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.
To je nevjerojatno promatrati, ali u tome nema ništa vidovnjačko ili paranormalno; jednostvano ti rakovi imaju razvijen unutarnji ciklus koji je usklađen, obično, s onime što se događa oko njih.