The first submarine was built in the year 1620 by Cornelis Drebbel, a Dutch scientist, to help exploration underwater and as a method for future combat underwater.
The largest island in the world is Greenland, having a surface area of 2.17 million km².
Canada has the longest coastline, which stretches 151,019 miles
There are to this day 32,000 discovered species of fish.
The man who was considered the father of oceanography was Matthew Fontaine Maury, a United States Navy officer.
The overall average temperature of the ocean is 3.5°C.
The ocean appears blue from space due to the way it refracts sunlight.
Hurricanes and typhoons are the same weather phenomenon. Hurricanes occur in the western hemisphere, while typhoons occur in the eastern hemisphere.
Sea foam is caused by wind and waves disturbing the ocean’s surface, churning up tiny particles suspended in the water.
The highest tides, 11.7 meters, happen at the Bay of Fundy, Canada.
The warmest ocean in the world is the Indian Ocean, from 66°F (19°C) to 86°F (30°C).
People who study fish are called Ichthyologists. The science of Ichthyology was started in the 18th century.
The largest fish in the world is the Whale Shark, which weighs around 9 tonnes, and the fastest fish in the world is the Black Marlin, which moves up to 30 miles per hour.
The slowest fish is the Dwarf Seahorse, which moves at max 5 feet (1.5 m) per hour.
The smallest crab in the world is the Pea Crab, measuring at around 2.54 cm across.
The Great Atlantic Sargassum Belt is the longest belt of seaweed in the world, stretching 8850 km in length.