It is a part of the nervous system localized in the head of the animal. It is form by the retina, neurons and glial cells. Vision is its main function.
yes it is.
Shoot it in the eyestalk.
Eyestalk
Eyestalk..................simples
eyestalk
Crayfish
My older crayfish died and my littler crayfish has not yet how do/can they die?
Crayfish are known as both crayfish and yabbies in Australia. "Yabbies" are freshwater crayfish, often found in rivers, creeks and dams in rural areas.
protects the crayfish
Do crayfish have tarritoris
Crayfish are omnivores.
Crayfish are related to small lobsters. Here is a link for pictures of crayfish. http://mackers.com/crayfish/pics.htm