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Fish have a normal internal skeleton. Crayfish have a shell on the outside of their body and that does the job of a skeleton as well as protects the animal from some forms of attack.

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Is crayfish a true fish?

No, crayfish are not true fish; they are crustaceans, which are more closely related to shrimp and crabs. Crayfish belong to the class Malacostraca within the phylum Arthropoda, while true fish are part of the phylum Chordata. Crayfish have a hard exoskeleton and gills, which differentiate them from true fish that have a backbone and a different skeletal structure.


Do crayfish eat other fish?

Crayfish are not fish, and they love to eat fish if they can catch them.


Why is a crayfish not a fish?

A crayfish is not a fish because they have bones on the outside of their body fish don't.


What is the plural of crayfish?

The plural of "crayfish" can be either "crayfish" or "crayfishes." Both forms are accepted, with "crayfish" being more commonly used. The term refers to multiple individuals of the same species, similar to how the word "fish" can refer to multiple fish of the same or different species.


Does the crayfish an fish?

The crayfish isn't a fish at all - it is related to the lobster.


What is different between a frog and a crayfish?

A frog can ribbet and have different color skin and a crayfish doesn't make sounds


Can you put fish in with crayfish?

Crayfish will actually attack fish. It is best to keep them separated.


Do cray fish eat fish food?

yes, crayfish do eat fish food. i feed my crayfish fish food all the time


Do cray fish eat fish-food?

yes, crayfish do eat fish food. i feed my crayfish fish food all the time


Are crayfish vertebrates?

No, they are crustaceans, not fish . they are invertabrates.


Do puffer fish eat crayfish?

Yes they do eat Crayfish


Where do you fish crayfish on RuneScape?

There is a lake where you can fish crayfish northwest of Lumbridge Castle (east of Draynor Village).