What type of fish is known as a biocontrol agent that feeds on mosquito larvae?

Gambusia affinis, commonly known as the mosquito fish, is recognized as an effective biocontrol agent due to its predatory behavior towards mosquito larvae. This small, hardy fish thrives in a variety of aquatic environments and can significantly reduce mosquito populations by consuming their larvae. The ability of Gambusia affinis to contribute to mosquito control is particularly valuable in areas prone to mosquito-borne diseases, making it an important organism in integrated pest management strategies.

While goldfish and catfish can consume some larvae, they are not specifically targeted for this purpose and may not feed on mosquito larvae as effectively as Gambusia affinis. Trout also primarily feed on different types of smaller aquatic organisms, and their habitats and feeding behaviors are not oriented toward controlling mosquito populations directly. Therefore, Gambusia affinis stands out as the most effective choice for this biocontrol role.