Invading Species

@invspecies

Generating education & awareness of aquatic & terrestrial invading species, address key pathways of introduction & spread and facilitate monitoring initiatives.

Ontario
Vrijeme pridruživanja: listopad 2010.

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  1. prije 15 sati

    To prevent their spread, Ontario has regulated Wels Catfish as prohibited under the Invasive Species Act. To learn more, visit (3/3)

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  2. prije 15 sati

    They have not been reported in Canada, but if they become established in our waters they could impact biodiversity through predation on native fish, amphibians, mammals, birds, and compete with our native fish for food and habitat. (2/3)

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  3. prije 15 sati

    Wels Catfish are one of the largest freshwater fish species in the world with individuals often reaching lengths of up to 3 metres. (1/3)

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  4. proslijedio/la je Tweet

    🖤 THERE’S AN APP FOR THAT: Support the circle of life! Report sightings of species right from your smartphone. Learn more here: Image: © Dufferin County Phrag Fighters

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  5. 31. sij

    In winter, it can be identified by the fungal fruiting bodies seen as small, orange-red structures in the bark. Please report any symptoms of beech bark disease by calling the invading species hotline at 1-800-563-7711 or by visiting .

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  6. 31. sij

    Beechnuts are an important food source for wildlife, especially black bears. Beech bark disease results in severe die-back in mature Beech trees, decreasing the amount of forage for wildlife.

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  7. 30. sij

    Students have been enjoying our activities and checking out the real specimens we bring along! To register for a free session in your classroom, visit

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  8. 30. sij

    We have been visiting classrooms around Southern Ontario educating students on invasive species, how they impact biodiversity, and our role in protecting the environment from their spread and establishment.

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  9. 29. sij

    To Learn more about the Channel Darter, visit

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  10. 29. sij

    All of these factors would affect essential habitat requirements for both juvenile and adult Channel Darters. To prevent water soldier from spreading or establishing in new areas, report sightings to the Invading Species Hotline at 1-800-563-7711 or visit

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  11. 29. sij

    Water soldier has the potential to reduce critical habitat utilized by species at risk, like the Channel Darter. Water Soldier will displace native vegetation, slow down water flow, alter oxygen levels, and change water temperatures.

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  12. 28. sij

    If you took this survey in 2018, don’t worry, we want to hear from you again!

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  13. 28. sij

    Tell us how you do (or don’t) prevent the spread of Ontario's invasive species. $600 in gift certificates to be won! Follow this link and complete the survey to be entered into the draw:

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  14. 27. sij

    If you see a Grass carp in the wild, be sure to take a photo and report it to the invading species hotline at 1-800-563-7711.

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  15. 27. sij

    Help prevent the spread of Grass Carp by learning how to identify them, report sightings, and spread the word to family and friends. To learn more visit:

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  16. 27. sij

    Every year, more than 1.5 million people use the Great Lakes water system. If Grass Carp become established in the Great Lakes, it could cause significant declines in the industries, jobs and recreations that depend upon them.

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  17. 24. sij

    You can join our ‘Invasive Species in Ontario’ project to stay up-to-date on invasive species reports in Ontario.

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  18. 24. sij

    Our iNaturalist project now has over 34,000 observations! When you submit an observation of an invasive species in Ontario through iNaturalist, the data is automatically collected and added to our project.

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  19. 23. sij

    With recent confirmed reports of the Hemlock Woolly Adelgid (an invasive insect attacking Hemlocks) along the Niagara River, it’s an important time to be on the look-out for this invader. If you see it, be sure to take a photo and report it by calling 1-800-563-7711 *3/3

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  20. 23. sij

    Along streams, Hemlocks hold banks in place and their dense foliage shade the water keeping temperatures stable, cooler, and more oxygenated—a necessary condition for many aquatic species like Brook Trout. *2/3

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