Where do crocodiles live? Why do crocodiles shed tears?

Crocodiles are the oldest reptiles that lived at the same time as dinosaurs more than 200 million years ago. They are one of the oldest "living fossils" on Earth. The Yangtze alligator, a specialty of my country, is listed as a national first-class wild protected animal. Next, we want to learn where crocodiles live and whether crocodiles are fish. I hope you can learn more about it.

Contents of this article

1. Where do crocodiles live?

2. Is a crocodile a fish?

3. Why do crocodiles shed tears?

4. Can crocodiles be eaten? Is it illegal?

Where do crocodiles live?

From a geographical perspective, crocodiles are mainly distributed in lakes, rivers, swamps or coasts in tropical and subtropical regions, and only a few species live in temperate zones. From a water environment perspective, most crocodiles live in fresh water, and a small number of crocodiles live near the coast.

Crocodiles are the oldest reptiles that lived contemporaneously with dinosaurs more than 200 million years ago and are one of the oldest "living fossils" on Earth.

Crocodiles are endangered wild animals and are listed as Class I endangered wild animals and plants internationally.

The Yangtze alligator is a type of crocodile unique to my country and is also the most endangered species of crocodile in the world. It is listed as a first-class wild protected animal in my country.

Is a crocodile a fish?

Crocodiles are not fish. They are carnivorous, egg-laying vertebrates. They are named because they can play in the water like fish. There are big differences between crocodiles and fish. Crocodiles can move both in the water and on land, but fish can only move in the water.

Crocodiles are the oldest reptiles that lived contemporaneously with dinosaurs more than 200 million years ago and are considered to be one of the oldest biological "living fossils".

Crocodiles are endangered wild protected animals. The Yangtze alligator, which is unique to my country, is listed as a national first-class wild protected animal. In addition, Nile crocodiles, saltwater crocodiles, Siamese crocodiles and other species of crocodiles are included in the first batch of 54 commercially exploitable wild animals.

Crocodiles are advanced reptiles that mainly rely on lungs to breathe. They usually like to live in the beaches of lakes and swamps, and in moist areas covered with weeds and weeds in hilly streams.

Why do crocodiles shed tears?

Crocodile tears are a natural physiological phenomenon, and the main purpose of tears is to excrete excess salt from the body. Scientists have found through research that crocodile tears have a very high salt content, which is usually excreted through the kidneys and sweat glands, but crocodiles have imperfect kidney function, so they choose to separate out near the eyes.

Crocodiles have imperfect kidney function and are unable to excrete excess salt from the body through the kidneys. They can only excrete salt through salt glands, which have a duct in the middle and the opening of the duct near the eyes.

Crocodiles are carnivorous reptiles and one of the most primitive animals still alive today. They are internationally protected Class I endangered wild animals and plants.

The smallest crocodile is the Yangtze alligator, which is a first-class protected animal in my country.

Crocodiles and toothpick birds have a "symbiotic relationship" in which the toothpick birds obtain food by helping the crocodiles clean food residues and parasites in their mouths.

Can you eat alligators? Is it illegal?

If it is an artificially domesticated crocodile and a license for the domestication and breeding of nationally protected wild animals has been applied for before domestication and breeding, and it is used commercially, it can be eaten and it is not illegal. However, if it is a wild crocodile that is a protected animal, such as the Yangtze alligator, it is a national first-class protected animal and hunting is strictly prohibited.

According to my country's Criminal Law, anyone who illegally hunts or kills precious and endangered wild animals under state protection shall be sentenced to fixed-term imprisonment of not more than five years or criminal detention and shall also be fined.

Crocodile meat is high in protein and also contains fatty acids and trace elements that are beneficial to the human body.

The whole body of the crocodile is a treasure. In addition to crocodile meat, crocodile liver, crocodile kidney, crocodile bones and crocodile blood all have high nutritional value.