Most of the dangerous sharks in the world belong to the requiem family (Carcharinhidae). Of the 52 member species, about two dozen are dangerous to people. It's hard to tell the requiem sharks apart, so not everyone agrees on which species have actually killed people. There's no doubt about these:
The tiger shark (Galeocerdo cuvier)has killed surfers, divers, and the victims of shipwrecks.
The bull shark (a.k.a. Zambezi shark, Lake Nicaragua shark; Carcharhinus leucas) occasionally takes people...
Published on January 08, 2010 05:20