The Sperm Whales Off Dominica Refused to Dive in 2004 — Something Was Below Them

For two days in 2004, a family of sperm whales off Dominica hung at the surface and refused to dive — starving rather than go down. The deepest-diving hunters on Earth had pulled into a tight defensive ring, calf in the center, every head turned down at the deep instead of out at the sea. No orca ever surfaced in two days of flat calm — but a sounder painted a single large mass holding station 500 meters directly below them, and it moved when they moved. When one male finally descended, his trace merged with it on the screen, and he came up fast and silent with four fresh scars down his flank that matched nothing known. If the animal that rules the deep looked beneath itself and would not go down, what is the master of the abyss afraid of in its own house?