Osteichthyes-bony fish Sarcopterygii-lobe finned fish Actinopterygii-ray finned fish Tiktaalik-the first tetrapod Coelacanth-a living fossil Mudskipper-adorable but ugly fish that lives on mud and is a ray finned fish that evolved strong enough muscles to make up for it's fins fragility Frogfish-ambush predator that has 2 legs and a large mouth Most fish-almost every other fish is ray finned