Scavenger is a common tool fish and has the best cleaning effect. The fish itself lives at the bottom of the water body, and its mouth is also in the lower part, which is convenient for it to suck the residual bait and dirt at the bottom of the water, thus avoiding the deterioration of the water quality. It should be noted that the scavenger can only improve the water quality in the short term, because it also excretes itself.
rat is a kind of algae-eating fish. Although it can't eat the organic matter at the bottom of the water like a scavenger, it is really good at removing algae. However, this kind of fish will only feed on moss when it is young, and the adult fish will not eat it, and it is easy to lick the scales of other fish, which will cause injuries, so it must be fished out in time.
fox Black-lined flying fox is also one of the more common algae-eating fish, which mainly eats filamentous algae and filamentous algae. It should be noted that this kind of fish can not only eat algae, but also eat other fish feed, but it is better not to feed too much, otherwise its appetite will change, causing it not to eat algae.
fish is also a kind of tool fish. It can eat moss and algae. At the same time, it can destroy snail eggs in water and control the number of snails. It is worth mentioning that this fish mainly feeds on algae, so when there is no algae in the water, it is easy to die due to lack of food.
