Crawdad Vs Crawfish: Are They The Same Thing? What Is The Difference?

Supriya Jain
Sep 01, 2023 By Supriya Jain
Originally Published on Nov 10, 2021
info_i
crawdads in a store aquarium

The terms crayfish and crawfish pertain to the same group of crustaceans belonging to the Astacoidea and Parastacoidea superfamilies.

Another common name for these crustaceans is crawdad. The two names were given at different dates and by two separate scientists.

Crayfish have long been used as bait to catch fish. Crawfish, crayfish, crawdad, freshwater lobsters, mountain lobsters, rock lobster, mudbug, and yabby, are all names for them in various places.

Although there are significant overlaps in the eastern United States, the term crayfish is more prevalent in the north. At the same time, the term crawdad is more commonplace in the mid and south-western areas, and the term crawfish is common in the south.

The difference in these regional names is due to who eats the crustaceans, not the crustaceans themselves. Whenever it concerns crawfish vs crayfish or crawdads vs crawfish, everyone is, more or less, referring to the same thing. So, let’s find out more about these animal species with tiny claws.

Afterward, also read what do crawdads eat and why do fish jump? Here on Kidadl.

Why are they called crawdads?

A crawdad is a little decapod crustacean that looks like a lobster and lives in freshwater.

The phrase crawdad is commonly used by people from the West Coast, Arkansas, Oklahoma, and Kansas. Crawdads resemble small lobsters, with a front pair of sharp pinching claws, an armored body, and a large tail. The front of their body is stiff, whereas the back, abdomen, or tail is made up of moveable segments.

People in the southern US commonly call them crawfish, but crawfish is even more widely used in the mid-Atlantic and Gulf Coast regions.

Why are crawfish called crawdads?

Crawdad gets its first component from crawfish, which is another name for crayfish.

Crayfish are not fish; their name originates from a combination of Middle English 'crevis,' Middle French 'crevice,' and Old High German 'crebiz,' all of which imply crab.

The -dad ending in 'crawdad' might be related to the term doodad. The name crayfish or crawfish is derived from 'ecrevisse,' an old French word. With time, the term was changed to crayfish and eventually to crawfish in the southern United States.

To add a little more local flavor, 'crawdad' and 'mudbug' were created from these two terms.

What Is the difference between crawdads and crawfish?

Crawdad is a term used in some regions of the United States to refer to crayfish, a little creature that lives in rivers and is related to lobsters. Like lobsters, they live in small streams and beds of rivers and around the shores of various lakes and ponds.

Crawfish is a colloquial version of crayfish, and both terms are related to the same creature. This spelling is based on how specific English language speakers in the southern US enunciate the word crayfish; crawdads, crayfish, and crawfish are all the same thing.

Depending on where you reside, the phrase you use may differ significantly. Crawfish is the most commonly used term in Louisiana, but crayfish is most widely used in the north. The crawdad word is commonly used by folks throughout the West Coast, Arkansas, Oklahoma, and Kansas.

What is the difference between crayfish and crawfish?

There is no taxonomic difference between these two species.

A crayfish or freshwater lobster is a tiny freshwater crustacean. They may be found in small streams and riverbeds, as well as on lakeshores. Crayfish are found in North America, Europe, and Asia and are frequently eaten or used as bait to attract larger animals.

Crawfish is another dialectical version of 'crayfish' that refers to the same species. This variant is taken from how specific English speakers in southern North America enunciate the word crayfish.

Crawfish and crayfish are various spellings of the exact word. Crayfish, or freshwater lobsters, are the traditional names in most settings, encompassing taxonomical classification, physiology, and daily use.

Crayfish is famous in countries other than the US. Crawfish, on the other hand, is more well-known from the perspective of the cuisine from a certain region. Crayfish would appear bizarre in scenarios including southern cookery. Thus, crawfish is the preferable alternative even if it is not officially customary.

When to use crayfish?

Crayfish is a French-origin word, and it is the most often used term in the world out of its alternatives. The name was coined in the late 1860s by an English scientist named Thomas Huxley.

Outside of the US, particularly in scientific or academic aspects, crayfish is the normal spelling. Crayfish is the traditional name in most settings, which includes categorization, anatomy, and daily use.

Crayfish is popular in countries other than the United States. South-eastern North America has the largest diversity of crayfish species.

Australia is home to around 100 species divided into a dozen genera. It is home to three of the world's largest freshwater crayfish. Crayfish or cray mainly applies to a saltwater spiny lobster in Australia, New Zealand, and South Africa.

In Singapore, crayfish refers to a marine crustacean of the slipper lobster group. Actual crayfish, often known as freshwater lobster, are widely found as pets or invasive species in several water catchment regions.

When to use crawfish?

In 1817, Thomas Say, an American biologist, coined the term crawfish. This name is not widely used worldwide. Still, it is pretty popular in the United States, particularly in the southern states.

Crawfish is a linguistic variation of crayfish, both words refer to the very same creature. This spelling is based on how certain English-speaking people in the North American South refer to the phrase crayfish.

Crawfish has gained acceptance in American English, particularly in the aspect of regional cuisine. A Cajun-style restaurant presenting these species on the menu would most likely utilize crawfish rather than crayfish to emphasize or retain regional authenticity.

Caring For Your Crawdad

While crawdads are often regarded as a delicacy, they are also acceptable as aquarium pets. Take care of it like you would your other pet fish, and it may survive for up to 20 years.

Here are a few things you can do to help your crawdad:

Set up the tank correctly. Crawdads require a tank filled with clean, pollutant-free water. Make sure you provide a big tank with a tight-fitting top, as crawdads will investigate every corner and may escape.

Fill the bottom of the tank with sand and fine gravel, and then fill it with plants and ornaments to create hiding spots. To maintain water hygiene, use an aquarium pump.

Make some hiding places for your crawdad. Purchase shrimp pellets for simple feeding and comprehensive nutrition. Set up a separate aquarium for molting crawdads, and you’ll be all set!

Here at Kidadl, we have carefully created lots of interesting family-friendly facts for everyone to enjoy! If you liked our suggestions for crawdad vs crawfish, then why not take a look at why do fishes die when taken out of water or crawdad facts.

We Want Your Photos!
We Want Your Photos!

We Want Your Photos!

Do you have a photo you are happy to share that would improve this article?
Email your photos

More for You

See All

Written by Supriya Jain

Bachelor of Commerce, Master of Business Administration specializing in Marketing

Supriya Jain picture

Supriya JainBachelor of Commerce, Master of Business Administration specializing in Marketing

As a skilled member of the Kidadl team, Shruti brings extensive experience and expertise in professional content writing. With a Bachelor's degree in Commerce from Punjab University and an MBA in Business Administration from IMT Nagpur, Shruti has worked in diverse roles such as sales intern, content writer, executive trainee, and business development consultant. Her exceptional writing skills cover a wide range of areas, including SOP, SEO, B2B/B2C, and academic content.

Read full bio >