by Laxmi Prasad Rath, Rajesh Kumar Mohapatra, Suraj Kumar Dash, Ashaharraza Khan, Sanath Kumar N, Manoj V. Nair, Sudarsan Maharana
Abstract This study explores the diving behaviour of the critically endangered gharial (Gavialis gangeticus) to understand how these airbreathing aquatic reptiles utilise river depth for foraging, avoidance to disturbance, thermoregulation and energy conservation. Four captive-bred adult gharials (1 M:3 F; body lengths 345–384 cm) were introduced into the Mahanadi River,…
by Hector Barrios-Garrido, Abdulrazaq Alatawi, Mishari Alghrair, Abdulaziz Alkaboor, Enjey Ghazzawi, Abdulqader Khamis, Brett Lyons, Paul Marshall, Abhishekh Palaparambil Vijaya, August Santillan, Deni Porej, Winston Cowie & Ricardo O. Ramalho
Abstract Marine turtles, such as green (Chelonia mydas) and hawksbill (Eretmochelys imbricata), face numerous threats across their habitats. While they nest in the Red Sea, limited knowledge exists about their inter-nesting habitats and post-breeding movements. The NEOM Islands support ~ 95% of all documented nesting in the northeastern Red Sea,…
by Martin C. Arostegui, Danny Mears, Peter Gaube, Camrin D. Braun
Abstract The bigscale pomfret Taractichthys longipinnis is assumed to be a deep-pelagic fish that occurs primarily below 200 m but above the seafloor during the daytime. However, the lack of movement data for this and related species precludes precise ecological classification. Here, we used satellite telemetry to overcome historical methodological…
by Tobey H. Curtis, , Brittney J. Scannell, Gregory Metzger, Brianna V. Cahill, Christopher Paparo, Benjamin Galuardi , Matthew Berkhout, Walter Zublionis, Lucas Iudica, Alisa Newton, Lauran Brewster, Matthew Ajemian , Frank Quevedo, and Bradley Peterson.
Abstract Objective: Swimming at the sea surface is a behavior exhibited by numerous shark species; however, depth distributions vary considerably by species, individual behavior states, and environmental conditions. Given the growing use of aerial surveillance tools for shark population monitoring and beach safety in New York coastal waters, our objective…
by Brooke N. Anderson, Neil Hammerschlag, Steven Saul, Jon F. Dodd, Heather D. Bowlby, Yun Kang, Austin J. Gallagher, James A. Sulikowski
Abstract For highly mobile marine species such as pelagic elasmobranchs, the development of effective spatial management requires a comprehensive understanding of movement ecology. Research incorporating movement data across seasons and life stages, including reproductive states, is valuable for informing spatial management, yet is absent for most species. In the Northwest…
by Eneko Aspillaga, Stijn Bruneel, Josep Alós, Pieterjan Verhelst, David Abecasis, Kim Aarestrup, Kim Birnie-Gauvin, Pedro Afonso, Miquel Palmer & Jan Reubens
Abstract Background The lack of compatibility between acoustic telemetry equipment from different manufacturers has been a major obstacle to consolidating large collaborative tracking networks. Undisclosed encrypted signal coding protocols limit the use of acoustic telemetry to study animal movements over large spatial scales, reduce competition between manufacturers, and stifle innovation.…
by Tobey H. Curtis , Brittney J. Scannell, Gregory Metzger, Brianna V. Cahill, Christopher Paparo, Benjamin Galuardi , Matthew Berkhout, Walter Zublionis, Lucas Iudica, Alisa Newton, Lauran Brewster, Matthew Ajemian, Frank Quevedo, and Bradley Peterson.
Abstract Objective: Swimming at the sea surface is a behavior exhibited by numerous shark species; however, depth distributions vary considerably by species, individual behavior states, and environmental conditions. Given the growing use of aerial surveillance tools for shark population monitoring and beach safety in New York coastal waters, our objective…
by Brooke N. Anderson, Lauren Horstmyer, Kirsty L. Ballard, Jon F. Dodd and James A. Sulikowski
Abstract Pop-off satellite archival tags (PSATs) have been increasingly deployed on marine megafauna to remotely monitor their movements, behavior, and environmental preferences. These tags have also allowed the occasional novel documentation of ecological interactions, such as predation on tagged animals. A PSAT deployed on a pregnant porbeagle Lamna nasus in…
by Tony Candela, Jeanette Wyneken, Peter Leijen, Philippe Gaspar, Frederic Vandeperre, Terry Norton, Walter Mustin, Julien Temple-Boyer, Emily Turla, Nicole Barbour, Sean Williamson, Rui Guedes, Gonçalo Graça, Ivan Beltran, Joana Batalha, Andrea Herguedas, Davide Zailo, Vandanaa Baboolal, Francesca Casella and George L. Shillinger
Abstract After hatching, sea turtles leave the nest and disperse into the ocean. Many years later, they return to their natal coastlines. The period between their leaving and their returning to natal areas, known as the “Lost Years”, is poorly understood. Satellite tracking studies aimed at studying the “Lost Years”…