Author Archive

From the German Bight into the deep sea: The amazing migration of tope

From the German Bight into the deep sea: The amazing migration of tope

Press Release Johann Heinrich von Thünen InstituteFederal Research Institute forRural Areas, Forestry and Fisheries 07. February 2022 — — — — — — — Scientists from the Thünen Institute of Sea Fisheries have demonstrated for the first time that the domestic shark species displays a profound change in swimming behavior when migrating from the shallow

Extensive oceanic mesopelagic habitat use of a migratory continental shark species

Extensive oceanic mesopelagic habitat use of a migratory continental shark species

Extensive oceanic mesopelagic habitat use of a migratory continental shark species Matthias Schaber, Sven Gastauer, Boris Cisewski, Nicole Hielscher, Michael Janke, Marian Peña, Serdar Sakinan & James Thorburn ABSTRACT: The identification of movement and behaviour patterns, as well as inter- and intra-population connectivity is crucial in order to implement effective and functional management and conservation

Preliminary investigation of reproductive hormone profiles in the blacktip shark

Preliminary investigation of reproductive hormone profiles in the blacktip shark

Preliminary investigation of reproductive hormone profiles in the blacktip shark (Carcharhinus limbatus), a placental viviparous species, in southern Florida Hannah J. Verkamp, Neil Hammerschlag, James Quinlan, Joseph A. Langan, James A. Sulikowski ABSTRACT: Accurate reproductive information is crucial for the effective management of sharks. Here, we used non-lethal methods to evaluate reproductive hormone profiles of

Sydney: Human remains found following reports of shark attack – Malabar

Sydney: Human remains found following reports of shark attack – Malabar

Press Release NSW Police Force 16 February 2022 Police are investigating after reports of a shark attack in Sydney’s east today. About 4.35pm (Wednesday 16 February 2022), emergency services were called to the vicinity of Buchan Point, Malabar, after receiving a report that a shark attacked a swimmer in the water. Officers attached to Eastern

Varying reef shark abundance trends inside a marine reserve

Varying reef shark abundance trends inside a marine reserve

Varying reef shark abundance trends inside a marine reserve: evidence of a Caribbean reef shark decline Kathryn I. Flowers, Elizabeth A. Babcock, Yannis P. Papastamatiou, Mark E. Bond, Norlan Lamb, Ashbert Miranda, Randolph Nuñez, Jasmine Valentin-Albanese, Gina M. Clementi, Megan C. Kelley, Demian D. Chapman ABSTRACT: Spatial comparisons of reef shark abundance inside and outside

A new record of the rare Bigeye Sand Tiger shark from the northwestern Pacific

A new record of the rare Bigeye Sand Tiger shark from the northwestern Pacific

A new record of the rare Bigeye Sand Tiger shark Odontaspis noronhai Maul, 1955 (Lamniformes: Odontaspididae) from the northwestern Pacific, with notes on dentition NG, S.-L. ., YU, C.-J. ., SU, S.-H. ., & JOUNG, S.-J. ABSTRACT: In the Pacific Ocean, the rare Bigeye Sand Tiger shark Odontaspis noronhai has only been recorded twice, once

Whale sharks feed on baitfish with other predators at Ningaloo Reef

Whale sharks feed on baitfish with other predators at Ningaloo Reef

Whale sharks (Rhincodon typus) feed on baitfish with other predators at Ningaloo Reef E. Lester, T. Cannon, S. Lawrence, J. Wilton, G. Araujo ABSTRACT: We provide rare in-water evidence of whale sharks feeding on baitballs in the presence of other predators. Our observations provide evidence of the complexity of whale shark feeding behaviour and provide

Unravelling the taxonomy of the gulper shark genus Centrophorus in the Mediterranean Sea

Unravelling the taxonomy of the gulper shark genus Centrophorus in the Mediterranean Sea

Call me by my name: unravelling the taxonomy of the gulper shark genus Centrophorus in the Mediterranean Sea through an integrated taxonomic approach Andrea Bellodi, Anna Benvenuto, Riccardo Melis, Antonello Mulas, Monica Barone, Claudio Barría, Alessia Cariani, Laura Carugati, Archontia Chatzispyrou, Monique Desrochers, Alice Ferrari, Javier Guallart, Farid Hemida, Cecilia Mancusi, Carlotta Mazzoldi, Sergio Ramírez-Amaro,

Behavioural plasticity and the realised thermal niche of basking sharks

Behavioural plasticity and the realised thermal niche of basking sharks

Cool runnings: behavioural plasticity and the realised thermal niche of basking sharks E. M. Johnston, J. D. R. Houghton, P. A. Mayo, G. K. F. Hatten, A. P. Klimley & P. J. Mensink ABSTRACT: Long-distance migrations by marine vertebrates are often triggered by pronounced environmental cues. For the endangered basking shark (Cetorhinus maximus), seasonal changes

Video: Great White Shark caught off Djerba, Tunisia

Extinction risk, reconstructed catches, and management of chondrichthyan fishes in the Western Central Atlantic Ocean

Extinction risk, reconstructed catches, and management of chondrichthyan fishes in the Western Central Atlantic Ocean

Extinction risk, reconstructed catches, and management of chondrichthyan fishes in the Western Central Atlantic Ocean Brendan S. Talwar, Brooke Anderson, Cristopher G. Avalos-Castillo, María del Pilar Blanco-Parra, Alejandra Briones, Diego Cardeñosa, John K. Carlson, Patricia Charvet, Charles F. Cotton, Zoe Crysler, Danielle H. Derrick, Michael R. Heithaus, Katelyn B. Herman, Olga Koubrak, David W. Kulka,

Population genetics at two whale shark aggregations in the western Indian Ocean

Population genetics at two whale shark aggregations in the western Indian Ocean

Pieces in a global puzzle: Population genetics at two whale shark aggregations in the western Indian Ocean Royale S. Hardenstine, Song He, Jesse E. M. Cochran, Camrin D. Braun, Edgar Fernando Cagua, Simon J. Pierce, Clare E. M. Prebble, Christoph A. Rohner, Pablo Saenz-Angudelo, Tane H. Sinclair-Taylor, Gregory B. Skomal, Simon R. Thorrold, Alexandra M.

AUS: Fremantle Council to consider shark fishing law

AUS: Fremantle Council to consider shark fishing law

Media Release City of Fremantle, Western Australia 07 February 2022 — — — — — — — Fremantle Council will this week consider introducing measures to ban shark fishing at popular swimming beaches. On Wednesday the council’s Finance, Policy, Operations and Legislation Committee will vote on whether to initiate an amendment to the City of

Thermally insensitive physiological performance allows neonatal sharks to use coastal habitats as nursery areas

Thermally insensitive physiological performance allows neonatal sharks to use coastal habitats as nursery areas

Thermally insensitive physiological performance allows neonatal sharks to use coastal habitats as nursery areas Ian A. Bouyoucos, Colin A. Simpfendorfer, Serge Planes, Gail D. Schwieterman, Ornella C. Weideli, Jodie L. Rummer ABSTRACT: Coastal sharks can use shallow, nearshore habitats as nursery areas, which is a behaviour that may increase fitness. The ecological benefits of shark

Dermal denticle shedding rates vary between two captive shark species

Dermal denticle shedding rates vary between two captive shark species

Dermal denticle shedding rates vary between two captive shark species Erin M. Dillon, Anshika Bagla, Kiera D. Plioplys, Douglas J. McCauley, Kevin D. Lafferty, Aaron O’Dea ABSTRACT: Shark dermal scale (denticle) accumulation in the fossil record can provide information about the abundance and composition of past shark communities. Denticles are shed continuously, such that a