20 Anaconda General Facts: Physical Characteristics

by Sankalan Baidya
Anaconda General Facts

In our last article on Anaconda facts, we learned about the different species of Anacondas. We learned about their size and weight and we learned where to find Anacondas. What are we going to learn in this list of Anaconda General Facts? Here is what we will learn today: “What are the physical characteristics of Anacondas?”.

As we proceed through the article, we will learn the answer to the question above in a listicle format, which will allow us to segregate all information in the simplest possible way.

Let’s start…

Anaconda General Facts: 1-5 | Physical characteristics of Anacondas: Green and Yellow Anacondas

1. Let’s start with Green Anacondas. They are biggest of all Anacondas and yes, they are either greenish-brown in color or they have greenish-gray or olive color.

2. Starting from the mid-body, all the way down to the posterior, the Green Anacondas have egg-shaped spots that are either brown or black in color.

3. Some Green Anacondas will be more yellowish on their sides that green. The on sides, the egg-shaped spots can be seen. Those spots will have yellow centers.

4. Green Anacondas are pretty big but the actually size is very difficult to gauge because it is difficult to stretch out the snake properly (to learn more about the size of Anacondas, read our previous article). On top of that, people often actually overestimate the side of a Green Anaconda because of two reasons:

  • People are really afraid of the snake and they end up exaggerating the size because of this fear.
  • A Green Anaconda which has recently eaten will look quite bigger than the one that has not eaten. This is another reason for the exaggeration of the size.

5. Coming to Yellow Anacondas, they have a golden-tan color. However, their actual color may be yellow or yellow-green as well.

Anaconda General Facts: 6-10 | Physical characteristics of Anacondas: Yellow, Bolivian and Dark-Spotted Anacondas

6. Even the Yellow Anacondas will have spots, blotches, dorsal bands and streaks. They are either dark brown or black in color.

7. Yellow Anacondas have scales at the bottom of their tails. These scales are yellow and black in color. The arrangement of these scales is unique for each Yellow Anaconda.

8. According to World Land Trust, the average length of a Yellow Anaconda is about 2.7 meters or 9 feet.

9. Coming to Bolivian Anacondas, not much is known about the species. Initially it was thought that this species was a hybrid of the Green and the Yellow Anaconda but scientists eventually found that they were an entirely different species.

10. The Dark-Spotted Anacondas have brown skin color with black or dark brown spots in them. Even these Dark-Spotted Anacondas are known for growing up to 2.7 meters or 9 feet in length.

Anaconda General Facts: 11-15 | General physical characteristics of Anacondas

11. Coming to general physical characteristics of all Anaconda species, Anacondas are really stocky and muscular compared to other snakes in the Boa family.

12. While their necks are thick, Anacondas are known to have large yet narrow heads.

13. Their nostrils and their eyes are always located on top of their heads. This arrangement allows the Anacondas to wholly remain submerged in water while just keeping their eyes and nostrils above water.

14. They have a very distinctive black stripe running all the way up to their jaws from their eyes.

15. Anacondas have scales. They are smooth and small towards the front but as the scales extend towards the posterior of their bodies, they become gradually larger and larger.

Anaconda General Facts: 16-20 | General physical characteristics of Anacondas

16. These snakes are known for having spurs on scales near their cloacal region. These spurs are larger in males than in females.

17. Anacondas are known to be sexually dimorphic. This means that the males and the females can be easily differentiated. As a matter of facts, Anacondas have largest sexual dimorphism among all known tetrapod species (tetrapods are animals that have four limbs and feet and snakes have evolved from tetrapods).

18. Sexual dimorphism in Anacondas is visible in the form that females are way larger than the males.

19. Anacondas are known to have loose skin. According the the Animal Diversity Web of University of Michigan, the loose skin of Anacondas help them in water absorption.

20. Anacondas, like all other snakes are known to have forked tongues. The forked tongue help them to capture chemicals from the environment. This aids them in locating nearby preys and even finding a suitable mate. They also have the Jacobson’s organ on the roof of their mouths. This is where the chemicals collected from the environment are processed.

Sources: 1, 2, 3

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