The best estimates from the International Whaling Commission indicate that there are roughly 1.7 million whales in the world. However, it is impossible to count the number of whales or any other ocean-dwelling creature a... More »

There are about 78 types or species of whales, though this number ranges from 78 to 90 depending on the source. This group, called cetaceans, includes dolphins and porpoises, as well as whales. More »

Although the exact number of killer whales in the oceans is unknown, as of 2014, scientists estimate that the population is at least 50,000 individuals. Other studies suggest that killer whale populations reach into the ... More »

Animals that live in the ocean include marine mammals such as dolphins and whales and many kinds of marine fish. Crustaceans such as lobsters, crabs and shrimp also live in the ocean, as do mollusks such as squid and oct... More »

Krill are eaten by whales, penguins, seals, squid, fish and people. Although krill are also eaten by hundreds of other animals, these are their greatest predators. Whales eat the larges amount of krill; the blue whale ca... More »

Omnivores that live in the ocean include sea turtles, manatee, dolphins, opaleye, saltwater crabs, lobsters, sea otters, sharks and whales. Deep-sea omnivores include copepods and some species of squid and octopus. Among... More »

A group of whales is usually called a pod, but other terms for a group of whales include a gam, a herd or a school. A pod usually includes whales that are either related to each other or whales that have formed friendshi... More »