Bonnethead most negatively buoyant of marine vertebrates. The shark feeds primarily on crustaceans, consisting mostly of blue crabs, but also shrimp, mollusks, and small fish. Its feeding behavior involves swimming across the seafloor, moving its head in arc patterns like a metal detector, looking for minute electromagnetic disturbances produced by crabs and other creatures hiding in the sediment. Upon discovery, it sharply turns around and bites into the sediment where the disturbance was detected. If a crab is caught, the bonnethead shark uses its teeth to grind its carapace and then uses suction to swallow. To accommodate the many types of
Creature Comforts things to come in British television advertising. Many commentators believe that there was a fundamental shift in television advertising from the unbridled consumerism and egoism of the 1980s to what is sometimes termed a more "caring" approach in the 1990s. The "Creature Comforts" advertisements are cited as an early example of this phenomenon. The format of the "Creature Comforts" advertisements was so successful that it was replicated in other campaigns in the following decades. In later years, however, members of the public became increasingly conscious of the potential uses of their "vox pop" interviews. This made it difficult to recapture