28 Interesting facts about fish | Do Fish Drink Water? |Things you need to know

1) Coral reef fish


A small fish that lives in a coral reef is called the dwarf goby (Eviota sigillata), and it is the fish with the shortest life span. The average life span of the pygmy goby is 59 days, setting a new record holder. The life span of an African fish is only more than two and a half months.

They are one of six categories of animals, just like invertebrates, amphibians, reptiles, birds and mammals.

Fish live in almost all available waters, including rivers, lakes, oceans and streams. The type of fish determines whether it lives in salt water or fresh water.

Fish are so abundant in the world's oceans, lakes and rivers that new species are constantly being discovered.

There are more than 30,000 known fish species.

Fish come in many shapes and sizes.

2) Whale Shark


The whale shark is the largest fish in the world and can grow to 12 meters (40 feet) and weigh an average of 19,000 kg (42,000 lbs).

3) Progenetica(smallest fish in the world)


The smallest fish in the world is Paedocypris progenetica, which has only been discovered in the last ten years. Scientists discovered that it lives in a forest swamp in Sumatra, Indonesia. Mature females are only 7.9 millimeters (0.31 inches).

4) Greenland shark


The Greenland shark is the fish with the longest known lifespan. A study published in 2016 examined 28 specimens. According to radiocarbon dating, the lifespan of the oldest animals they sampled was about 392 ± 120 years (minimum 272 years, maximum 512 years).

5) iLL fish


 ill, fish and the fact that they live only in water makes fish different from all other animals.

6) Koi Fish


Koi is a kind of fish in Japan. It is said that the life span is up to 200 years, but it generally does not exceed 50 years. According to reports, the specimen named Huazi was 226 years old when he died.

Fish live in different water depths, some fish like deep water, while others are close to the water surface.

7) Deepest fish in the world

The deepest fish in the world (believed to be a nail fish) was found in the Western Pacific at a depth of 8,145 meters (26,722 feet).

8) Black Marlin


The black marlin (pictured below) is the fastest fish in the world-capable of swimming at 129 km / h (80 mph), followed by the sailfish, swimming at 110 km / h (68 mph).

Fish diets vary by species. There are some carnivorous (carnivorous) fish, some herbivorous (plant-eating) fish, and many omnivorous (carnivorous and plant-eating) fish.

9) Wrinkle

Fish scales are sometimes used in lipsticks. seriously

10) It may be worse, you may be a habitat

In addition to serving as food for many predatory fish, there are more commercially available yellow perch than any other wild fish in Ontario. Their landing value ($) is also the highest, which is the value of the fish from the day it was unloaded on the ship.

11) Growing faster than ever

Muskellunge on the Saint Lawrence River grows faster and bigger than ever before. Not only does climate change produce higher optimal temperatures, but also the hunting light is great. Another major factor is related to survivors of viral hemorrhagic septicaemia (VHS) who died from 2005 to 2008. This eliminated 50% of the spawning population and selectively killed slow-growing old individuals. John Casselman, an adjunct professor at Queen's University, said the number of survivors is still growing at a faster rate, 10% faster.

12) Spawning and sticking machine

Ontario is home to one-seventh of the world's echinocotes. Breeding practices vary, but in terms of spawning, the male spines are peculiar. He builds nests with leaves, grass and twigs, and binds them to sticky secretions. The nest can be cup-shaped, round or tunnel-shaped. The male then pulls out the mat with dancing movements, which may include bite gaps and fine movements to guide the female into the nest. After the female releases the egg, he drives her away, then fertilizes the egg and protects the egg, and makes it young.

13) Fat wing scandal exposed!

Although it is usually feathered and fin-shaped, it is not the only trout with fatty fins. The fin is located on the front and back of the tail, and is also present on cat fish, rainbow furnace, whitefish lake and viscose fish.

14) Where is it?

The pirate perch found in southern Lake Erie and the Lake Ontario area and outside the province has a unique aging process. For teenagers, everything is awkward, but as the pirate perch matures and grows, its anus will move to the right and eventually stop at the throat.

15) The label, that's it

Did you know that scientists are using electronic tags about one meter in size to study fish movement? There are also underwater telemetry receivers to track fish in the three oceans of Canada and the Great Lakes of the Laurentian Mountains. In the past decade, Canadian scientists and industry have been in a leading and central position in the development of electronic tags.

16) Good time to roll

Although the burbot spawns under ice in winter, the behavior is very busy. Under the cover of darkness, the sexes converge into a ball of 10 to 12 fishes, crossing the bottom on gravel shoals and sand bays. The fertilized egg stays where the ball fell off.

17) Taste test

The odds of are fish may be challenged by Coke. Fish has more than 27,000 taste buds, many of which cover their bodies. Humans are between 7,000 and 9,000.

18) Ghost nea

Blue g "parent" males are traditional populations. They build nests and seek eggs from females. Other "g guys" take a different approach. "Sneakers" are small males wandering in the nest. When spawning begins between males and females, sneakers will jump into action, releasing sperm to fertilize the eggs. There is another way for "satellite" males. They mimic the appearance and behavior of females and swim into the nest and release sperm when the male and female parents lay eggs.

19) We’re from the Valley, eh!

