Nowadays，the whales is in Because many countries kill them for different use，they are dying To protect our earth and ocean，especially the diversity of we must realize that we should take effective measures to protect If the whales died out，it would have an important influence on other animals in the Also，the environment will be I sincerely hope that we can make our effort to save them!如今，鲸鱼是危险的由于许多国家杀了他们不同的使用，他们死了保护我们的地球和海洋，特别是生物多样性我们必须意识到我们应该采取有效的措施来保护他们如果鲸鱼死了，它会在海面上的其他动物的重要影响同时，环境会改变我真诚地希望我们能努力拯救他们!
Zanders (luciopercaluciopercaLinnaeus) belongs to the bony fish outline， radial fins subclass， and perciformes， bass， Native to EAfter introduced zanders in xinjiang in 1993， appeared zanders erqis river， ili river Especially some fish by fish invasion natively somehow into no distribution of waters ecosystems， artificial introduction is an important way of promoting the invasion of exotic fish， fish in all invasive species accounted for 5% of about 10 At present， the introduction of aquaculture is the common practice of aquaculture， such as lack of unified supervision effectively， didn't mean to be put into natural waters will lead to serious Zanders populations in a survey found that the Yangtze river basin， the survey data， the distribution area is wide， population quantity few， group length between 74 mm to 144 mm， weight between 1 g and 8 g， did not become the dominant Zanders is a carnivorous fish， its population expansion will cause serious damage to the natural water system of fishery resources and its waters ecosystem safety， therefore， timely monitoring and tracking research has the extremely vital
