👉 The term "clethrionomys" is a genus of marine invertebrates. It belongs to the family Ctenophora, and it includes several species of fish, especially those belonging to the family Ctenopharyngidae. These fish are known for their unique ability to attach themselves to rocks or other surfaces by using suction cups on their tentacles. The clethrionomys is commonly found in freshwater environments, but they can also be found in saltwater habitats such