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Disappearance of white sharks leads to the novel emergence of an allopatric apex predator
Disappearance of white sharks leads to the novel emergence of an allopatric apex predator, the sevengill shark Neil Hammerschlag, Lacey Williams, Monique Fallows, Chris Fallows ABSTRACT: Despite global declines of apex predatory sharks, evidence for ecosystem consequences remains limited and debated. This is likely a result of both the logistical difficulties of measuring such processes
Shark aggregation and tourism near the Israeli Mediterranean coast
Shark aggregation and tourism: opportunities and challenges of an emerging phenomenon Z. Zemah Shamir, S. Zemah Shamir, D. Tchernov, A. Scheinin, N. Becker ABSTRACT: In the last few winters, shark communities have been aggregating near the Israeli Mediterranean coast, at a specific point, near Hadera power station. This unusual phenomenon has fascinated residents, visitors, kayakers,
Clasper Morphology of the Japanese Sawshark
Clasper Morphology of the Japanese Sawshark, Pristiophorus japonicus Günther, 1870 (Chondrichthyes: Elasmobranchii) Renan A. Moreira, Marcelo R. de Carvalho ABSTRACT: Sawsharks (Pristiophoriformes) are slender, medium‐sized sharks with elongated, saw‐like snouts, and include the monotypic Pliotrema and Pristiophorus with seven species. The phylogenetic position of sawsharks is still problematic as phylogenetic hypotheses based on morphological and
Using DNA Barcoding to Investigate Patterns of Species Utilisation in UK Shark Products
Using DNA Barcoding to Investigate Patterns of Species Utilisation in UK Shark Products Reveals Threatened Species on Sale Catherine A. D. Hobbs, Robert W. A. Potts, Matthew Bjerregaard Walsh, Jane Usher, Andrew M. Griffiths ABSTRACT: Many shark populations are in decline, primarily due to overexploitation. In response, conservation measures have been applied at differing scales,