A prehistoric fish and one of the most critically endangered of species on earth, the sturgeon is a marvel. Rory Moore, a marine biologist and wildlife photographer, is on a mission to save this dinosaur from extinction. He has been sent to secure the protection of part of the Caspian Sea, where this [ZiYuantun.Com]fish has been brought to the brink by poachers hunting this enormous creature for its caviar. 译文(3): 鲟鱼是一种史前鱼类，也是地球上最濒危的物种之一，是一个奇{资源屯-ziyuantun.com}。海洋生物学家和野生动物摄影师Rory Moore正在执行拯救这种恐龙免于灭绝的任务。他被派去保护里海的一部分，在那里，偷猎者为了获取鱼子酱而猎杀这种巨大的生物，将这种鱼带到了边缘。
