Dolphins do not breathe underwater. Before they dive, they take a big breath. They hold it while they are underwater.Know More
Dolphins are mammals. Just like all other mammals, they require air to breathe. They breathe air through their blowhole. They return to the surface every few minutes to take another breath. While underwater, the blowhole closes so no water can get into their lungs and cause them to drown.
Since dolphins cannot breathe under water, they have adapted the ability to eat underwater. No air is taken in through the dolphin's mouth, so they are able to catch fish without drowning.Learn more about Marine Mammals
Bottlenose dolphins are pregnant for about 12 months. The single calf is often born tail-first at the end of the gestation period and ranges from 39 to 53 inches in length and weighs 22 to 44 pounds.Full Answer >
Sharks, killer whales and humans are the primary eaters of dolphins. Dolphins are near the top of the food chain and employ many defensive strategies, so they are not often eaten by predators.Full Answer >
Bottlenose dolphins are well-known stars of aquarium shows. Although they're typically shallow divers, they can dive down to 850 feet or so below the ocean's surface and they can also stay underwater for up to 15 minutes. They are social beings who cooperate when nursing their calves and hunting for food.Full Answer >
Spotted dolphins mainly eat small fish and squid. They have also been known to eat pteropods and isopods, which are free-swimming sea slugs. They use echolocation to help them find their prey.Full Answer >