Results 31 to 40 of about 1,598 (178)

Drivers of variation in occurrence, abundance, and behaviour of sharks on coral reefs

Scientific Reports, 2022
Quantifying the drivers of population size in reef sharks is critical for the development of appropriate conservation strategies. In north-west Australia, shark populations inhabit coral reefs that border growing centres of human population, industry ...
E. Lester, T. Langlois, I. Lindgren, M. Birt, T. Bond, D. McLean, B. Vaughan, T. H. Holmes, M. Meekan   +8 more
doaj   +1 more source

Spatial and temporal analysis of juvenile blacktip reef shark (Carcharhinus melanopterus) demographies identifies critical habitats

Journal of Fish Biology, 2023
AbstractReef shark species have undergone sharp declines in recent decades, as they inhabit coastal areas, making them an easy target in fisheries (i.e., sharks are exploited globally for their fins, meat, and liver oil) and exposing them to other threats (e.g., being part of by‐catch, pollution, and climate change). Reef sharks play a critical role in
Kim B. Eustache, Emiel van Loon, Jodie L. Rummer, Serge Planes, Isabel Smallegange   +4 more
openaire   +3 more sources

Blacktip reefshark (Carcharhinus melanopterus) individual’s identification in Morotai waters using its fin’s natural markings [PDF]

AIP Conference Proceedings, 2019
As part of conservation means, ecotourism on shark watching activities has been popular for the last 10 – 25 years. Achieving rank fourth in the shark tourism world, shark watching tourism in Indonesia begins to play as an economically important for gross national products (GDPs). Morotai, as one of the prominent shark diving and shark research site in
Darmawan Ahmad Mukharror, Dewi Susiloningtyas, Tuty Handayani, Niomi Pridina   +3 more
openaire   +1 more source

Behaviour of mesopredatory coral reef fishes in response to threats from sharks and humans

Scientific Reports, 2023
Both sharks and humans present a potentially lethal threat to mesopredatory fishes in coral reef systems, with implications for both population dynamics and the role of mesopredatory fishes in reef ecosystems.
A. Asunsolo-Rivera, E. Lester, T. Langlois, B. Vaughan, M. I. McCormick, S. D. Simpson, M. G. Meekan   +6 more
doaj   +1 more source

At the Turn of the Tide: Space Use and Habitat Partitioning in Two Sympatric Shark Species Is Driven by Tidal Phase

Frontiers in Marine Science, 2020
Coexistence of ecologically similar species occupying the same geographic location (sympatry) poses questions regarding how their populations persist without leading to competitive exclusion.
James S. E. Lea, James S. E. Lea, James S. E. Lea, Nicolas E. Humphries, Jenny Bortoluzzi, Jenny Bortoluzzi, Ryan Daly, Ryan Daly, Ryan Daly, Rainer G. von Brandis, Ela Patel, Evan Patel, Christopher R. Clarke, David W. Sims, David W. Sims, David W. Sims   +15 more
doaj   +1 more source

Parasitic nematodes of marine fishes from Palmyra Atoll, East Indo-Pacific, including a new species of Spinitectus (Nematoda, Cystidicolidae) [PDF]

ZooKeys, 2019
Here, we present the results of a taxonomic survey of the nematodes parasitizing fishes from the lagoon flats of Palmyra Atoll, Eastern Indo-Pacific. We performed quantitative parasitological surveys of 653 individual fish from each of the 44 species ...
David González-Solís, Lilia C. Soler-Jiménez, M. Leopoldina Aguirre-Macedo, John P. Mclaughlin, Jenny C. Shaw, Anna K. James, Ryan F. Hechinger, Armand M. Kuris, Kevin D. Lafferty, Víctor M. Vidal-Martínez   +9 more
doaj   +3 more sources

Effects of protection on large-bodied reef fishes in the western Indian Ocean. [PDF]

Conserv Biol
Abstract Predatory and large‐bodied coral reef fishes have fundamental roles in the functioning and biodiversity of coral reef ecosystems, but their populations are declining, largely due to overexploitation in fisheries. These fishes include sharks, groupers, Humphead wrasse (Cheilinus undulatus), and Green Humphead parrotfish (Bolbometopon muricatum).
Samoilys M, Osuka KE, Roche R, Koldewey H, Chabanet P.   +4 more
europepmc   +2 more sources

On the Movements of the Blacktip Reef Shark (Carcharhinus melanopterus)

, 2023
One challenge in studying the natural behaviour of wild animals is the requirement of detailed observations spanning extended periods of time, which is particularly difficult in the case of sharks. As a result, remote sensing technologies are increasingly employed in which the data received is considerably simplified.
openaire   +1 more source

Home range of newborn blacktip reef sharks (Carcharhinus melanopterus), as estimated using mark-recapture and acoustic telemetry [PDF]

Coral Reefs, 2020
Sharks play important functional roles in coral reef ecosystems. Studying reef shark populations’ spatial ecology also contributes important data for effective conservation planning. The purpose of this study was to define the home range of neonatal blacktip reef sharks (Carcharhinus melanopterus) around Moorea, French Polynesia, and compare estimates ...
Ian A. Bouyoucos, Martin Romain, Lorine Azoulai, Kim Eustache, Johann Mourier, Jodie L. Rummer, Serge Planes   +6 more
openaire   +3 more sources

Additions to a revision of the shark genus Carcharhinus: Synonymy of Aprionodon and Hypoprion, and description of a new species of Carcharhinus (Carcharhinidae) [PDF]

, 1985
Features of the valid nominal species of Aprionodon Gill (isodon Valenciennes) and Hypoprion Muller and Henle (hemiodon Valenciennes, macloti Muller and Henle, and signatus Poey), plus those of a previously unrecognized species here described as ...
Garrick, J. A. F.
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