Invasion of exotic Channa argus in USA and its
1. Introduction Exotic species are referred to the species of living organisms when discovered in an alien habitat. These exotic species when harms the ecological balance in their introduced habitat, then they are called invasive species. Channa argus commonly known as northern snakehead are native of China, Korea and Russia (Courtenay and Williams 143). In United States, it was first discovered by a fisherman in a pond in Crofton, Maryland in the year 2002 (Fields 1). It is considered highly invasive due to its harmful impacts on the aquatic ecosystem in the United States. Firstly, these fishes are voracious creatures ...
