Terror in the Deep

A 600-pound marlin spears an 18-year-old. A diver loses a thumb feeding a moray eel. Divers have to exit their shark cage when a great white invades it; Tourists aboard a cruise ship watch a family of orcas hunt a seal trapped on an ice floe. An octopus latches onto a diver's mask. A mako shark thought to be dead bites a man's hand.

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