Some fun facts about fish:

• They breathe in water – which is why they cannot drown.

• Many fish eat other species of fish.

• 12 million households have aquarium fish – this means they are very popular with Americans.

• The smallest type of fish is only a quarter of an inch long. It is called a stout infant.

• Dentists keep fish tanks in their waiting rooms to make patients less anxious.

• Let me give you a funny trivia about fish: An ichthyologist is not someone who is interested in itching. It is someone who studies fish.

• When many fish swim together, they are referred to as a school.

• Even among fish, there are stalkers. The Pike for example, follows other fish around, taking cover using logs and plant cover.

• Your lipstick probably has fish scales in it!

• Amazing fish facts reveal that Goldfish can live more than 20 years – much longer than cats or dogs. The longest a goldfish has lived in recorded history is 43 years. A goldfish does not have a stomach. It can see light rays that humans cannot – including ultra-violet and infrared rays. Goldfish can live in water that is freezing. Lastly, goldfish have been pets for more than a millennium.

They come in huge variety – over 25,000 identified species. There are more species of fish than of amphibians, reptiles, birds and mammals combined. Scientists still think they may yet identify 15,000 more species.

Even though 60% of fish species live in the sea, 99.99% of the earth’s water is seawater, this means that 40% of all fish species live in less than .01% of the earth’s water.

Fascinating Fish Facts: What you need to know?

• Not all fish are hopeless outside water! For example, the spotted climbing perch not only absorbs water from the air, but can also crawl on land using its fins.

• Not all types of fish have an air bladder, which enables them to stay afloat. The shark is one fish that has to keep swimming or stay on the ocean floor.

• Another amazing fish facts is that it turns out flying is not unique to birds. Some fish can fly.

• Fish can find their way even in unclear, murky water. They use a special sense organ known as the lateral line.

• The great whale shark – the biggest of all the fish – can be as long as fifty feet!

• The Philippine Goby grows to a maximum length of 1/3 of an inch – making it the smallest types of fish.

• Fish are capable of sensing pain and stress.

• Tropical fish from South America, Africa, Central America and Asia are very popular among Americans as pets.

• Koi fish can grow up to three feet long, so they need a big pond. Three Kois can usually fit in a pond 10 feet by 10 feet.

• The pond needs to have a water pump and a heater to keep the fish comfortable.

• Koi come from Japan but are available any local pet store. Koi are much hardier than comet goldfish. They enjoy a longer lifespan (up to 20 years) and even have a bigger body.

• Koi Fish Trivia. This tropical fish do not just come in one color, they can be white, yellow, orange, white red and black were used.

• Larger Koi are generally pricier. Better, buy small koi fish at 5 dollars apiece. Waiting until they are bigger say 12 inches is expensive – it may result in an expense of 100 dollars.

• If the fish spawn in your pond, you could very well end up with 1,000 baby Koi! Koi feed on pellet food or any other type of food.

Koi are said to being luck to their owner. Koi fishponds are gaining a lot of popularity.  They can bring life to any garden fishpond.