sorry to say in englsih at my office cant use Thai keys in my case i'll remove everythings to help my crayfish can hide such as stone but in your aquarium musn't have fish or another crayfish because it will increase harming to our crayfish.
now my crayfish he like to walk around and climb all the day many times he climb on the oxygen pipe to outside [เอ๊ะ!!!] pls becareful for this case cryingrun
sorry with my phrase (im 'snakesnakefishfish' 55+)