WildBlue_Planet on Instagram: "The ribbon worm is a fascinating animal, scientifically classified under the phylum Nemertea, and is also known as a proboscis worm. ​Here are some key facts about them: ​Habitat: Most of the approximately 1,300 known species are marine (living in the ocean), often found in sediments on the ocean floor, but some species live in freshwater or damp terrestrial (land) environments. ​Appearance and Size: ​They are unsegmented and typically very slim, often only a few m