The term invasive Alien species generally refers to organisms (plants, animals, pathogens) that are non-native to the environment which they are in and are likely to cause economic, social, and/or environmental harm. Invasive species (or introduced species or non-native species as they are sometimes called) have been deliberately or unintentionally introduced to countries. One of the most common ways by which an invasive species enters a country is through the trade industry. These species can be transported from one environment to another by concealing themselves in cargo or containers. For example, imported goods and material that are not checked thoroughly before and after transportation can result in the introduction of undetected species. Additionally, yachts, cargo ships, and other boats that move between different bodies of water can transport marine organisms from one body or water to another in their ballast water and even on the boat itself.

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