Activity of Victim & Others

Diving Activity of Unprovoked Shark Attack Victims

1820-Present

This figure shows victims' various diving activities at the time of attack. SCUBA divers are attacked the most frequently of any category of diving recreationalists. This tendency is most likely due to the fact that SCUBA diving is the most popular form of subsurface recreation, followed by free diving. Of 222 cases (N=222).

Last updated: June 21, 2013

Activities of Others in the Area of Unprovoked Attacks on Divers

1820-Present

Of 125 cases (N=125) of at least one of the activities going on; individuals may be represented in more than one category. These data list the various activities going on in the water near a shark attack.

ActivityAttack (#)
Diving 99
Normal Bathing/Swimming 11
Wading 7
Splashing or Horseplay 4
Surfing 3
Boating 1
Being Unusually Loud 1
Thrashing or Flailing 1

Updated June 24, 2013

Diver's Time in Water Prior to Unprovoked Shark Attack

1938-Present

As you can see, many of the attacks on divers occurred less than one hour after entering the water. This is mostly due to the fact that divers do not spend as long in the water compared to other water activities. The next graphs depict the activities of divers being struck less than an hour after entry into the water and more than an hour after entry into the water. Of 45 cases (N=45).

Last updated: June 21, 2013

Activities of Divers Struck Less Than an Hour After Entering Water

1938-Present

These are the relative percentages of divers who participate in the listed activities who were attacked less than an hour after entry into the water. Of 42 cases (N=42).

Last updated: June 21, 2013

Activities of Divers Struck More Than an Hour After Entering Water

1966-present

These are the relative percentages of divers who participate in the listed activities who were attacked over an hour after entering the water. Of 4 cases (N=4).

Last updated: June 21, 2013

Time of Unprovoked Shark Attacks on Divers

1936-Present

This graph reflects the behavior patterns of humans. Nearly all shark attacks occur between 9:00 AM and 6:00 PM and during the weekend, NOT because of the shark's daily activity cycles, but because these are the times of the day when divers go out in the water. Of 109 cases (N=109).

Last updated: June 19, 2013

Unprovoked Shark Attacks on Divers by Day of the Week

1925-Present

These graphs reflect the behavior patterns of humans. Most shark attacks on divers occur between 9:00 AM and 5:00 PM, and during the weekend. This trend is NOT a reflection of the shark's daily activity cycles, but because these are the times when divers go out in the water. Of 156 cases (N=153).

Last updated: June 19, 2013

© International Shark Attack File
Florida Museum of Natural History, University of Florida