Onychodus is a genus of prehistoric lobe-finned fish within the Devonian time period, somewhere around 400 million years back. Noted for its distinctive features, Onychodus was an early illustration of sarcopterygian fish, which includes ancestors of recent lungfish and tetrapods. These fish undoubtedly are a species of freshwater catfish that https://atozbookmark.com/story18477078/about-fish-pond-cleaning-kajang