One assistant to the National Taiwan University Marine Research Institute, feeling around in the sand for a misplaced instrument, grabbed onto a stingray instead of a sextant once and spent the rest of the day in considerable pain.
台灣大學海洋研究所的計畫助理王玉懷有回在海底收儀器，因儀器置於沙中，一時找不到，他便用手去摸，結果摸到藏在沙堆的魟魚（皮上有細齒），為此痛了一整天。