How long would it be before ships crossed major oceans again?
Dolichomacrostomidae can be found in all major oceans worldwide, but many areas have been very poorly studied to date.
And it's no easy task to study the deepest regions of major oceans.
The Whipsone angler can be found in all three major oceans.
Pern bears three continents, four major oceans, and a large number of islands.
The goblin shark has been caught in all three major oceans, indicating a wide global distribution.
Shattered the surface and boiled off a good deal of the major oceans.
It is found in all the major oceans, from polar to tropical waters.
Cases of this disease have been found in all major oceans.
By now," Beth said, "giant squid have been observed in every major ocean of the world.