Observing and measuring social behavior of great white sharks is difficult as they don't allow for easy observation especially in the often cloudy waters off Alaska. Still, evidence is mounting that indicates sharks are socially complex and benefit from these qualities. Feeding hierarchies may be established at locations with abundant prey such as seal and sealion rookeries and floating whale carcasses. An observed attack on beluga whales in Cook Inlet indicates what appeared to be a complex, cooperative attack. This is of special interest because the opaque water reduced or eliminated visual cues during the attack.
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