I don't know exactly, but my guess is they are either molting into a new growth stage, or a predator tried to eat it. A relative of them is the hermit crab, and it loses body parts when it is ill, so that might be the case, too.
yes, it can.
it just does its nature
by eating bread
Crayfish have two main body sections: the Cephalothorax and the Abdomen.if you want more info here is a web site:http:/izzperiodzcarnegiemnhzperiodzorg/crayfish/Keys/SectionVIIIzperiodzhtm#S
Crayfish are classified as arthropods, because of their characteristic segmented bodies, chitinous exoskeleton, and joint appendages.
1. Cephalothorax (Head region) 2. Abdomen (Thoracic region)
skin!!
a crayfish body is smooth. only its tail has little bumps
A crayfish's body is smooth. Only it's tail has a little bumps.
A crayfish is not a fish because they have bones on the outside of their body fish don't.
Yes
A crayfish's heart pumps hemolymph (the crayfish equivalent of blood) throughout its body, distributing oxygen and nutrients to its tissues and organs. The heart is a tubular structure located on the dorsal side of the crayfish, above the stomach.