A fish lives in ponds and feeds on mosquito larvae . This helps in decreasing the chances of malaria. Identify the name of that fish?

Gambusia.

The correct answer is Option (3) – Gambusia

Gambusia, also known as mosquito fish, is well-known for its ability to consume mosquito larvae. Introducing Gambusia into mosquito breeding habitats like ponds or stagnant water bodies is a common biological control method used to reduce mosquito populations and, consequently, lower the risk of malaria transmission.

So, the correct answer is: Gambusia.