The largest marine animal in the world It can measure up to 30 meters long and weigh over 200 tons. That makes this animal not only the largest but also the heaviest in the sea.
If you want to find out what this animal is, don't miss the article that we have prepared about it, and where, in addition, We will talk about which are the largest animals on the planet.
The largest marine animal in the world
Many may not be surprised to learn that the largest marine animal in the world is a whale. Specifically it is the blue whale (Balaenoptera musculus). We can say about it that it is the largest animal, not only in the sea but on the entire planet Earth. Its average length is between 24 and 27 meters but specimens have been found that have reached 30 meters. To get an idea of ​​the size of blue whales, Its size is larger than that of a commercial airplane and its tongue can weigh the same as an elephant, which is another of the largest animals in the world.
Despite having such an imposing size, blue whales have a friendly and peaceful character. They can be seen swimming in family groups or sometimes alone looking for food. Their song is, without a doubt, one of the most characteristic of the oceans, with frequencies that can be heard from hundreds of kilometers away.
The blue whale and its history on the planet
Blue whales have been inhabiting the Earth's seas for millions of years, when their ancestors evolved from terrestrial mammals to aquatic mammals. It is believed to be the origin of the blue whale, an animal evolved to adapt to life in the sea, becoming, both due to its size and color, one of the most impressive animals in the oceans.
What is the blue whale like?
The blue whale is a marine mammal found in all the world's oceans and feeds on small crustaceans and fish. It was once in serious danger of extinction due to indiscriminate hunting for the trade of whale products. Whales are important for maintaining the balance of the marine ecosystem. You can read more about the dangers facing whales nowadays.
Food
During those approximately 20 million years that whales sail the seas, they have dedicated themselves to hunting for food. His diet is based on a small crustacean called krill, although they also consume small fish and squid. To capture these prey they practice what is known as "filter feeding", Blue whales dive into deep waters and swim with their mouths open, scooping up large amounts of water. They then close their mouths and expel the water through their baleen to retain food. With this hunting method, they consume up to 4 tons of food per day. Although they are the largest and heaviest animal, they swim at high speed, allowing them to capture all this food. If you want to learn more about the diet of these giants, check out the article on what whales eat.
The hunt
Throughout history, the blue whale has been heavily hunted by man. During the 19th and 20th centuries, They were heavily persecuted to obtain meat, oil and other products. As a consequence, the number of specimens was terribly reduced. To prevent this situation from getting worse, in 1960 the hunting of these animals was prohibited. What's more, today, Blue whales are protected by both laws and international treaties, so the number of specimens has increased considerably in some areas.
It is also true that blue whales They are not completely out of danger, Since there are still threats to their lives, such as ocean pollution, climate change, and even ships colliding with them. In addition, marine protected areas have been established to provide these animals with a safe haven at sea. These aquatic reserves limit human activity in order to preserve whales, as well as other animals that have become endangered. For more information on the laws that protect these creatures, you can visit the website. types of whales that exist.
Its importance for the marine world
Whales are important for maintaining the marine ecosystem for different reasons. To begin with, they are those that regulate or control the krill population (their main food). If they disappeared, the krill population would be uncontrolled and would affect the ecosystem. On the other hand, the consumption of krill causes them to release large amounts of essential nutrients through their excrement so that a large number of marine plants and phytoplankton can grow. All this makes them a key animal for the food chain in the oceans.
As if the above were not enough, contribute to the carbon cycle Since they absorb large amounts of carbon dioxide from the atmosphere and store it in their tissues, when they die, that carbon passes to the seafloor. It is essential to understand the connection of these mammals with marine ecosystems to appreciate their role in the environment, a topic discussed in depth in the article on sea ​​mammals.
The 10 largest animals in the world
El First place we already know is occupied by the great blue whale, but other animals follow it, although in the distance we do notice their length.
- 2. Whale shark which can reach up to 18 meters long.
- 3. Elephant seal with its 8 meters long.
- 4. African Elephant that reaches 7 meters.
- 5. The giraffe which can reach 6 meters.
- 6. marine crocodile with its 6 meters long.
- 7. The White shark It can reach 6 meters as well.
- 8. The polar bear It can reach 3 meters in height.
- 9. The Kodiak Bear It can also measure 3 meters.
- 10. By last, The grizzly It grows up to 2,8 meters in height.
Of all of them, blue whales continue to be a spectacle for the human gaze, they are fascinating creatures Whether they go in groups or alone. They captivate with their size, their song, their swimming style, and their behavior, to such an extent that they have become one of the emblematic symbols of marine life. They are also a reminder of the great diversity that we can find on the planet and the importance of preserving all creatures to maintain that same diversity.
