They keep the ecosystem in balance and killer whales and some sharks feed on them.
There is no ocean that has the most whales all year. Because whales migrate, at certain times of the year the Indian ocean or the Southern ocean will have the most whales. The most species of whales are found in the Southern ocean.
Deep ocean is the whales favorite habitat.
No whales prefer open ocean, not caves.
the Atlantic Ocean
Barnacles benefit from living on whales, and they do not hurt the whales.
The grey whale has a symbiotic relationship with barnacles. The barnacles attach themselves on the whales and are transported to new locations in the ocean. Whales are not harmed in the process, and the barnacles benefit from the new food sources.
blue whales live all over the world (but in the ocean of course)
There are whales in the ocean off the coast of Alaska.
Killer whales stay in the ocean.
Blue whales are normally found in the sunlight zone, which is the uppermost layer of the ocean.
yes any ocean
The only whales that do not live in the ocean, are the ones found in captivity. Killer whales (or Orcas as they are commonly known), and Beluga whales are common in theme parks.