![]() Not everything is as positive as we would like. The smell isn’t well developed for them, though. As we can see, they rely on a combination of their senses to avoid danger, find food, and socialize. Their sense of touch is very acute, and they use it for bonding with other members of their pods. They also have good hearing, with a capacity of hearing up to 10 times better than humans. They rely on their pectoral flippers and the fluke (tail) to navigate through the ocean.ĭolphins have excellent vision, and they can see whatever is close to them either in the water or above the surface. The body of a dolphin is designed to help them move through the water quickly and without exerting enormous amounts of energy. Thanks to the shape of their body and the features described above, they can perform exceptional acrobatic maneuvers in the air that include majestic turns and jumps. Their skin is usually smooth, often gray or bluish and free of fur, but some show unimagined color patterns. On its back, they have a dorsal fin, and at the end, there is a caudal fin that moves from bottom to top which allows them to swim gracefully in the water. Most of them have an elongated snout, dozens of small functional teeth, not to chew but to hold the prey and a single blowhole in the dorsum to get oxygen from the air. If they can be generalized in any way, the b ody of the dolphins is fusiform, hydrodynamic and with fluid movements. The characteristics of these cetaceans are very diverse. Afterward, they plow through the middle of the fish concentration and eat as much as they need. The pods usually work as a team to surround a school of fish and get them as packed as possible. Large dolphins like the Orca can consume up to 500 pounds of fish per day. They use their teeth only to hold the fish and then swallow them. However, in every case, their skin is very sensitive to impacts and other elements that could be in the water.Įven though some dolphin species have up to 100 teeth, they don’t use them for chewing. The skin color of dolphins is grayish-blue, but it can also be black, white, light gray, blueish and even pink or the combination of those colors varying according to the species. This cycle can last up to 30 minutes in some large species. ![]() Regardless the place they live, Dolphins have to reach the surface of the ocean to breathe at different time intervals. – Lipotidae (Baiji or Chinese river dolphins) – Pontoporiidae (La Plata river dolphins) – Platanistidae (Indus and Ganges river dolphins) The families included as “dolphins” are the oceanic and river dolphins: 38 of them are oceanic dolphins which are those that most people know and five species of river dolphins. ![]() There are 43 different species of dolphins identified. They also belong to the parvorder “Odontoceti,” which are the toothed cetaceans, but taxonomically speaking, dolphins are an informal group, composed by most toothed cetaceans but excluding whales and porpoises. ![]() Dolphins are aquatic mammals that belong to the infraorder “Cetacea” a group of animals that includes whales, dolphins, and porpoises.
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