translation.en: And it's incredible to watch, but there's nothing psychic or paranormal going on; it's simply that these crabs have internal cycles that correspond, usually, with what's going on around it.
translation.zh: 这非常不可思议， 但这不是什么灵异或是超自然现象； 原因很简单，这些鲎拥有 能与周围环境相协调的内部周期。