Encounter rates with immature bluntnose sixgill sharks at a shallow site in the Strait of Georgia have decreased significantly (>90%) over the last five years based on video surveillance and anecdotal diving records (Dunbrack pers. comm. 2006; Heath pers. comm.
100) au cours des cinq dernières années (Dunbrack, comm. pers., 2006; Heath, comm. pers., 2006).