Simplify the following text for a Grade 11 native English-speaking person.
Original: While this means the animal is not capable of changing its skin color in the dramatic fashion of shallow-dwelling cephalopods , such trickery is not needed at the lightless depths where it lives .
Simplified: While this means the animal is not capable of changing its skin color in the dramatic fashion of shallow-dwelling cephalopods , such trickery is not needed at the pitch black depths in which it lives .