돌묵상어가 기후변화를 알려주는 훌륭한 지표가 될 수 있다는 제의도 있는데 왜냐하면 상어들이 입을 벌리고 헤엄을 치면서 계속해서 플랑크톤을 먹기때문이죠.
And it's been suggested that basking sharks would make fantastic indicators of climate change, because they're basically continuous plankton recorders swimming around with their mouth open.