Pet owners warned of poisonous algae spotted in Loch Lomond at Luss Blue-green algae blooms can be fatal to dogs, with pet owners urged to keep away from the naturally occurring species. Blue-green algae was spotted in the Loch Lomond around Luss. (Image: Fiona MacEachern) Join thousands of others in getting the stories that matter to you sent straight to your inbox.Invalid EmailSomething went wrong, please try again later. Subscribe When you subscribe we will use the information you provide to send you these newsletters. Your information will be used in accordance with ourPrivacy Notice. Thank you for subscribingWe have more newslettersShow meSee ourprivacy notice