SAN FRANCISCO (CBS/AP) — Experts say a cluster of some 20 great white sharks was recently spotted by the U.S. Coast Guard off Pacifica and San Francisco’s Ocean Beach.
The San Francisco Chronicle reports Saturday the sharks were seen swimming together last week about 100 yards offshore near the city of Pacifica.READ MORE: Downsized But Not Out, Dreamforce Conference Set to Boost Business in San Francisco
Gulf of the Farallones National Marine Sanctuary spokeswoman Mary Jane Schramm says two Coast Guard helicopters flying 500 feet above the ocean spotted the group on Oct. 16.READ MORE: Emmy Awards: 'The Crown' Dominates with Seven Wins
Schramm says most of the sharks were between 10 and 15 feet long and a couple of them were about 18 feet long.
The region’s sharks can grow up to 21 feet and weigh as much as 7,000 pounds. They typically return from the deep ocean to feed at the Farallon Islands this time of year.MORE NEWS: Flames Reach Ancient Sequoias; Crews in Pitched Battle to Save Giant Forest Grove
TM and © Copyright 2015 CBS Radio Inc. and its relevant subsidiaries. CBS RADIO and EYE Logo TM and Copyright 2015 CBS Broadcasting Inc. Used under license. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. The Associated Press contributed to this report