Bruce leighton , a marine parasite expert at simon fraser university in burnaby , noted wednesday that the die - off coincided with the peak of the starfish reproductive cycle , when the creatures are most vulnerable to orchitophrya stellarum , a protozoan that feeds on sea stars sperm 加拿大伯纳比市西蒙弗雷泽大学的海洋寄生虫研究专家布鲁斯莱顿日前表示，这些海星相继死亡的现象正好发生在它们生殖周期的顶峰时段。在这一段时间内，海星最容易受到一种名为orchitophrya stellarum的原生动物的攻击。
Bruce leighton , a marine parasite expert at simon fraser university in burnaby , noted wednesday that the die - off coincided with the peak of the starfish reproductive cycle , when the creatures are most vulnerable to orchitophrya stellarum , a protozoan that feeds on sea stars " sperm 加拿大伯纳比市西蒙弗雷泽大学的海洋寄生虫研究专家布鲁斯莱顿日前表示，这些海星相继死亡的现象正好发生在它们生殖周期的顶峰时段。在这一段时间内，海星最容易受到一种名为orchitophrya stellarum的原生动物的攻击。
