一、小三毛金藻 该藻金黄色,因生有三根鞭毛,故得名。当池中的小三毛金藻大量繁殖后,会分泌出一种毒素,能使鱼类中毒死亡。初时,部分鱼类如鲢、鳙等向池的四隅集中,驱之才散,这是鱼类大量中毒的前奏。当池水毒性加重时,几乎所有的鱼都集中排列在池边水面附近,头向岸边,静止不动,鱼类很快死亡。 First, the small three golden algae The algae golden yellow, because there are three flagella, so named. When the pool of small Mauve algae multiply, it will secrete a toxin, can make fish poisoning death. At first, part of the fish, such as silver carp, pomfret and other four corners of the pool to focus on the disperse, which is a prelude to a large number of fish poisoning. When the water toxicity increased, almost all the fish are concentrated in the pool near the water surface, head to the shore, standing still, the fish died soon.