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Migratory Patterns and Habitat Use of the Sand Tiger Shark (Carcharias taurus) in the Western North Atlantic
Marine and Freshwater Research
  • Shara Marie Teter, Nova Southeastern University
  • Bradley M. Wetherbee, Nova Southeastern University; University of Rhode Island
  • Dewayne A. Fox, Delaware State University
  • Chi H. Lam, University of Southern California
  • Dale A. Kiefer, University of Southern California
  • Mahmood S. Shivji, Nova Southeastern University
Document Type
Publication Date
  • Acoustic telemetry,
  • Essential habitat,
  • Satellite telemetry,
  • Vertical and horizontal movements
Globally, population declines for the sand tiger shark (Carcharias taurus) have resulted in calls for informed management of populations, including in the western North Atlantic, where they have been listed as a Species of Concern by NOAA Fisheries. However, information on movements and habitat use, critical for informed management of this sand tiger population, is limited. We investigated horizontal and vertical movements of sand tigers along the US east coast using pop-up archival satellite transmitters, supplemented by acoustic telemetry. Thirteen sand tiger sharks were tagged with satellite and acoustic transmitters in Delaware Bay in late August and early September 2008. Ten of these provided satellite data for horizontal tracks using a Kalman filter. Males left Delaware Bay in autumn and moved south along the continental shelf until reaching waters off North Carolina. Females moved east to waters near the edge of the continental slope. Average depth of males was positively correlated with shark size. All individuals spent at least 95% of their time in waters of 17–23°C. Sand tiger sharks appear most susceptible to fisheries in November and December. Slight expansion of the boundaries and timing of an existing shark-directed bottom longline area closure would likely reduce by-catch of sand tiger sharks and enhance recovery of the stock.

Journal compilation © CSIRO 2015

Additional Comments

NOAA-NMFS Proactive Species Conservation Program grant #: NA09NMF4720365

Citation Information
Shara Marie Teter, Bradley M. Wetherbee, Dewayne A. Fox, Chi H. Lam, et al.. "Migratory Patterns and Habitat Use of the Sand Tiger Shark (Carcharias taurus) in the Western North Atlantic" Marine and Freshwater Research Vol. 66 Iss. 2 (2014) p. 158 - 169 ISSN: 1323-1650
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