The sailfish, the swordfish and the mako shark have all been clocked at swimming over 80 km/hr.
Oysters can change from one gender to another and back again depending on which is best for mating.
Lobsters can live up to 50 years.
By swallowing water, the Pufferfish becomes too big for other fish to swallow.
Blue Whales weigh as much as 30 elephants and are as long as three Greyhound buses.
The common goldfish is the only animal that can see both infra-red and ultra-violet light.
Great White Sharks can go as long as three months without eating.
A group of jelly fish is called a smack.
A shrimp's heart is in their head.
Left to their own devices, pearls grow naturally only once in every 20 000 oysters.
The Mola Mola, or Ocean Sunfish, lays up to 5 000 000 eggs at one time.
Dolphins sleep with one half of the brain at a time, and one eye open.
A scallop has 35 blue eyes.
It can take a deep-sea clam up to 100 years to reach 8 millimetres in length. The clam is among the slowest growing, yet longest living species on the planet.
Catfish have 100 000 taste buds.
The largest eggs in the world are laid by a shark.
A female oyster over her lifetime may produce over 100 million young.
If a lobster loses a claw or an eye, it is usually able to grow another, although the new one is usually smaller.
Dolphins sleep at night just below the surface of the water. They frequently rise to the surface for air.
Shrimp can only swim backwards.
Using its web-like skin between its arms, an octopus can carry up to a dozen crabs back to its den.
When a dolphin is sick or injured, its cries of distress summon immediate aid from other dolphins, who try to support it to the surface so that it can breathe.
The Pistol Shrimp is capable of snapping its claw shut so rapidly, that it creates a cavitation bubble which collapses to produce a sound of 218 decibels, which is louder than a gunshot and capable of breaking glass jars.
The male seahorse carries up to 200 babies in its pouch at one time.
Pufferfish can contain a toxin that is up to 1200 times more deadly than cyanide to humans. There is enough toxin in one pufferfish to kill 30 adult humans, and there is no known antidote.