Spy hopping may take place in the normal course and pattern of swimming or the dolphin may stop and lift its total head out of that water so that its body is in a vertical position. Pod - groups of dolphins are called pods. The Cetaceans, the Order that dolphins are a part of, include the whales, dolphins and porpoises. Porpoises are in the Family Phocoenidae Dolphins are carnivores that primarily eat fish, crustaceans and squid. Dolphin teeth are used mainly for capturing and holding prey as opposed to biting, tearing and chewing food for swallowing.
Dolphins mainly swallow their prey whole.
The Odontoceti is a group of marine mammals known as toothed whales. Female dolphins give birth approximately every two years and may show mating behavior throughout the year. Gestation is approximately 12 months. The lifespan of a dolphin may range from 25 to 65 years. The smile on a bottlenose dolphin's face is just the natural shape of their mouth and remains in place no matter what the situation.