Imagine a world where the ocean is so cold that most life would freeze within minutes, yet one remarkable creature swims ...

Scientists on an expedition to the South Sandwich Islands near Antarctica have recorded horrifying videos of parasitic copepods feasting on the head of a deep sea rattail fish.

In haunting footage captured about 1,604 feet (489 meters) under the sea, cameras captured the tubular crustaceans latched onto the fish’s back. Though the parasites’ presence might trigger your gag ...