THE 20 MOST OUTSTANDING COLD-BLOODED ANIMALS - BIOLOGY - 2025

The cold - blooded animals are those who can not control their body temperature, so become dormant when the weather is cold. Most of these animals belong to the category of reptiles, fish and amphibians.

This characteristic means that these animals must obtain their heat from external sources. If the environment is hot, a cold-blooded animal will be warm.

Gecko

But if the environment is cold, the animal will get cold. Although they cannot regulate their body temperature, these animals have other very interesting adaptations.

Cold-blooded animals include insects, arachnids, reptiles, fish, and amphibians. They are the oldest group of animals on Earth; they evolved long before birds and mammals.

These animals depend on external sources such as the sun or shade to control their body temperatures. These creatures can absorb heat.

You may also be interested in this list of animals in danger of extinction.

The 20 most important cold-blooded animals

1- Gecko

Geckos are reptiles found on all continents except Antarctica. These animals have adapted to different habitats: from tropical forests to cold mountains.

Their tails help them balance and store fat; They can also get rid of these if a predator grabs them. They are generally nocturnal.

2- Alligator

These animals belong to the same family of large reptiles as crocodiles, but they are native to only two countries: the United States and China.

Alligators are smaller than crocodiles but move at speeds of up to 15 miles per hour on the ground.

Its snout is smaller than that of its relatives. Unlike crocodiles, when their mouths are closed their teeth are not visible.

3- common toad

It is a species of toad found throughout Europe; They can be seen from Siberia to North Africa.

It is usually brown, but can sometimes be black, yellow, or green. Its skin is permeable and hard.

Their habitats are humid places near water and they feed on other smaller animals, especially insects.

4- black mamba

Despite its name, this snake is brown. Black mambas are fast, nervous, and lethally poisonous.

When they feel threatened they are highly aggressive. It is considered the most dangerous snake in the world and lives in East Africa.

5- Salamander

It is a four-legged amphibian, with a long, thin body and a long tail.

They are found all over the world, especially in temperate climates. All species of salamander are semi-aquatic or aquatic.

6- Salmon

There are five species of these fish in the Pacific Ocean. They begin their lives in fresh waters and migrate to the sea when they are still young.

These fish play an important role in the economies of many countries, as they are served as food in many homes and restaurants.

7- Sea turtles

There are seven different species of sea turtles in ocean waters. Unfortunately almost all of these species are classified in danger of extinction.

They are hunted for their eggs, meat, and shells. They also face destruction of their habitat and accidental capture.

8- Chameleon

It is a species of lizard found in jungles and deserts almost all over the world. There are over 160 species ranging from a few inches in length to a couple of feet. They have extraordinary vision.

Some species are capable of changing the color of their skin to blend in with their environment.

9- Common frog

It is an amphibian found in almost any habitat that has ponds or lakes. These animals have smooth fur and long legs to jump quickly.

Males grow up to 9 centimeters and females up to 13 centimeters.

10- Royal Cobra

It is the longest venomous snake in the world. There are many species of cobra, but the king cobra is the largest - they can grow up to 18 feet.

Adult specimens weigh 20 pounds. Their colors vary, they have a very long tongue and are found in India and Asia.

11- Trout

There are many subspecies of these fish. They can be found in many places, from North America to Eurasia. According to the subspecies they are of different color and size.

12- Green Iguana

It is known as the American iguana and is native to Central and South America, as well as the Caribbean.

This animal is a large herbivorous lizard that enjoys being in the trees. They have a crest that runs from their head to their tail.

13- Corn snake

They are usually used as pets since they are docile, small and easy to care for. They also have beautiful colors and patterns. They are native to the southeastern United States.

14- Crocodile

They are large reptiles found in the tropical regions of Africa, Asia, Australia, and America.

There are 13 species, so their sizes vary. The smallest measures 1 meter and the largest 6 meters. Crocodiles only eat meat.

15- Komodo Dragon

It is the largest and heaviest lizard in the world; it is one of the few lizards to have a poisonous bite. Your hunting strategy depends on your strength and power.

These animals usually weigh around 70 kilograms. They live on several islands in Indonesia, including the island that bears their name.

16- Goliath Tarantula

It is a tarantula found in South America. It is the largest spider in the world: it measures 12 centimeters and weighs 175 grams.

Their hairs are irritating, so they are dangerous animals. They have fangs that are pointed enough to pierce the skin.

They feed on amphibians, worms, insects, and small vertebrates.

17- Bees

They are flying insects related to ants and wasps. They play an important role in pollination and produce the precious honey and wax.

18- Land turtle

Both the marine and land turtles are reptiles; the difference between these is that tortoises only live on land.

The bodies of both are flexible and have shells, but there are also differences in coloration depending on whether they are terrestrial or marine.

19- Lizards

The lizards are lizards that have more than 1500 species; They are one of the most diverse families of lizards.

Lizards feed on larger invertebrates such as crickets, moths, earthworms, flies, and cockroaches. They usually live in gardens around the world.

20- Gold fish

It is a freshwater fish that is commonly used as an aquarium fish. They are small and are native to East Asia.

They were reproduced in China more than a thousand years ago. Depending on their subtype, these animals vary greatly in size, body shape, and coloration.

References

1. Cold blooded animals. Recovered from dictionary.com
2. Be turtles. Recovered from worldwildlife.org
3. Different trout species. Recovered from troutster.com
4. Black mamba. Recovered from nationalgeographic.com
5. Salamander. Recovered from az-animals.com
6. Goldfish. Recovered from wikipedia.org
7. Turtle vs turtoise. Recovered from diffen.com
8. What animals are cold blooded? Recovered from study.com
9. Komodo dragon. Recovered from nationalzoo.si.edu
10. Common toad. Recovered from az-animals.com
11. King charges. Recovered from snaketype.com
12. Crododiles. Recovered from livescience.com
13. Salmon. Recovered from worldwildlife.org
14. Gecko Recovered from kids.nationalgeographic.com
15. Bees. Recovered from wikipedia.org
16. Alligator. Recovered from az-animals.com
17. Pet corn snake (2017). Recovered from thespruce.com
18. Common frog. Recovered from froglife.org
19. Goliath birdeater. Recovered from wikipedia.org
20. Chamaleon. Recovered from az-animals.com