Reports on the Progress of Recovery Document Implementation

Report on the Progress of Recovery Strategy Implementation for the Basking Shark (Cetorhinus maximus) in Canada for the Period 2011 to 2016

The Pacific population of Basking Shark is threatened by various anthropogenic sources. The main threats identified for the Basking Shark include entanglement, collision with vessels, harassment from marine-based activities, and prey availability. The key factors limiting the recovery and survival of Basking Sharks are their long-life (~50 years), slow growth and maturation, and low fecundity, which lead to overall low productivity. The decline of the Pacific population of Basking Shark is primarily due to human-caused mortality, which occurred predominantly between 40 and 70 years ago. Even in the absence of human-induced mortality, Basking Shark populations grow very slowly.


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SARA Directorate
Department of Fisheries and Oceans
200 Kent St.
Ottawa, ON
K1A 0E6
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