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Three-Dimensional Movements and Habitat Selection of Young White Sharks
Three-Dimensional Movements and Habitat Selection of Young White Sharks (Carcharodon carcharias) Across a Temperate Continental Shelf Ecosystem Rachel L. Shaw, Tobey H. Curtis, Gregory Metzger, Michael P. McCallister, Alisa Newton, G. Christopher Fischer, Matthew J. Ajemian ABSTRACT: As highly mobile predators with extensive home ranges, some shark species often utilize a continuum of habitats across
An annotated checklist of the chondrichthyans of South Africa
An annotated checklist of the chondrichthyans of South Africa DAVID A. EBERT, SABINE P. WINTNER, PETER M. KYNE ABSTRACT: An annotated checklist of chondrichthyan fishes (sharks, batoids, and chimaeras) occurring in South African waters is presented. The checklist is the result of decades of research and on-going systematic revisions of the regional fauna. The chondrichthyan
Determining effective acoustic array design for monitoring presence of white sharks
Determining effective acoustic array design for monitoring presence of white sharks Carcharodon carcharias in nearshore habitats Sofia M. Gabriel, T. A. Patterson, J. P. Eveson, J. M. Semmens, D. Harasti, P. A. Butcher, J. L. Y. Spaet, R. W. Bradford ABSTRACT: Inferences regarding animal presence from passive acoustic receiver arrays are driven by the spatial
An identification key for Chondrichthyes egg cases
An identification key for Chondrichthyes egg cases of the Mediterranean and Black Sea C. Mancusi, D. Massi, R. Baino, A. Cariani, V. Crobe, D. A. Ebert, A. Ferrari, C. A. Gordon, G. R. Hoff, S. P. Iglesias, A. Titone, F. Serena ABSTRACT: Chondrichthyan egg cases are important elements for species-specific identification and also provide a
Analysis of sightings of white sharks in Gansbaai
Analysis of sightings of white sharks in Gansbaai (South Africa) P. Micarelli, D. Bonsignori, L. J. V. Compagno, A. Pacifico, C. Romano, F. R. Reinero ABSTRACT: In Gansbaai (South Africa), at Dyer Island Nature Reserve, a large White shark population is present and can be observed due to the support of local ecotourism operators authorised
Summer aggregation of common eagle ray in the Marine Protected Area of the Egadi Islands
Summer aggregation of common eagle ray, Myliobatis aquila (Chondrichthyes: Myliobatidae), in the Marine Protected Area of the Egadi Islands (southwestern Tyrrhenian Sea) Grancagnolo, Desiree & Arculeo, Marco ABSTRACT: We report for the first time in Italian waters a periodic and frequent presence of a summer aggregation of common eagle ray Myliobatis aquila in the island
Specimens of the Pacific longnose chimaera in scientific collections
Specimens of the Pacific longnose chimaera Harriotta raleighana Goode & Bean 1895 from the Mexican Pacific in scientific collections of Mexico and the world Pedro Medina-Rosas, Alma Raymundo-Huizar ABSTRACT: Chimaeras are cartilaginous fish that live in waters more than 200 m deep. There are two species in the Rhinochimaeridae family, where only one, Harriotta raleighana,
Multi-year movements of adult and subadult bull sharks
Multi-year movements of adult and subadult bull sharks (Carcharhinus leucas): philopatry, connectivity, and environmental influences Rider, M.J., McDonnell, L.H. & Hammerschlag, N. ABSTRACT: Understanding the movement ecology of marine species is important for conservation management and monitoring their responses to environmental change. In this study, adult and subadult bull sharks (Carcharhinus leucas; n = 16) were acoustically
The influence of shark behavior and environmental conditions on baited remote underwater video survey results
The influence of shark behavior and environmental conditions on baited remote underwater video survey results James P. Kilfoil, Matthew D. Campbell, Michael R. Heithaus, Yuying Zhang ABSTRACT: Baited remote underwater video systems (BRUVS) have become an important and frequently used tool by resource managers to monitor relative abundances for a variety of marine species. As
High resolution biologging of breaching by basking sharks
High resolution biologging of breaching by the world’s second largest shark species Jessica L. Rudd, Owen M. Exeter, Jackie Hall, Graham Hall, Suzanne M. Henderson, Christopher Kerry, Matthew J. Witt, Lucy A. Hawkes ABSTRACT: Basking sharks, the world’s second largest fish, are endangered globally following two centuries of large-scale exploitation for their oily livers. In
A rare shark for the Mediterranean: Somniosus rostratus
A rare shark for the Mediterranean: Somniosus rostratus (Risso, 1827) (Chondrichthyes: Somniosidae) from the coast of Turkey Erhan Irmak & Uğur Özden ABSTRACT: N/A Zoology in the Middle East, DOI: 10.1080/09397140.2021.1895413 SOURCE
Industrial Fishing Near West African Marine Protected Areas
Industrial Fishing Near West African Marine Protected Areas and Its Potential Effects on Mobile Marine Predators Guido Leurs, Karin J. van der Reijden, Sidi Yahya Cheikhna Lemrabott, Iça Barry, Diosnes Manuel Nonque, Han Olff, Samuel Ledo Pontes, Aissa Regalla, Laura L. Govers ABSTRACT: Marine Protected Areas (MPAs) are increasingly implemented to facilitate the conservation of
Triennial migration and philopatry in the critically endangered soupfin shark
Triennial migration and philopatry in the critically endangered soupfin shark Galeorhinus galeus Andrew P. Nosal, Daniel P. Cartamil, Arnold J. Ammann, Lyall F. Bellquist, Noah J. Ben‐Aderet, Kayla M. Blincow, Echelle S. Burns, Eric D. Chapman, Ryan M. Freedman, A. Peter Klimley, Ryan K. Logan, Christopher G. Lowe, Brice X. Semmens, Connor F. White, Philip
Etmopterus lantern sharks use coelenterazine as the substrate for their luciferin-luciferase bioluminescence system
Etmopterus lantern sharks use coelenterazine as the substrate for their luciferin-luciferase bioluminescence system Gaku Mizuno, Daichi Yano, José Paitio, Hiromitsu Endo, Yuichi Oba ABSTRACT: The lantern shark genus Etmopterus is a group of deep-sea bioluminescent fishes. They emit blue light mainly from the ventral body surface, and the primary biological function is considered to be
Movements and site fidelity of two bull sharks at Réunion Island
Large-scale movements and site fidelity of two bull sharks Carcharhinus leucas estimated from a double-tagging experiment at Réunion Island (southwest Indian Ocean) M Soria, Y Tremblay, A Blaison, F Forget, E Crochelet & L Dagorn ABSTRACT: Since 2011, the mean number of bites per year by bull sharks Carcharhinus leucas has increased markedly at Réunion