Brown or red.
gray or white
No they can see color
Red
brown,orange,red.
black
A frog can ribbet and have different color skin and a crayfish doesn't make sounds
Crayfish live in the water, dragonflies dont. crayfish have pincers & gills, dragonflies dont. Dragonflies have wings, crayfish dont. dragonflies start life a a larvae, crayfish dont.
After molting their exoskeleton, crayfish are a deep red colour. Some may be lighter than others.
Raw sugar is typically a light to medium brown color.
The difference between an English crayfish and an American crayfish is the English crayfish grows to about 3 inches long. It is red- brown in color. It's claws has a turquois and white blotch on the edge of the claw. The American crayfish grows to about 6 inches long. This crayfish is much larger and it's claws are red underneath.
Blue is raw in jeans.
Most types of crabs are grey or blue, prior to cooking.