Neither, they're aquatic mammals.
All dinosaurs were terrestrial. Therefor, there are no finned dinosaurs. However, there were finned reptiles that looked a lot like fish or dolphins, and they were called icthyosaurs.
Fish eat seaweed. Dolphins eat fish. No seaweed, no fish, no dolphins.
dolphins are a type of fish
Dolphins
No, Sturgeons are fish. Dinosaurs are reptiles.
dolphins dolphins
Mammals. Dolphins have lungs. Fish have gills. Dolphins have mammary glands, making them mammals.
Dolphins look like dolphins and why would they look like a fish when they are a mammal?
You feed dolphins fish by pooping out the fish from eating it and the doplins eat that
Yes, dolphins are fish eaters. See related question.
Baryonyx and Suchomimus are some dinosaurs that ate fish.
Dolphins eat fish.