Fish Facts


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The stonefish, which lives off the coast of Australia, is the most poisonous fish in the world.
A slug has four noses.
Octopuses have 3 hearts.
A goldfish can live up to 40 years.
A starfish doesn't have a brain.
Killer Whales are the only sea animal that outranks the Tiger Shark as top predator of the sea.
The lung fish can live out of water for as long as four years!
Scallops swim with jet-propelled speed by clapping its shell open and shut.
Starfish have eight Fish - one at the end of each leg.
The snapping shrimp, only 1 1/2 inches long, makes a noise with its one big claw, which sounds exactly like a firecracker.
The leatherback is the biggest sea turtle, and it can weigh as much as 1,500 pounds.
The emperor penguin is playful, and often times lies on its chest and side to slide along the ice and snow.
A Giant squid's eye can be as big as a basketball.
A jellyfish is 95 percent water!
Some fish have Fish that are the same size as their stomach!
The hippopotamus gives birth under water and nurses its young in the river as well, though the young hippos do come up periodically for air.
Animals with some of the longest lives are the Marion’s tortoise (152 years), the fin whale (116 years) and the deep-sea clam (100 years).
The largest member of the dolphin family is called an orca or killer whale.
There are about 40 species or kinds of porpoises and dolphins.
Porpoises and dolphins communicate with each other by squeaking, growling, moaning, and whistling.
Flying fish actually glide on wind currents above the surface of the water, sometimes up to 20 feet above the surface.
Starfish can have up to 16 arms!
The 14-foot-long narwhal is a whale whose tooth can reach up to eight feet long!
Dolphins sleep with one eye open!
The blue whale, the largest animal to have ever existed, is 96 feet long and weights 125 tons. This is as much as 4 large dinosaurs (Brontosauri), 23 elephants, 230 cows or 1800 men.
When an octopus gets angry, it shoots a stream of black "ink".
Minnows have teeth located on a bone in their throat.
The smallest fish in the world are the pygmy goby and the Luzon goby, from the Philippines, which are only one-half-inch long when they are full grown.
The world's largest rodent is the Capybara. An Amazon water hog that looks like a guinea pig, it can weigh more than 100 pounds.
A newly hatched fish is called a "fry."
At 188 decibels, the whistle of the blue whale is the loudest sound produced by any animal.
Fish have gel-slime on their bodies that protects them from parasites.
Fish swimming at depths of 15,000 feet (almost 3 miles down!) can withstand a pressure of 7,000 pounds per square inch. They are able to live in these crushing depths by pumping gas into their swim bladder.
One way to tell the age of a fish is by looking at its scales. They have growth rings just like trees. These are called circuli. Clusters of them are called annuli. Each annuli show one year.
The world's largest mammal, the blue whale, weighs 50 tons at birth. Fully grown, it weighs as much as 150 tons.
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