Gambusia Fish

Andhra Pradesh government has released approximately 10 million Gambusia fish into the state’s water bodies to combat mosquito-borne diseases like malaria and dengue

Key Points

  • While this method has been implemented with good intentions. concerns have been raised regarding its potential impact on native species and the overall ecosystem.
  • The fish is used as a biological agent to control mosquito larvae and has been part of mosquito-control strategies in India since 1928.
  • Gambusia fish are known for their high breeding capacity and adaptability, allowing them to survive in diverse environments.
  • It has been selected due to its ability to consume mosquito larvae, effectively controlling their population.

Gambusia Fish

  • Gambusia fish, commonly known as mosquitofish is a fish native to the southeastern United States
  • The fish belongs to family Poecilidae and genus Gambusia is used as a biological agent for controlling mosquito larvae across the world.
  • They are often referred to as plague minnows due to their explosive spreading, higher reproduction rate and their negative impact on local ecosystems.
  • G affinis has a sister species, Gambusia holbrooki (G holbrooki), also known as the eastern mosquito fish.
  • This fish species shows a high breeding capacity for instance 900 and 1200 offspring could be produced during the lifespan of a single female Gambusia.
  • The IUCN lists the Gambusia affinis among 100 of the world’s worst invasive alien species

An Invasive Species

  • They compete with other fish for resources and evidence Suggests that they predate on other fishes’ fries and frog larvae.
  • After the introduction, the Gambusia fish hijacks the food web and breaks the existing cycle, causing an imbalance in the ecosystem.
  • The fish also negatively affect the aquaculture industry as they prey on the eggs of and compete for resources with economically-important fish

Leave a Comment

Your email address will not be published. Required fields are marked *

error: Content is protected !!
Open chat
Any Time Doubt
Exact IAS
Any Time Doubt