a supposed sheep「s milk cheese was actually from cows. and alleged sturgeon caviar was just cheap mississippi paddlefish eggs.
他们还发现了有些人用牛奶来冒充羊奶奶酪、用便宜的密西西比白鲟鱼籽来做所谓的鲟鳇鱼子酱。
dewoody said about 15 genes found in the lake sturgeon came from schistosoma, a parasitic worm.
代物第说,在湖鲟体内发现大约有15个基因是来自血吸虫——一种寄生虫。
it is the largest catfish in north america and the third largest obligate freshwater fish in north america, behind the lake sturgeon and paddlefish.
它是北美体型最大的鲶鱼,并且是北美第三大纯淡水鱼,排在其之前的分别是黄鲟和白鲟。
hale said genes often work in combination, and new genes may one day become involved with other genes to help the lake sturgeon create new traits needed to adapt to changes in its environment.
黑尔说,基因常常是组合起来才起作用。有望某天新基因会和其他基因关联在一起,使湖鲟产生适应所处环境变化所需的新性状。
and they may be long-lived: cod can survive to 30, if they are lucky, and sturgeon to 100.
而且他们的寿命可能也长:鳕鱼可以活30年(如果它们幸运的话),鲟鱼可以活到100岁。
officials blame bad weather, and pollution for the dwindling numbers of sturgeon - the fish whose eggs produce one of the world」s priciest gourmet treats.
俄国官员们抱怨说恶劣的天气、污染是鲟鱼数量减少的原因--它的卵是世界上最昂贵的美味之一。
many fish take years before they are mature enough to spawn: cod, three or four, sturgeon 20, orange roughy 32.
很多鱼在成熟到足以产卵前要生长很多年:鳕鱼是三或四年,鲟鱼是20年,罗非鱼是32年。
the reserve is home to 180 different fish species, including the already endangered chinese sturgeon and the finless porpoise.
这个保护区是180种鱼类的栖息地,其中包括已经濒危的中华鳕和江豚。
adding to its complexity, kashagan lies at the heart of a delicate ecosystem, home to many species unique only to these waters, such as the sturgeon and the rare caspian seal.
让情况更为复杂的是,卡沙干附近的海域里很多物种都是那里独有的,如鲟鱼和里海海豹。
「humans can have an effect very quickly and very easily on the sturgeon population, 」 hale said.
「人类对鲟鱼的种群数量的影响可以是迅速而轻易的,」黑尔说。
however, sturgeon warned that it could take several days before it was clear whether the new suspected cases were swine flu, since it had taken five days for the first two cases to emerge.
然而,斯特金警告称,在新的疑似病例是否是猪流感病例弄清楚之前,还需要几日的时间,因为经过五天时间之前的两例病例才开始出现。
the baiji dolphin, the ancient river sturgeon and the finless porpoise depend on the yangtze fortheir survival.
白鳍豚,古老的鲟鱼和江豚都生活在长江中。