Results 41 to 50 of about 4,156 (127)

Ecological insights to inform management of shark catches in Muncar, Indonesia

open access: yesOryx
Shark populations face global declines, primarily as a result of overfishing. These declines threaten marine ecosystems and require urgent conservation attention.
Osmaleli Osmaleli   +8 more
doaj   +1 more source

Characterization of 35 new microsatellite markers for the blacktip reef shark (Carcharhinus melanopterus) and cross-species amplification in eight other shark species

open access: yes, 2023
International audienceBackgroundShark species are overfished at a global scale, as they are poached for the finning industry or are caught as bycatch. Efficient conservation measures require fine-scale spatial and temporal studies to characterize shark ...
Tardy, Céline   +3 more
core   +1 more source

Drone-Based High-Resolution Tracking of Aquatic Vertebrates

open access: yesDrones, 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   +2 more
doaj   +1 more source

Physiological response and immediate mortality of gill-net-caught blacktip reef sharks (Carcharhinus melanopterus)

open access: yes, 2017
To investigate factors contributing to immediate mortality in gill-net-caught elasmobranchs, we caught and blood sampled a total of 64 sharks and rays.
Terence I. Walker   +3 more
core   +1 more source

Optimizing a Novel eDNA‐Based Framework for Reef Fish Biodiversity Monitoring Using an Autonomous Filtration System and in situ Nanopore Sequencing

open access: yesEcology and Evolution, Volume 16, Issue 3, March 2026.
This study presents a comprehensive eDNA metabarcoding protocol optimized for monitoring fish biodiversity in coral reefs and other remote marine environments. By combining an autonomous underwater filtration system, Oxford Nanopore sequencing, and a 12S reference database specifically developed for French Polynesia, the method enables efficient and ...
Lucie Cartairade   +5 more
wiley   +1 more source

Figure 2. Two C in First photographic inland record of blacktip reef sharks Carcharhinus melanopterus (Carcharhiniformes: Carcharhinidae) in Indonesian waters

open access: yes, 2019
Figure 2. Two C. melanopterus caught by local people on 6 March 2019 in Sentani, Papua province, Indonesia (Photo: Gloria Setyvani Putri).Published as part of Iqbal, Muhammad, Saputra, Rio Firman, Setiawan, Arum & Yustian, Indra, 2019, First photographic
Iqbal, Muhammad   +3 more
core   +1 more source

Plasma cortisol and 11-ketotestosterone enzyme immunoassay (EIA) kit validation for three fish species: the orange clownfish Amphiprion percula, the orangefin anemonefish Amphiprion chrysopterus and the blacktip reef shark Carcharhinus melanopterus

open access: yes, 2010
International audienceCommercially available enzyme immunoassay (EIA) kits were validated for measuring steroid hormone concentrations in blood plasma from three fish species: the orange clownfish Amphiprion percula, the orangefin anemonefish Amphiprion ...
Galzin, René   +2 more
core   +6 more sources

The Overlooked Threat of Global Warming on Elasmobranch Fertility

open access: yesFish and Fisheries, Volume 27, Issue 1, Page 41-55, January 2026.
ABSTRACT Climate change is increasingly recognised as a critical threat to global biodiversity, yet its impacts on reproductive processes remain poorly understood in many marine taxa. Elasmobranchs (sharks, skates and rays) represent a particularly vulnerable group due to their peculiar life histories, low fecundity, and diverse reproductive modes.
Noémie Coulon   +3 more
wiley   +1 more source

Similar bacterial communities on healthy and injured skin of black tip reef sharks

open access: yesAnimal Microbiome, 2019
Background Sharks are in severe global decline due to human exploitation. The additional concern of emerging diseases for this ancient group of fish, however, remains poorly understood. While wild-caught and captive sharks may be susceptible to bacterial
Claudia Pogoreutz   +7 more
doaj   +1 more source

Carcharhinus cautus

open access: yes, 2018
Carcharhinus cautus (Whitley, 1945) Nervous Shark Galeolamna greyi cauta Whitley, 1945: 2, Fig. 2. Holotype AMS IB.1622 (teeth and skin). Type locality: Shark Bay, Western Australia.
White, William T., Ko'Ou, Alfred
core   +1 more source

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