3, go to this web page for a fantastic explanation: www.science.mcmaster.ca/.../CRAYFISH/CRAYFISH.HTM
Rats, mice, frogs, crayfish, and any other animals that will fit in their mouths.
There are many advantages of various shapes of mouths from a Cray fish. This can allow them to eat different food than other ones of their kind.
crayfish have six antennae
a crayfish can have up to 100 babies.
Crayfish have a total of 5 swimmerets
mouths
A crayfish has one heart that contains two chambers
There are six segments on the abdomen of a crayfish
I guess it depends how many mouths they have.
The term 'Polystomatous' means many mouths in Greek.
Earthworms have one mouth.
Many people think there is no predators of crayfish in England. Well they are morons who don't see many river animals. My mum LOVES crayfish and me and my family are from England and in fact, we caught 4 crayfish today and we got them in a pot. There is actually natural predators. Herons, otters, wild, feral or stray cats, mink and other crayfish eats crayfish.