What was the first whale?

The first whales appeared around 50 million years ago. These early whales were small, dog-sized creatures that lived in the shallow seas around the world. They had long, slender bodies and powerful tails, which they used to swim quickly through the water. Their teeth were sharp and pointed, and they used them to hunt for fish, squid, and other small animals.

Over time, these early whales evolved into larger and more diverse creatures. Some whales grew to be as long as 100 feet and weighed as much as 200 tons. They developed a variety of adaptations that allowed them to live in different environments, including the open ocean, the deep sea, and the Arctic Ocean.

Today, there are over 90 different species of whales. They range in size from the tiny dwarf sperm whale, which is only 4 feet long, to the massive blue whale, which can grow to be over 100 feet long and weigh as much as 200 tons. Whales are found in all of the world's oceans, and they play an important role in the marine ecosystem.