Is the cuttle fish related to the clown fish?

No, cuttlefish and clownfish are not closely related. Cuttlefish are cephalopods, belonging to the class Mollusca, while clownfish are bony fish in the family Pomacentridae. They inhabit different environments and have distinct biological characteristics, despite both being marine animals. Their evolutionary paths diverged significantly, making them members of entirely different groups in the animal kingdom.