While most anglers are vigilant about the risk of spreading non-native species and disease, there is a real risk that those that aren't could accidentally spread these organisms, harming the environment and potentially damaging the reputation of the sport.

Use these materials to learn more or teach others about non-native species, how to identify them, and how to prevent their spread:


Take the e-learning to learn about non-native species. Available modules include: 

  • an introduction to non-native species
  • identification and recording
  • identification of key freshwater plants
  • identification of key freshwater invertebrates
  • identification of key riparian plants
  • biosecurity

Identification and recording

Find out more about non-native species using the Non-native Species Information Portal

Find out how to identify more species by downloading Identification Guides

Download Invasive non-native plants associated with fresh waters - a guide to their identification developed by Scottish Natural Heritage


Visit the Check Clean Dry pages for information on aquatic biosecurity

Download a leaflet with guidance on aquatic biosecurity

Download guidance on how anglers can avoid spreading the invasive Killer Shrimp

Download a report on biosecurity for anglers, including recommendations for clubs and instructors


Control methods for non-native aquatic and riparian plants

Safe disposal of waste plant material

Health and safety

Further training and advice

Find links to training courses and experts

View our recommended reading list


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