Courses
Courses for Kids
Free study material
Offline Centres
More
Store Icon
Store

Rattlesnake Scientific Name and Taxonomic Classification

share icon
share icon
banner

What Is the Scientific Name of Rattlesnake Genus Crotalus and Sistrurus Explained

Different species are named based on binomial nomenclature. The binomial nomenclature mainly consists of two names, and both these names are derived from Latin. But in some cases, it can be derived from other languages too. This name is termed as a binomial name or a scientific name. Every first part of the name tells us about generic name or genus to which organism belongs whereas the second part tells us about species name i.e. the identified by which we can differentiate organism from others. For writing binomial nomenclature, there are certain rules which have to be followed. Like Genus should always be written in capital letters while species in small letters. 


Why Scientific Name is Considered Better Than Common Name:

Criteria of writing or naming living beings on the basis of their scientific origin, which is composed of two parts is known as binomial nomenclature. Let's consider one example: the scientific name of human beings is Homo sapiens. As this method of writing living being based on its scientific origin has its own advantages. As with the help of scientific names of binomial names one can easily identify scientists and other researchers to accurately identify individual species along with that it also helps people throughout the world to communicate unambiguously about animal species. As these are unique names and can not be changed with respect to area, location or region. 


Rules of Binomial Nomenclature:

To give unique identification, biologists across the world follow a unique set of principles for naming of organisms. For this unique identification process, two codes where setup for naming organism, they are:

A. International Code of Botanical Nomenclature: It is mainly for naming plants and their species.

B. International Code of Zoological Nomenclature: it is mainly for nominal animals and their species. 

By using these codes we name organisms so that they can get unique identification. 

Binomial nomenclature follows certain conventions. As each scientific name has two parts:

1. Generic name

2. Specific epithet.


About Rattlesnake:

Of the total 33 venomous species, Rattlesnake is one among them and they have a segmentation at the tip of the tail and this produces a buzzing sound when vibration is produced. They are mainly found in southern Canada to Central Argentina but their maximum number is in desert areas of the southwestern United States and northern Mexico. Length of adult rattlesnake varies from 0.5 to 2 metres (1.6 to 6.6 feet). Their few species have special features with transverse bands, whereas maximum rattlesnakes are blotched with dark diamonds, hexagons, or rhombuses on a lighter background. Their colour mainly varies from grey or light brown, whereas in some snakes their colour are of various shades i.e. orange, pink, red, or green.

Their requirement for water is at least about their own body weight annually to make their body constantly hydrated. They drink water from large water bodies like streams, ponds, etc. As they submerge their head and ingest water by opening their mouth and closing jaws and by this they suck water. They also take water from other sources like small puddles, from dew, etc. 


Classification of Rattlesnake:

The scientific name of rattlesnake is Crotalus cerastes.

Kingdom: Animalia

Phylum: Chordata

Class: Reptilia

Order: Squamata

Suborder: Serpentes

Family: Viperidae


[Image will be uploaded soon]


Do You Known Facts:

1. Australia comes in the first position when it comes to the number of snakes.

2. Russell's viper is the most dangerous snake in Asia. 

3. Tamil Nadu has the least number of snakes in India.

4. Octopuses reproduce once in their lifetime and then they die.

Want to read offline? download full PDF here
Download full PDF
Is this page helpful?
like-imagedislike-image

FAQs on Rattlesnake Scientific Name and Taxonomic Classification

1. What is the scientific name of a rattlesnake?

The scientific name of a rattlesnake depends on the species, but most rattlesnakes belong to the genera Crotalus and Sistrurus. These genera are part of the Viperidae family.

  • Crotalus includes larger rattlesnakes like the Western diamondback.
  • Sistrurus includes smaller species like the massasauga.
Therefore, there is no single scientific name for all rattlesnakes, but they are mainly classified under these two genera.

2. Why are rattlesnakes classified under the genus Crotalus?

Rattlesnakes are classified under Crotalus because they share key structural and genetic traits typical of this genus.

  • They possess a segmented rattle at the end of the tail.
  • They have heat-sensing pit organs.
  • They are venomous pit vipers.
These shared evolutionary characteristics justify their placement in the genus Crotalus.

3. What is the scientific name of the Western diamondback rattlesnake?

The scientific name of the Western diamondback rattlesnake is Crotalus atrox. This species is one of the most well-known rattlesnakes in North America.

  • Genus: Crotalus
  • Species: atrox
  • Family: Viperidae
It is recognized by its diamond-shaped back patterns and potent venom.

4. What family do rattlesnakes belong to?

Rattlesnakes belong to the family Viperidae, which includes venomous vipers. More specifically, they are part of the subfamily Crotalinae, known as pit vipers.

  • Family: Viperidae
  • Subfamily: Crotalinae
  • Genera: Crotalus and Sistrurus
Members of this family have long, hinged fangs and venom glands.

5. What is the difference between Crotalus and Sistrurus?

The main difference between Crotalus and Sistrurus is size, scale structure, and rattle development.

  • Crotalus: Larger species with more developed rattles.
  • Sistrurus: Smaller species with relatively smaller rattles.
  • Sistrurus species often have nine large head scales.
Both genera are true rattlesnakes within the pit viper group.

6. What does the scientific name Crotalus mean?

The term Crotalus comes from the Greek word “krotalon,” meaning castanet or rattle. This name refers to the distinctive tail rattle found in these snakes.

  • The rattle is made of keratin segments.
  • It produces sound as a warning signal.
The scientific name directly reflects this defining biological feature.

7. Are all rattlesnakes venomous?

Yes, all rattlesnakes are venomous because they are members of the pit viper subfamily Crotalinae. Their venom is primarily hemotoxic, affecting blood and tissues.

  • They have hollow, retractable fangs.
  • Venom is produced in specialized glands.
  • Venom helps immobilize and digest prey.
Despite being venomous, they usually bite only in defense.

8. How are rattlesnakes scientifically classified?

Rattlesnakes are scientifically classified using the hierarchical system of biological taxonomy. Their classification is:

  • Kingdom: Animalia
  • Phylum: Chordata
  • Class: Reptilia
  • Order: Squamata
  • Family: Viperidae
  • Genera: Crotalus and Sistrurus
This classification reflects their evolutionary relationships among reptiles.

9. How many species of rattlesnakes are there?

There are about 30 to 35 recognized species of rattlesnakes, depending on taxonomic interpretation. These species are divided between:

  • The genus Crotalus
  • The genus Sistrurus
New genetic research sometimes revises the exact number due to reclassification of subspecies.

10. What is the scientific name of the Eastern diamondback rattlesnake?

The scientific name of the Eastern diamondback rattlesnake is Crotalus adamanteus. It is the largest venomous snake in North America.

  • Genus: Crotalus
  • Species: adamanteus
  • Habitat: Southeastern United States
It is known for its bold diamond-shaped dorsal patterns and powerful venom.