shark conflict has been managed through catch-and-kill policies in most parts of the world. More recently, there has been a greater demand for shark bite mitigation measures to improve protection for water users whilst minimizing harm to non-target
Paul A. Butcher +6 more
doaj +1 more source
Diving behaviour of whale sharks in relation to a predictable food pulse [PDF]
, 2005 We present diving data for four whale sharks in relation to a predictable food pulse (reef fish spawn) and an analysis of the longest continuous fine-resolution diving record for a planktivorous shark.
Callum M Roberts +4 more
core +2 more sources
Microbiome structure in large pelagic sharks with distinct feeding ecologies
Animal Microbiome, 2022 Background Sharks play essential roles in ocean food webs and human culture, but also face population declines worldwide due to human activity. The relationship between sharks and the microbes on and in the shark body is unclear, despite research on ...
Zoe A. Pratte +8 more
doaj +1 more source
Latin American Journal of Aquatic Research, 2015 We report on an adult female white shark tracked for 288 days and 7,100 km in the NE Pacific Ocean. The shark, tagged with a real-time satellite tag off Guadalupe Island, Mexico in October 2006, remained around the island for 3.5 months but left in early
Ramón Bonfil, Shannon O'Brien
doaj +1 more source
Age and growth of the highly exploited narrownose smooth-hound (Mustelus schmitti) (Pisces: Elasmobranchii) [PDF]
, 2017 The narrownose smoothhound (Mustelus schmitti) is the most exploited elasmobranch of Argentina, Brazil, and Uruguay and is considered endangered (IUCN Red List of Threatened Species).
Blasina, Gabriela Elizabeth +2 more
core +1 more source