Scavengers are omnivorous fish that suck algae, benthos and garbage in the water, but they should not be mixed with mild or small fish. If it breeds in large quantities, it will devour other fish eggs and lead to the extinction of other fish.
Extended data:
Scavenger is a general term for multi-spoke fin-scale fish and lower-mouthed fish, belonging to Silurinae of Siluridae.
Because the scavenger likes to eat the bait and dirt left in the aquarium, it plays a role in purifying the water quality, so it is named, also known as sucking fish and sucking catfish, and its scientific name is Silurus asotus, which is native to rivers in South America and can often be seen in Central America.
The fish body is semi-cylindrical, the tail fin is shallow and forked, and it likes weak acid and soft water. The suitable water temperature is above 20℃. Adult fish can't overwinter naturally and move at the bottom of water. It has the characteristics of strong adaptability, easy feeding, omnivorousness, hypoxia tolerance and high capture rate, and is welcomed by consumers and farmers.
References:
Scavenger fish-Baidu encyclopedia