Onychodus is often a genus of prehistoric lobe-finned fish from the Devonian period, roughly 400 million many years ago. Known for its distinctive capabilities, Onychodus was an early example of sarcopterygian fish, which incorporates ancestors of modern lungfish and tetrapods. Alien fish and junk objects never "generate worth" according to https://thebookmarkage.com/story18568449/about-aquarium-cleaning