Difference Between Crawfish and Lobster (With Table)

Crawfish and lobster are both aquatic animals. Even though a crawfish and a lobster look the same, there are many differences between these two creatures as they do not even belong to the same genetic families. Both these have differences which lie in their characteristics, adaptation, eating habits, etc. The difference between them isn’t that limited, and it goes a vast list of their differences even though they look alike.

Crawfish vs Lobster

The difference between Crawfish and lobster is that a crawfish is small compared to a lobster and lives in water which is fresh like rivers, lakes, etc. and, on the other hand, a lobster is large as compared to Crawfish and lives only in saltwater like the oceans, and seas.

A Crawfish belongs to the Canbaridae, Astacidae, and Parastacidae family. This fish is mostly found in North America. An adult crawfish can grow up to 3 inches long, which makes them a bit small. A crawfish lives only in freshwaters like rivers, lakes, streams, and ponds. A crawfish does not have any pincers and claws such as such.

A lobster belongs to the Palinuridae family. Lobsters are usually large. They are usually found in Europe. A lobster has two sets of pincers and claws, unlike a crawfish. They live in saltwater like seas and oceans. Lobsters are also observed to be very colorful by nature to look at.

Comparison Table Between Crawfish and Lobster

Parameters of comparisonCrawfishLobster
Family A Crawfish belongs to the Canbaridae, Astacidae, and Parastacidae kingdom family.A lobster belongs to the Palinuridae family.
Vertebrate/invertebrateA crawfish is an invertebrate that does not have pincers and claws.A lobster is a vertebrate having pincers and claws.
Where they liveA crawfish lives in freshwaters like rivers, lakes, and streams.A lobster stays in freshwaters like seas and oceans.
Found in A crawfish is widely found in North America.A lobster is widely found in Europe.
Their preyA crawfish eats small fishes, worms, and plants.A lobster eats insects, prawns, and snails.

What is Crawfish?

A Crawfish belongs to the Canbaridae, Astacidae, and Parastacidae family. This fish is mostly found in North America. An adult crawfish can grow up to 3inches long, which makes them a bit small. A crawfish lives only in freshwaters like rivers, lakes, streams, and ponds. A crawfish does not have any pincers and claws such as such.

A crawfish has a head which is a joint, and a body that is segmented from the thorax. The head of a crawfish is sharp and stout, and their eyes are small and compounded, which makes them move. They have a thin shell covered over them, but even though it’s thin, it’s tough enough.

A crawfish is considered an invertebrate. This means that a crawfish does not have a backbone at all. Crawfish is usually green. They usually eat insects like worms and plants. They use their strong claws and something but hard skin covering as a shield which helps them in defending their attackers. Crawfish is usually called mini lobster in Europe while they are served to eat.

The Tasmanian is a giant freshwater crawfish which is stated as the largest freshwater invertebrate in the world. This is found in Australia. Murray is one more species of Crawfish that is widely found all over. Besides all this, a crawfish has the ability to tolerate salinity and extreme temperatures of water. They have the survival skills to live in a place that is completely dried up, without any water. But besides all this, they are highly intolerant to pollution.

What is Lobster?

A lobster belongs to the Palinuridae family. Lobsters are usually large. They are usually found in Europe. A lobster has two sets of pincers and claws, unlike a crawfish. They live in saltwater like seas and oceans. Lobsters are also observed to be very colorful by nature to look at.

A lobster has a long body and traits which are muscular to feel as well as by appearance. They are usually found to be living in burrows or crevices which are over the seashore. They have two sets of claws which they use for their defense against an attacker in their surroundings.

Lobsters feed on creatures and insects like snails, small fishes, and prawns. A proper lobster has claws on the first three pairs of its legs and has a large claw at one of the legs. Lobsters are said to look very adorable by appearance. It appears in different kinds of colors all over. The Breton lobster is said to be a common species of lobster found in many places. The most attractive and colorful lobsters are known as reef lobsters.

Main Differences Between Crawfish and Lobster

  1. A Crawfish belongs to the Canbaridae, Astacidae, and Parastacidae kingdom family, and, on the other hand, a lobster belongs to the Palinuridae family.
  2. A crawfish is an invertebrate that does not have pincers and claws, while on the other hand, a lobster is a vertebrate having pincers and claws.
  3. A crawfish lives in freshwaters like rivers, lakes, and streams, and on the other hand, a lobster stays in freshwaters like seas and oceans.
  4. A crawfish is widely found in North America, while a lobster is widely found in Europe.
  5. A crawfish eats small fishes, worms, and plants, whereas a lobster eats insects, prawns, and snails.

Conclusion

Usually, people make mistakes when it comes to distinguishing between a Crawfish and a lobster. Both have their differences when it comes to their genetic family, eating habits, color, appearances, and the places where they are usually found in.

Crawfishes are usually green in color, while lobsters are in many colors and even though some people are confused about their appearance. They have differences in their characteristics and features.

Based on all these, there is no denying the fact the differences between lobsters and Crawfish are significant and multiple. Hence, one should surely not be mistaken in the identification between the two.

References

  1. https://www.karger.com/Article/Abstract/234418
  2. https://fortuna.mote.org:8443/xmlui/bitstream/handle/2075/2771/bl1836.pdf?sequence=1
x
2D vs 3D