水蚤有大量之前从未见过的基因，也有一大堆在人类身上就发现的相同基因，其数量是至今科学家所知的昆虫或甲壳类生物中最多的。
Daphnia has a large number of never-before seen genes, as well as a big chunk of the same genes found in humans, the most of any insects or crustacean so far known to scientists.
他们包括平均寿命只有11.6天的桡脚类的动物（一种小的甲壳类动物）非洲的汤氏纺锤水蚤，和可以存活74年的珍珠胎贝(珠母贝)。
They included cold-blooded organisms that ranged in average lifespan from 11.6 days for the copepod (small crustaceans) Arcartia tonsa to 74 years for the pearl mussel (Margaritifera margaritifera).
戈斯以水蚤（Daphniamagna）——一种微小的淡水甲壳类昆虫——为研究对象。 该类昆虫过去常被用于各类水生生物毒性研究中。
Goss studied Daphnia magna, a tiny freshwater crustacean used in many aquatic toxicity studies.
异脚类，端足目动物异脚类的一种小甲壳纲动物，如滨海的水蚤，体侧扁，无甲壳。
A small crustacean of the order amphipoda such as the beach flea having a laterally compressed body with no carapace.
“水蚤”不是昆虫而属于桡足类，是一种象龙虾和蟹一样的甲壳类动物，但极其微小。
"Water fleas" are not insects but copepods, a crustacean like lobsters and crabs but extremely small.
“水蚤”不是昆虫而属于桡足类，是一种象龙虾和蟹一样的甲壳类动物，但极其微小。
"Water fleas" are not insects but copepods, a crustacean like lobsters and crabs but extremely small.
应用推荐