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International Shark Attack File

Statistics of Shark Attacks on Divers


shark numbers


The data presented above are reflective of the number of sharks that will attack at any given time. The majority of attacks on divers are by solitary sharks (most shark species are solitary).
Last updated: May 18, 2009



shark length


The graph above reflects the varying lengths of sharks that attack divers. The greatest percentage of attacks come from sharks that are between 5 and 8 feet in length. This is because the most common sharks in the waters where people dive are in this length range.
Last updated: May 18, 2009



SPECIES OF SHARKS IMPLICATED IN ATTACKS ON DIVERS (N=150)
Common Name Scientific Name Attacks (%) Attacks (#)
White Carcharodon carcharias 32.7 49
Tiger Galeocerdo cuvier 14.0 21
Requiem Carcharhinus spp. 6.7 10
Bull Carcharhinus leucas 5.3 8
Grey Reef Carcharhinus amblyrhynchos 4.0 6
Sand Tiger Carcharias taurus 3.3 5
Nurse Ginglymostoma cirratum 3.3 5
Blacktip Carcharhinus limbatus 3.3 5
Wobbegong Orectolobus spp 3.3 5
Oceanic Whitetip Carcharhinus longimanus 2.7 4
Caribbean Reef Carcharhinus perezi 2.7 4
Shortfin Mako Isurus oxyrinchus 2.0 3
Blue Prionace glauca 2.0 3
Lemon Negaprion brevirostris 2.0 3
Silky Carcharhinus falciformis 1.3 2
Blacktip Reef Carcharhinus melanopterus 1.3 2
Sandbar Carcharhinus plumbeus 1.3 2
Whitetip Reef Triaenodon obesus 1.3 2
Broadnose Sevengill Notorhynchus cepedianus 1.3 2
Wobbegong Orectolobus maculatus 1.3 2
Hammerhead Sphyrna spp. 0.7 1
Bronze Whaler Carcharhinus brachyurus 0.7 1
Porbeagle Lamna nasus 0.7 1
Dusky Carcharhinus obscurus 0.7 1
Tope Galeorhinus galeus 0.7 1
Mako Isurus spp. 0.7 1
Leopard Triakis semifasciata 0.7 1



The above chart indicates the attacking species of sharks that have been identified in shark attacks on divers. White sharks were identified in the greatest percentage of attacks on divers; the tiger sharks were identified in the second greatest percentage of attacks on divers. These sharks are easy to identify and therefore are more commonly reported.


Last updated: May 19, 2009

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