Results 31 to 40 of about 1,835 (173)

Blacktip Reef Shark Aggression in Moorea v1

, 2023
On the island of Moorea, French Polynesia, tourism operators have engaged in consistent elasmobranch provisioning at specific sites since the 1990s, conditioning the area’s shark and ray populations to human feeding and developing profitable lagoon tours based on close-contact elasmobranch encounters.
openaire   +1 more source

Population genetics of four heavily exploited shark species around the Arabian Peninsula. [PDF]

, 2015
The northwestern Indian Ocean harbors a number of larger marine vertebrate taxa that warrant the investigation of genetic population structure given remarkable spatial heterogeneity in biological characteristics such as distribution, behavior, and ...
Berumen, ML, Henderson, AC, Jabado, RW, Moore, ABM, Spaet, JLY   +4 more
core   +2 more sources

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

OCCURRENCE STUDY OF BLACKTIP REEF SHARK (Carcharhinus melanopterus) IN THE WATERS OF GILI PETELU, EAST LOMBOK DISTRICT

Jurnal Teknologi Perikanan dan Kelautan
Gili Petelu is one of the aggregation sites for marine species such as blacktip reef sharks. This study aims to determine the habitat characteristics of blacktip reef sharks in the waters of Gili Petelu, East Lombok Regency.
Rahman Jayawangsa, Chandrika Eka Larasati, Mahardika Rizqi Himawan, Muhammad Tezar Rafandi   +3 more
doaj   +1 more source

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

Drone-Based High-Resolution Tracking of Aquatic Vertebrates

Drones, 2018
Determining the small-scale movement patterns of marine vertebrates usually requires invasive active acoustic tagging or in-water monitoring, with the inherent behavioural impacts of those techniques.
Vincent Raoult, Louise Tosetto, Jane E. Williamson   +2 more
doaj   +1 more source

Simulated heatwave and fishing stressors alter corticosteroid and energy balance in neonate blacktip reef sharks, Carcharhinus melanopterus.

Conservation Physiology, 2021
Abstract The increasing frequency and duration of marine heatwaves attributed to climate change threatens coastal elasmobranchs and may exacerbate existing anthropogenic stressors. While the elasmobranch stress response has been well studied, the role of the unique corticosteroid—1α-hydroxycorticosterone (1α-OHB)—in energy balance is not
Schoen, Alexandra N., Bouyoucos, Ian, Anderson, W. Gary, Wheaton, Catharine J., Planes, Serge, Mylniczenko, Natalie D., Rummer, Jodie L.   +6 more
openaire   +3 more sources

Kesesuaian Habitat Bayi Hiu Karang Sirip Hitam di Taman Nasional Taka Bonerate

Jurnal Kelautan Tropis
Blacktip Reef Sharks (Carcharinus melanopterus) is one of many sharks that are found in Indo-pasific waters and currently listed as vulnerable in IUCN Redlist due to a decrease in population.
Chynta Veyra Aulia Sudono, Feni Iranawati, Asri Asri, Defri Yona   +3 more
doaj   +1 more source

Field guide to requiem sharks (Elasmobranchiomorphi: Carcharhinidae) of the Western North Atlantic [PDF]

, 2001
Identification problems are common for many sharks due to a general lack of meristic characteristics that are typically useful for separating species. Other than number of vertebrae and number and shape of teeth, identifications are frequently based on ...
Grace, Mark
core  

Insights into the structure of grey reef shark aggregation, Carcharhinus amblyrhynchos (Bleeker, 1856), in two distinct channels of the Maldivian archipelago, Indian Ocean

Journal of Fish Biology, EarlyView.
Abstract The grey reef shark Carcharhinus amblyrhynchos is one of the most frequently encountered reef‐associated shark species in the Maldives, yet very little is known about its local size structure or population dynamics. This study provides new insights into two aggregations of C.
Andrea Parmegiani, Jacopo Gobbato, Rilwan Yoosuf, Davide Seveso, Paolo Galli, Andrew Darren Whitehead, Yameen Ismail, Simone Montano   +7 more
wiley   +1 more source