Sitting up alongside their human counterparts, the dogs are trained to recognize signs of drowning. When they see someone in trouble, they paddle out to the swimmer, ideally together with their human partners, though they can also go it alone. The distressed swimmer can grab hold of the dog, which will then paddle back to safety with the would-be drowner in tow, or the dog will drag the swimmer in with its teeth, tugging him ashore by his arm, shirt or bathing suit. “If need be, the dogs are strong enough to pull in three people holding on to each other, or a raft with three people on it,” boasts Piccinelli.

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