Did you know that the distribution of rainbow smelting in Ontario was initially limited to a few lakes in the Ottawa Valley? Now, among other factors, the distribution of bait buckets is very wide because of the dumping of bait buckets. The Ontario Invasive Species Awareness Program treats it as an invasive fish.

20) Ancients breathing

Did you know that proboscis gar, spotted gar and bow can breathe the air sucked from the water The air moves to the swimming bag and then inhales oxygen. This characteristic allows these fish to survive in warm, shallow water with low oxygen content.

21) One fish, two fish, brown fish, new fish

In the 1800s, several fish species were introduced in North America. The earliest brown trout from Ontario is one of them. Carp was also introduced in the 19th century. Due to the destruction of aquatic plants and habitats, carps have the title of the first batch of invasive fish.

22) Lots of rainbows

Rainbow trout, rainbow melt and rainbow darts all swim in the waters of Ontario. Of the three, the darter is probably one of the most active painters.

23) Beautiful earrings

The ear bones (otoliths) of freshwater drums tend to be washed on the shore and have a polished appearance like ivory. As a result, they are used as currency, preserved as "lucky stones", and still used to make jewelry.

24) Does not comply with OHIP

American sha fish just visited Ontario to spawn and swim to the Carillon Dam on the Ottawa River. After breeding, the adult adult returns to the ocean. Descendants have to wait for the autumn to travel.

25) Most birthdays

St fish may have the longest life among all fish in Ontario. On average, men live 55 years and women 80 years. However, the cases of fish in Ontario are close to 155 years old.

26) Kan B's wedding

Many male minnows have hard heads or small spikes, and some parts of the body will lay eggs. These "nodules" have a variety of uses, from nesting and defending nests to stimulating partners. The nickname Chujiaochu refers to its pointed nodules.

27) Not this season, honey

Some fish, such as smallmouth bass, may take a year or two to spawn. Steven Cook, a professor at Carleton University and principal researcher at the school ’s Fish Ecology and Conservation Physiology Laboratory, said that the energy cost of breeding is high and some fish need a break.

28. Try fish or  maybe not    

Did you know that seafood, including freshwater fish, is a common food allergen in many Canucks? Reduce the risk by sending fresh corneal fillet fillets to P.O's executive editor Ray Blades. Frame…


Do Fish Drink Water?

1) Freshwater fish will not actively drink water, but will absorb water through their skin and gills. On the other hand, saltwater fish do drink seawater. Their gills treat the water and remove the salt.

With the exception of the tuna family, the mackerel shark family and the oba or lunar fish, the fish are cold-blooded.

If there is not enough oxygen in the water, the fish may drown in the water. Fish need continuous intake of oxygen to survive. When water passes through the ill membrane, it will absorb oxygen from the water molecules.

2) In most fish, breathing is through. However, lungfish have one or two lungs. Labyrinth fish have developed a special organ that allows them to use the oxygen in the air, but not the actual lung.

Not all fish have scales. Although scales are characteristic of most fish, some fish (such as slimefish, seven lamp fish and cat fish) do not have scales.

3) Fish have a sleep-like period, they reduce the response to stimuli, slow down the body's activities, and reduce metabolism, but their brain wave changes are different from when humans sleep.

4) Some fish can make audible sounds such as clicking or squeaking, but most fish communicate through body language. Some cats will pounce from the g-board like a cat lifts its hair on the back of the cat.

5) Fish can form schools containing millions of fish. They use their own eyes and something called a side line to maintain their position in the school. The side line is a row of holes that extends from the beginning to the end along the side of the fish. The special hair in the pores will sense the water pressure changes caused by the movement of other fish or predators.

A fish in the middle of the school controls the school. The fish outside is guided by the fish in the middle.

The main means of fish reproduction are spawning and live fish. The spawning fish releases the eggs and then fertilizes them. Live fish fertilize females internally, and females bring offspring into the body until they develop and are born.

1) It is known that some fishes change sex during their lifetime.

2) Some fish, such as the goldfish, can swim backwards.

3) The hippocampus is the only fish that swims upright regularly.

On average, flying fish can glide 50 meters (160 feet), but it is known to glide 400 meters (1300 feet). They can reach a height of 6 meters (20 feet).

6) Many types of aquatic animals commonly referred to as "fish" are not fish, but fish. Examples include shellfish, cuttlefish, starfish, crayfish and jellyfish.

Fish have no shark eyelids, except for sharks.

7) Puffer fish are considered to be the deadliest fish in the world. Their flesh contains poison, and the toxin carried by a puffer fish is enough to kill 30 people. Nonetheless, certain types of meat are still considered delicious in Japan.

8) In an experiment conducted at New York University, a robotic fish was accepted by other fish and became their leader.

Researchers say that in terms of weight, within 30 years, more plastic will be discarded in the world ’s oceans than fish.

Fossil evidence indicates that fish have existed on the earth for about 530 million years.

In art and literature, fish occupies an important position in the movies "Nemo" and "Old Man and the Sea".

Fish is often used by Christians as a symbol of Jesus or Christianity in general. The gospel also refers to "human fishermen" and provides food for the masses.

In Buddhist Dharma, fish symbolize happiness, because they have complete freedom of movement in the water. Usually painted in the form of carp, they are considered sacred in the East due to their beautiful appearance, size and longevity.

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