1. It will feed on the feces of other fish, resting during the day and active at night, and will nibble on water plants. It mainly takes the impurities under the water as its main food, like fish feces, algae, impurities on plant stems and fish smaller than it. The main reason why it is called a scavenger and trash fish is that it can clean up the moss and trash material in the aquarium.

2. The scavenger is also called trash fish, pipefish, etc. It is now mainly kept as an ornamental fish.

3, the most important characteristic of the scavenger is tenacious, it can eat impurities to live, while the scavenger is no natural enemies, so it can be said to be in the water is carefree, but this has brought disadvantages to the local water ecosystem, it is due to the lack of natural enemies, there can be a long time to survive, so the number of people in the water can be said to be only increasing, which seriously breaks the water ecology.

4, common scavenger: common scavenger also called King heterotypic, can also be said to suck mouth catfish, origin is Paraguay, South America, people keep scavengers used to remove the bottom of the tank fish feces, residual feed and other dirt, as the scavenger fish is very omnivorous aquatic organisms, whether it is algae, or the corpse of a dead fish, moss, fish worms, as long as it is possible to eat it is all to eat, eat it all. The fish is a very omnivorous creature.