Water world of the ocean is a scary and most amazing place in the plant with fearsome sea monsters such as Blue Whale,Killer Whale and White Shark. Here is the list of top 15 biggest creatures of the Ocean including Fin Whales, Giant Starfish, Giant Clam,Walrus,Giant barrel sponge,Barracuda,Giant isopod,Big lobster,great hammerhead shark,giant moray eel,Frilled Shark,barracuda and Dragonfish.The ocean contains some of the largest creatures on Earth. Here you can meet some of the largest living sea creatures. Some have fierce reputations while others are enormous, gentle giants.



Each marine phylum has its own largest creatures, but this slide show contains some of the largest creatures overall, based on maximum recorded measurements of each species.



Just to give you a better perspective, a large blue whale is about the same length as a Boeing 737 airplane, and its tongue alone weighs about 4 tons (about 8,000 pounds, or about the weight of an African elephant).



Blue whales live throughout the world's oceans. During warmer months, they are generally found in cooler waters, where their main activity is feeding. During cooler months, they migrate to warmer waters to mate and give birth. If you live in the U.S., one of the most common whale watching destinations for blue whales is off the coast of California.



There’s still so much mystery regarding the ocean. All of its vast, murky depths have yet to be explored, but we do at least know there are some terrifyingly gigantic creatures lurking about down there. Some of the largest ocean animals are among the biggest creatures anywhere on earth, reaching massive sizes you won’t believe. Check out the list below to learn about the biggest things in the ocean (that we know of).



Whale Shark is the largest fish in the sea found in open waters of the oceans. The species has very large mouth and the largest non-cetacean animal in the world.



The Killer whale or Orca is one of the world’s most powerful predator and hunt marine mammals such as seals and dolphins. Killer whales are apex predators of the sea and largest of the dolphins.



The Great White Shark is the apex predator of all the major oceans and a species of large lamniform shark. White shark is one of the very longest cartilaginous fish who has no known natural predators except killer whale.



Beluga Whale is one of the largest marine mammal and are very popular with the public for their colour and expression. The beluga survives in the cold arctic environment and among the smallest species of whale.