Published on: December 7, 2021
overnight no prescription Aurogra A tiny snail with a golden-yellow shell found in the Edappally canal in Kochi has been flagged as an invasive species
- Spotted by researchers of the Department of Marine Biology, Microbiology, and Biochemistry of the Cochin University of Science and Technology (CuUSAT)
- Identified as the acute bladder snail PHYSELLA ACUTA
- Globally branded as highly invasive.
- First time reported in Kerala
- HOW IS IT INVASIVE
- Plays host to worms that can cause food-borne diseases and skin itches in humans
- It has rapid growth rate, air-breathing capability
- Tolerance to pollution makes it a potential competitor to native fauna.
MAHITI FOR PRELIMS
- Species that is not native to a specific location (an introduced species)
- Has a tendency to spread to a degree believed to cause damage to the environment, human economy or human health.
- Species living outside its native distributional range, but which has arrived there by human activity, either deliberate or accidental.
- Appear to have specific traits or specific combinations of traits that allow them to outcompete native species.
- Common invasive species traits include the following:
- Fast growth
- Rapid reproduction
- High dispersal ability
- Phenotype plasticity (the ability to alter growth form to suit current conditions)
- Tolerance of a wide range of environmental conditions (Ecological competence)
- Ability to live off of a wide range of food types
- Association with humans
- Prior successful invasions