Fish With Armour? No Way! It turns out a prehistoric type of fish had really cool armoured plates! 🤣 Beano Team Last Updated: March 27th 2017 Fish. We all know about fish. Some of them are pretty, some of them are boring and some of them are delicious. But it turns out that way back in prehistoric times, before dinosaurs existed, there was a group of fish called placodermi... Apokryltaros | Wikipedia Commons Who had ARMOUR all over their heads! Dmitry Bogdanov | Wikimedia Commons How cool is that? Their heads were protected by these awesome bony helmets, like underwater Vikings or deep-sea American Football players! Wikimedia Commons Fish, you're cooler than we thought!