Are there any fish that eat reptiles?

According to the Virginia Department of Game and Inland Fisheries, the Northern Pike (Esox lucius) will eat snakes. These deft freshwater predators range at 70-150cm in length and can weigh ~25-31kg. read more

In fresh water there are many species of large predatory fish that will consume small snakes, lizards, and baby turtles. In the oceans there are sharks and other large fish that will eat sea turtles and water snakes. read more

No - but there are certain similarities between the two, because fish are the common ancestors of amphibians, reptiles and mammals. The first fish date back around 500 million years ago, the first reptiles around 200 million years later (amphibians happened in between) read more