Onychodus is a genus of prehistoric lobe-finned fish in the Devonian time period, close to four hundred million yrs back. Known for its distinctive features, Onychodus was an early example of sarcopterygian fish, which incorporates ancestors of recent lungfish and tetrapods. Stay away from significant, aggressive fish if you’re new https://socialeweb.com/story3955428/fish-tank-cleaner-an-overview