They are often hard to find because their greenish color helps camouflage them in the seaweed.
(They; are; T:often; hard to find; because their greenish color helps camouflage them in the seaweed) (They; to find; ) (their greenish color; helps; camouflage them in the seaweed)
They They their greenish color
are to find helps
T:often hard to find because their greenish color helps camouflage them in the seaweed
camouflage them in the seaweed