Crab wears an anemone as a hat

The crab that stars in this video seemed to be very well camouflaged, until it moved and discovered its hiding place: an anemone it was wearing as a hat. The images were captured by Dang Truong Dang in Anilao, Philippines in April 2020. Dang said, "It was the first time I saw such a thing and it was very exciting.