The scientist believes that about 20,000 species of fish live in this earth. They are different in sizes. But we are there to discuss the biggest fish in the world.
You may hear about the shark, ocean sunfish, marlin and so on. But, do you know about their habit? Do you know about their sizes, weight? Are they dangerous to human? How many years they alive? Maybe you don’t have a clear idea, aren’t you? We are here to let you know all about them. You will be surprised knowing them about which you never knew!
10 Biggest Fish in the World
This article about biggest fish on earth will enrich your knowledge about fish. No more late, let’s go to know about them.
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Whale Shark
There is no controversy about the biggest fish on earth. Yes, that is whale shark (Rhincodon typus). It always moves slowly. It has ten filter pads on its mouth to filter feed. On its mouth, you will find 300-350 rows of tiny teeth and it has 14.9 feet wide mouth to eat.
Length of the largest one was recorded 41.5 feet and which weight was 21.5 metric tons. The average lifespan of this fish is about 70 years. Of being slow moving, it is rarely dangerous for human.
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Basking Shark
Basking shark (Cetorhinus maximus)is the 2nd biggest saltwater fish. The fish is grayish brown in color having mottled skin. The average size of adult fish is 20-26 feet and weight is about 19 tons. The fish also has a filter in mouth containing numerous tiny teeth. About 100 rows of teeth are in their mouth. It also a slow moving fish. Almost in all temperature of the ocean, it can be found. Usually, it can live up to 50 years but actual lifespan is unknown.
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Giant Oceanic Manta Ray
This giant fish is the largest fish of the species ray. These fishes favorite places are tropical and subtropical water but it can be also found in temperate water. It (Manta birostris) can grow up to 23 feet and weighted can be 1350 kg. But this fishes average size is not larger than 15 feet. On both sides, it has triangular pectoral fins and has one pair of cephalic fins at the front. Possible place to be found of this fish is tropical and temperate water.
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Greenland Shark
People also know the Greenland shark (Somniosus microcephalus) as some other name such as gurry shark or grey shark. The average size of this shark is 21 feet and weight is about 1000 kg. But it can be large up to 24 feet and 1400 kg. Comparison with the female, males are little small. The fish has the longest lifespan and that is 300-500 years. And their reproductive life starts from 150 years.
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Great White Shark
Great white shark (Carcharodon carcharias) are usually found in the oceans coastal surface water. These giant fish is also known as white shark or great shark. Having weight of 1900 kg, it measures u to 20 feet in length. Males are required 26 years where females need 33 years to reach the reproductive life. At the speed of 56 km/h, the great white can swim. You will be surprised knowing that it can swim 1200 meter depth water. It can live up to 70 years.
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Sharptail Mola
This one looks similar to the ocean sunfish but it can be differentiated by its pseudo tail. It usually found in tropical and temperate water. This is the fish of deep water. Most of the time they lie 16-650 feet below in water but at night they go to 330-820 feet depths. They can descend more than 3300 feet. They can pass only 10 km per hour. It can grow 11 feet in length while their weight is about 2000 kg. Male can live 85 years where 105 years of female lifespan.
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Ocean Sunfish
This fish has another name and people also know it by the name common mola (Mola mola). Among the bony fish, this is heaviest which can be long up to 10.8 feet and fin to fin 14 feet. The average weight of this bulky fish is from 250-1000 kg. But, it can weight maximum of 2300 kg. Tropical and temperate water is their favorite living place. Their diet is not so nutritional that is why they consume very large amount. They can produce 30,00,00,000 eggs at a time which is more than any other vertebrate.
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Atlantic Blue Marlin
The fish (Makaira nigricans) is endemic to the Atlantic ocean and comes from marlin species. Its maximum length recorder 16.4 feet whereas it’s maximum weight is 818 kg. Are you comparing it to the previous one? Considering its overall characteristics it is heavier than the ocean fish undoubtedly. At the age of 2-4, this fish reaches to the reproductive life. It has commercial value worldwide as a dietary food. Have you ever taste it?
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Giant Freshwater Stingray
This is one of the giant fish of fresh water. It can be found in the big river. This large fish can be measured up to 10 feet and weight up to 600 kg. Its external physical color is grayish brown superiorly and on the opposite side, it is white in color. Though the fish is not aggressive, they never think twice when they need to injure you even they are capable of piercing your bones.
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Beluga
This fish is also known as European sturgeon. The fish comes from anadromous species under sturgeon family. In 1827 length of this fish was recorded 23.6 feet which weight was 1571 kg. Because of the measurement, the fish considered as the biggest freshwater fish in the world. But its average size is not like this. From 4.66-10.76 feet in length and 20-264 kg in weight usually found. Generally, this fish can live up to 50 years.
Finally
It may very easy to say some biggest fish in the world. But, is it easy to tell about them specifically? Before reading this article could you name a fish which descend more than 3000 feet? You may think before there are very big fish in the world but could you measure them in mind? Hope, this article gives you much wonder information which was unknown to you and you enjoy this.
Image Sources: Pixabay, Wikimedia & Flickr.
