Videos to CRUS 4425

Video 1. On several occasions, the shrimp trjed to turn the brittle star upside down, i.e., the oral side up. In response, the brittle star tried to turn itself to its natural position (aboral side up) by vigorously twisting and wnggling its six arms.

Video 2. The second shrimp, an ovigerous female and probably its mate, is seen carrying a detached arm of another, much larger brittle star, probably Ophiothrix sp. (Ophiotriclridae).