copepods

Small, mosquito-eating fish and copepods (tiny crustaceans) have also been used with some success.
也曾使用过吃蚊子的小鱼和桡足虫（极小的甲壳虫类），具有一定效果。
The horizontal distribution of copepods in the upper wind position was 3~5 times that of lower wind position.
而在水体缺氧时，上、下风位表层高出底层近3倍。
Moreover, survival rate of yolk-sac larvae significantly decreased by the presence of copepods and bottom substrate (sand and silt).
此外，卵黄囊期仔鱼的活存率，明显地会受桡足类之存在与否及底质类型（砂质或泥质）之影响。
Water quality - biological methods - determination of acute lethal toxicity to marine copepods copepoda , crustacea.
水质。生物法。海洋桡足亚纲动物桡足目，甲壳纲急性致命毒素的测定。
Species composition, distribution and density of copepods showed significant seasonal variation.
各样点种类数差异不大，但组成上却有不同。
Tiny organisms called rotifers and copepods, meanwhile, consume bacteria, cleaning out pathogens like salmonella.
与此同时，轮虫和桡足动物之类的微生物又会消耗细菌，清除沙门氏菌一类的病原体。
" Water flees fleas" are not insects but copepods , a crustation crustacean like lobster lobsters and crabs crabs but extremely small.
水蚤不是昆虫类而是桡脚类的动物，像龙虾或螃蟹那样有甲壳的，但是非常小的。
" Water fleas" are not insects but copepods copepods , a crustacean like lobsters and crabs but extremely small.
水蚤不是昆虫而是桡脚类，是一种像龙虾和蟹一样的甲壳类动物，不过要小的多。
"Water fleas" are not insects but copepods , a crustacean like lobsters and crabs but extremely small.
“水跳蚤”不是昆虫，但桡足类的甲壳类动物一样龙虾和螃蟹，但非常小。
The copepods abundance impact on the abundance distribution of fish eggs, larvae.
长江径流量变动对鱼卵仔鱼数量和分布产生一定的影响。