Bryan Legare

Doctoral Intern, Environmental Conservation


Advisors: Andy Danylchuk and Greg Skomal (MA DMF)

Fine-scale shallow water movements of White Sharks (Carcharodon carcharias) on Cape Cod, Massachusetts

The white shark (Carcharodon carcharias) is the largest predatory fish in the world. As white shark populations in the Atlantic Northwest rebuild, a predictable seasonal aggregations takes place along Cape Cod, Massachusetts. White sharks pose a risk to public safety as human and white shark interactions are on the rise. Information on the fine-scale spatiotemporal use of shallow water habitat is necessary to inform managers and the public. We will quantify the movements of white sharks using a dense array of acoustic receivers at beaches along Cape Cod, Massachusetts. Using virtual positioning, sharks will be tracked in water depths of 1-10 m and movements will be associated to the abiotic and biotic conditions present.


  • Center for Coastal Studies
  • State of Massachusetts
  • Town of Truro


Legare B, Skomal G, DeAngelis B (2018) Diel movements of the blacktip shark (Carcharhinus limbatus) in a Caribbean Nursery. Environmental Biology of Fishes 101(6): 1011-1023

Borrelli M, Fox SE, Shumchenia EJ, Kennedy CG, Oakley BA, Hubeny JB, Love H, Smith TL, Legare B, Mittermayr A, Giese GS, (2019 in press) Submerged Marine Habitat Mapping, Cape Cod National Seashore: A Post-Hurricane Sandy Study, Natural Resource Report, NPS/XXXX/NRR—2019/XXX. National Park Service, Fort Collins, CO.

Legare B, and Mace C, (2017) Mapping and Classifying Eastern Oyster (Crassostrea virginica) Habitat in Copano Bay, Texas, by Coupling Acoustic Technologies. Journal of Coastal Research. DOI: 10.2112/JCOASTRES-D-15-00205.1

Legare B, Kneebone J, DeAngelis B, and Skomal G, (2015) The spatiotemporal dynamics of habitat use by blacktip (Carcharhinus limbatus) and lemon (Negaprion brevirostris) sharks in nurseries of St. John, United States Virgin Islands. Marine Biology 162(3):699-716.

Pittman SJ, Monaco ME, Friedlander AM, Legare B, Nemeth RS, et al. (2014) Fish with Chips: Tracking Reef Fish Movements to Evaluate Size and Connectivity of Caribbean Marine Protected Areas. PLoS ONE 9(5): e96028. doi:10.1371/journal.pone.0096028

Fuda KM, Smith BM, Lesser MP, Legare BJ, Breig HR, Stack RB, Berlinsky DL, (2007) The effects of environmental factors on rainbow smelt Osmerus mordax embryos and larvae. Journal of Fish Biology 71 (2), 539-549