Results 1 to 10 of about 28,986 (305)
Residency and Spatial Use by Reef Sharks of an Isolated Seamount and Its Implications for Conservation [PDF]
PLoS ONE, 2012 Although marine protected areas (MPAs) are a common conservation strategy, these areas are often designed with little prior knowledge of the spatial behaviour of the species they are designed to protect.
Katya G Abrantes +2 more
exaly +2 more sources
Whale Sharks, Rhincodon typus, Aggregate around Offshore Platforms in Qatari Waters of the Arabian Gulf to Feed on Fish Spawn [PDF]
PLoS ONE, 2013 Whale sharks, Rhincodon typus, are known to aggregate to feed in a small number of locations in tropical and subtropical waters. Here we document a newly discovered major aggregation site for whale sharks within the Al Shaheen oil field, 90 km off the ...
David P Robinson +2 more
exaly +2 more sources
Large-Scale Absence of Sharks on Reefs in the Greater-Caribbean: A Footprint of Human Pressures [PDF]
PLoS ONE, 2010 BACKGROUND: In recent decades, large pelagic and coastal shark populations have declined dramatically with increased fishing; however, the status of sharks in other systems such as coral reefs remains largely unassessed despite a long history of ...
Christine A Ward-Paige +2 more
exaly +2 more sources
Ecological impact of the end-Cretaceous extinction on lamniform sharks [PDF]
PLoS ONE, 2017 Lamniform sharks are apex marine predators undergoing dramatic local and regional decline worldwide, with consequences for marine ecosystems that are difficult to predict. Through their long history, lamniform sharks have faced widespread extinction, and
Charlie J Underwood +2 more
exaly +2 more sources
PLoS ONE, 2016 Data on the occurrence of whale sharks, Rhincodon typus, in the Arabian Gulf and Gulf of Oman were collected by dedicated boat surveys and via a public-sightings scheme during the period from 2011 to 2014.
David P Robinson +2 more
exaly +2 more sources
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
Species associated with whale sharks Rhincodon typus (Orectolobiformes, Rhincodontidae) in the Galapagos Archipelago [PDF]
Biodiversity Data Journal, 2023 Whale sharks Rhincodon typus frequently appear to interact or associate with other species, which vary depending on the community structure and the demographic of the whale sharks at each location globally. Here, we present the species sighted frequently
Sofia Green, Alex Hearn, Jonathan Green
doaj +3 more sources
Impacts of trophy collection and commercial fisheries on sawfishes in Queensland, Australia
Endangered Species Research, 2023 Globally, populations of sawfishes (Batoidea: Pristidae) have declined due to directed fishing and bycatch. Before international trade protection, sawfish rostra were often collected as trophies, and sawfish fins could fetch some of the highest prices in
BE Wueringer, VN Biskis, GA Pinkus
doaj +1 more source
Analysis of sightings of white sharks in Gansbaai (South Africa)
The European Zoological Journal, 2021 In Gansbaai (South Africa), at Dyer Island Nature Reserve, a large White shark population is present and can be observed due to the support of local ecotourism operators authorised to reach the field observation sites.
P. Micarelli +5 more
doaj +1 more source
Diversity, 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