食蚊鱼

家用洗涤剂对红剑鱼、孔雀鱼和食蚊鱼的急性毒性实验观察

Acute Toxicity of Domestic Detergents on Xiphophorus helleri , Poecilia and Gambusia affinis

食蚊鱼的消化道由口咽腔、食道、肠和肛门组成。

The digestive tract of Gambusia affinis consists of cavum , oesophagus , intestine and anus .

杜德俊说，科学家对食蚊鱼的有效性存在意见分歧。

Scientific opinion on the effectiveness of the mosquito fish is divided , Dr. Dudgeon said .

食蚊鱼种群的体长结构呈季节性动态变化规律；

The population body structure of mosquito fishes was correlated with the seasonal variation of water temperatures .

上海市河道的氮源污染物及其对食蚊鱼急性毒性的初步研究

Pollution and Acute Toxicity to the Mosquitofish of Ammonia and Nitrite Nitrogen in Urban Rivers of Shanghai

而食蚊鱼也吃其他本地物种的卵和幼虫，因此可能产生有害影响。

And the mosquito fish can have a harmful effect by eating the eggs and larvae of other native species .

广州市海洋与渔业自然保护区管理站救护部部长刘汉生对《广州日报》说，食蚊鱼是外来入侵物种，其投放应受到严格控制。

Liu Hansheng , an official with the Administration of Oceans and Fisheries , told Guangzhou Daily that the fish were invasive and that their introduction should be carefully controlled .

据国家通讯社新华社报道，广州水务局还在10月15日宣布，从北美引进了食蚊鱼以“控制静态水体”。

The city 's water bureau also announced on Oct. 15 that it had introduced mosquito fish from North America to " controllable static waters , " Xinhua , the state-run news agency , reported .

本次研究还新记录到1种高危入侵物种&食蚊鱼。（2）洱海鱼类空间分化明显，各水层都分布有生长快、繁殖力大、适应性强的种类。

A new kind of fish was recorded in this survey which is a high-risk invasive species . ( 2 ) The spatial structure of fishes is obvious in Erhai Lake . Each water-course has fast growth , fertility , and adaptable species .

一些科学家警告说，投放外来物种食蚊鱼可能会产生意想不到的后果，但也有人说，广东水域中已有食蚊鱼，因此其环境影响可能不会太大，但这种鱼的效果可能也很有限。

Some scientists have warned that use of the nonnative mosquito fish could have unexpected consequences , while others say that mosquito fish are already found in Guangdong waters and the environmental impact might not be significant , but that the effectiveness of the fish may also be limited .