The tiger shark (Galeocerdo cuvier) can weigh up to 3.11 tons and grow up to 24 feet long. This shark, which is the only member of the Galeocerdo genus, is usually found around Central Pacific islands, but people can spot it anywhere tropical or temperate water exists.
The Beluga sturgeon (Huso huso), which is also called the great sturgeon, can weigh up to 2.072 tons and grow up to 24 feet long. That is a big fish in the ocean and one of the largest of these sturgeons are usually humpback.
Weighing in at 3 tons, the Giant Oceanic Manta Ray (Mobula birostris), also called the Atlantic manta ray, can grow up to 15 feet long. It can have a wingspan up to 30 feet wide.
The Hoodwinker Sunfish (Mola tecta), often called sunfish, is the world's 10th largest fish. This Osteichthyes member has a flat elliptical shape. It can weigh up to 1.87 tons and be up to 7.9 feet long.
The Great White Shark (Carcharodon carcharias), also called white shark or pointer shark, can reach 3.34 tons and be up to 23 feet long. These sharks can live to be 70 years old. Females usually do not calf until they are 33 years old.
Tied for number six on our list is the ocean sunfish (Mola mola), which is also called the common mola. This fish that lives in tropical and temperate waters globally has a fat head and a thin body that can extend up to 10 feet long.
The southern sunfish (Mola alexandrini), also called Ramsay's sunfish, southern ocean sunfish, short sunfish, or bumphead sunfish. It can weigh up to 2.3 tons and be up to 11 feet long. They use their vast fins to move through the water while lying horizontally.
Here is another big fish in the ocean: the very elusive Sharptail mola (Masturus lanceolatus) weighs up to 2 tons, and it can be up to 9.8 feet long