American Museum of Natural History on Twitter: "Feeling a bit sluggish this Monday? If so, you're in good company—meet the red triangle slug! Its namesake red triangle is where you'll find its
![Red triangle slug, Triboniphorus graffei, Athoracophoridea, slug, animal, Blue Mountains National Park, Queensland, Australia Stock Photo - Alamy Red triangle slug, Triboniphorus graffei, Athoracophoridea, slug, animal, Blue Mountains National Park, Queensland, Australia Stock Photo - Alamy](https://c8.alamy.com/comp/2BK3144/red-triangle-slug-triboniphorus-graffei-athoracophoridea-slug-animal-blue-mountains-national-park-queensland-australia-2BK3144.jpg)
Red triangle slug, Triboniphorus graffei, Athoracophoridea, slug, animal, Blue Mountains National Park, Queensland, Australia Stock Photo - Alamy
![RED TRIANGLE SLUG TRIBONIOPHORUS GRAEFFEI SPECIES Editorial Stock Photo - Stock Image | Shutterstock RED TRIANGLE SLUG TRIBONIOPHORUS GRAEFFEI SPECIES Editorial Stock Photo - Stock Image | Shutterstock](https://editorial01.shutterstock.com/preview-440/5204020a/70bb8bcc/Shutterstock_5204020a.jpg)
RED TRIANGLE SLUG TRIBONIOPHORUS GRAEFFEI SPECIES Editorial Stock Photo - Stock Image | Shutterstock
Wild Blue Mountains - THE RED TRIANGLE FIGHTS BACK Here an elegant Red Triangle Slug (Triboniophorus graeffei) is out and about on the trunk of a Scribbly Gum in Blue Mountains bushland,
![Red triangle slug, Triboniphorus graffei, Athoracophoridea, slug, animal, Blue Mountains National Park, Queensland, Australia Stock Photo - Alamy Red triangle slug, Triboniphorus graffei, Athoracophoridea, slug, animal, Blue Mountains National Park, Queensland, Australia Stock Photo - Alamy](https://c8.alamy.com/comp/2BK3152/red-triangle-slug-triboniphorus-graffei-athoracophoridea-slug-animal-blue-mountains-national-park-queensland-australia-2BK3152.jpg)