About the Shark Research Committee

Guest Speaker
Media Consultant

Pacific Coast
Shark News

Sharks of the Pacific Coast

White Shark Biosketch

Distribution and Diet of Pacific Coast White Sharks

Predatory Behavior of Pacific Coast White Sharks

Shark/Human Interactions Along the Pacific Coast

Pacific Coast
Shark Attack

Fatal Pacific Coast Shark Attacks
1900  —  Present

Shark Attacks Along the Pacific Coast - 2000 —

Shark Attacks Along the Pacific Coast - 1990s

Case Histories of Unprovoked White Shark Attacks:


White Shark Interactions with Inanimate Objects


Shark Encounters:

White Shark Encounters Along the Pacific Coast

Soupfin Shark Encounter

Reporting Forms:

  Shark Attack

  Shark Encounter

  Shark Predation

Shark Web Sites:

Recommended Links

'Save the Sharks — Save the Oceans' ™


Collier, Ralph S. (1964). Report on a recent shark attack off San Francisco, California. California Fish & Game. 50 (4): 261-264.

Miller, Daniel J., and Ralph S. Collier (1981). Shark Attacks in California and Oregon, 1926-1979. California Fish & Game. 67 (2): 76-104.

Collier, R. S. (1992). Recurring attacks by White Sharks on divers at two Pacific sites off Mexico and California. Environmental Biology of Fishes. 33: 319-325.

Collier, R. S. (1993). Shark attacks off the California islands: review and update. Third California Islands Symposium: Recent Advances in Research on the California Islands. F. G. Hochberg (editor). Santa Barbara Museum of Natural History, Santa Barbara, California. pp. 453-462.

Collier, R. S., Mark Marks and Ronald W. Warner (1996). White Shark Attacks on Inanimate Objects Along the Pacific Coast of North America. In: Great White Sharks: biology of Carcharodon carcharias. A. Peter Klimley and David Ainley (editors). Academic Press. pp. 217-222.

Collier, R.S. (2003). Suggested protocol for the scientific investigation of shark attacks. In: Field Guide to the Great White Shark. R. Aidan Martin. ReefQuest Centre for Shark Research, Special Publication No. 1. Vancouver. B. C. pp.152-159.

Collier, R.S. (2003). Shark Attacks of the Twentieth Century: from the Pacific Coast of North America. Scientia Publishing, LLC. 296 pp.

Martin, R. Aidan, Neil Hammerschlag, Ralph S. Collier and Chris Fallows (2005). Predatory behaviour of white sharks (Carcharodon carcharias) at Seal Island, South Africa. Journal of the Marine Biological Association of the United Kingdom. pp. 1121-1135.

Neil Hammerschlag, R. Aidan Martin, Chris Fallows, Ralph S. Collier, and Rob Lawrence (2012). Investigatory Behavior toward Surface Objects and Nonconsumptive Strikes on Seabirds by White Sharks, Carcharodon carcharias, at Seal Island, South Africa (1997-2010). In: Global Perspectives on the Biology and Life History of the White Shark. Michael L Domeier (editor). CRC Press. pp. 91-104.

Levine, Marie, Ralph S. Collier, Erich Ritter, Moustafa Fouda, and Vincent Canabal (2014). Shark Cognition and a Human Mediated Driver of a Spate of Shark Attacks. Open Journal of Animal Sciences (4). pp. 263-269.

Swig, Bryan and Ralph S. Collier (2023). Novel method for the extraction of DNA from Lamniformes tooth and denticle enamel Suitable for PCR. Dent Res Oral Health 2023; 6 (1):111-117.

Currie, A. and Collier, R. (2023) First Recorded Account of a White Shark Agonistic Pectoral Fin Depression Behavior at Guadalupe Island, Mexico. Open Journal of Animal Sciences13, 263-271. doi: 10.4236/ojas.2023.133019.

The material contained on this Web site is shared as a public service and to further the scientific goals of the Shark Research Committee.  All text and images on this Web site are the exclusive property of the Shark Research Committee.  Information on this Web site may be used for private study, but may not otherwise be published, duplicated, or modified in any way without the prior written permission of Ralph S. Collier.