Dolphins

Dolphins are highly intelligent marine mammals, in addition to the natural systems that complement the body is very complex. So much technology inspired by dolphins. One example is dolphin skin that is able to minimize friction with the water, so the dolphins can swim with a bit of water resistance. It is used by swimmers to design swimsuits that resemble the skin of dolphins.
Dolphins have a system that is used to communicate and receive excitatory called sonar system, this system can avoid objects in front of the dolphin, so to avoid a collision. This technology is then applied in the manufacture of submarine radar. Dolphins are mammals. They live in the sea and rivers throughout the world. Kerebat dolphins are whales and dolphins. There are more than 40 types of dolphins.Baby dolphin newborn will be brought to the surface by a parent in order to bias breathe air. Dolphins need to rise to the surface to breathe to stay alive. Dolphins breathe air through a hole located at the top of its head was clearly. The sleek and slim body is very suitable for swimming. Parent Dolphins milk to feed the baby with a savory and provide energy for her to grow up. Every child dolphins always near its mother could protect from harm. Dolphins are always keeping in touch with their children to grow even larger. Parent dolphins calling their children with special whistles they can identify with.Dolphins live and work in groups called a herd. They often play together. A dolphin can not sleep well under water. He could drown. Therefore, he was half asleep moment of the day. Dolphins eat squid and fish such as gray mullet. Some dolphins herding a shoal of fish for easy capture. Dolphins find a way to transmit sound in water. If the noise on an object, the sound will be reflected back as an echo. Some, due to noise in the sea oil drilling could confuse the dolphins. They will have difficulty in sending and receiving messages.

Humans always interested in the story of a dolphin. The Romans had created a mosaic picture dolphin around 2,000 years ago. Now, people love to swim in the sea with intelligent and friendly animals such as dolphins. Dolphins have to be careful of sharks that might attack them at any time. They protect themselves with teeth, sometimes they use the beak as a ramrod. Humans can catch a lot of fish for the dolphins for food. Some, of dolphins caught by fishing nets. They can not breathe at the surface, consequently they drowned. When hazardous chemicals are dumped into the sea, the waste can poison the food eaten dolphin. Construction of dams on rivers and lakes drying, leaving little room for animals like dolphins to live in Brazil.

Dolphins are mammals classified as intelligent. Dolphins could help humans, if the dolphins are trained, even the fire circle can they break through. Sea lions, primates, whales and dogs also includes an intelligent animal. Dolphins have been trained to perform a variety of attractions and they can also count, but not wild dolphins can perform a variety of attractions. Today, dolphins and whales are rare, the dolphins and whales should be protected. Dolphins and whales have been protected throughout the world began.

Taxonomy

    Suborde Odontoceti, toothed whales
        Familia Delphinidae, Dolphin Ocean

            Genus Delphinus
                Long snout dolphins, Delphinus capensis
                Proboscis dolphin, Delphinus delphis

            Genus Tursiops
                Bottle nose dolphin, Tursiops truncatus
                Indo-Pacific Bottlenose Dolphin, Tursiops aduncus

            Genus Lissodelphis
                Northern Rightwhale Dolphin, Lissodelphis borealis
                Southern Rightwhale Dolphin, Lissiodelphis peronii

            Genus Sotalia
                Tucuxi, Sotalia fluviatilis

            Genus Sousa
                Indo-Pacific Hump-backed Dolphin, Sousa chinensis
                Chinese white dolphins (species from China), Sousa chinensis chinensis
                Atlantic humpback Dolphin, Sousa teuszii

            Genus Stenella
                Atlantic Spotted Dolphin, Stenella frontalis
                Clymene Dolphin, Stenella Clymene
                Pantropical Spotted Dolphin, Stenella attenuata
                Spinner Dolphin, Stenella longirostris
                Striped dolphin, Stenella coeruleoalba

            Genus Steno
                Rough-toothed Dolphin, Steno bredanensis

            Genus Cephalorynchus
                Chilean dolphins, Cephalorhynchus eutropia
                Commerson's Dolphin, Cephalorhynchus commersonii
                Heaviside's Dolphin, Cephalorhynchus heavisidii
                Hector's Dolphin, Cephalorhynchus hectori

            Genus Grampus
                Risso's Dolphin, Grampus griseus

            Genus Lagenodelphis
                Fraser's Dolphin, Lagenodelphis hosei

            Genus Lagenorhyncus
                Dolphins, Atlantic white-sided dolphin, Lagenorhynchus acutus
                Dusky Dolphin, Lagenorhynchus Obscurus
                Hourglass Dolphin, Lagenorhynchus cruciger
                White-sided Dolphins Pacific, Lagenorhynchus obliquidens
                Peale's Dolphin, Lagenorhynchus australis
                White nose dolphin, Lagenorhynchus albirostris

            Genus Orcaella
                Australian Snubfin Dolphin, Orcaella heinsohni
                Porpoises, Orcaella brevirostris

            Genus Peponocephala
                Melon-headed Whale, Peponocephala electra

            Genus Orcinus
                Killer whales, Orcinus orca

            Genus Feresa
                Pygmy killer whales, Feresa attenuata

            Genus Pseudorca
                False killer whales, Pseudorca crassidens

            Genus Globicephala
                Long-finned Pilot Whale, Globicephala melas
                Short-finned Pilot Whale, Globicephala macrorhynchus

        Platanistoidea Familia, River Dolphins

 
            Genus Inia
                Boto (Amazon River Dolphin), Inia geoffrensis

            Genus Lipotes
                Chinese River Dolphin (Baiji), Lipotes vexillifer

            Genus Platanista
                Ganges River Dolphin, Platanista gangetica
                Indus River Dolphin, Platanista minor

            Genus Pontoporia
                La Plata Dolphin (Franciscana), Pontoporia blainvillei 

Six animals in the family Delphinidae is commonly called "whales". They are sometimes called "blackfish" (black fish):

     1. Melon-headed Whale, Peponocephala electra
     2. Killer whales, Orcinus orca called Seguni
     3. Pygmy killer whales, Feresa attenuata
     4. False killer whales, Psudoorca crassidens
     5. Long-finned Pilot Whale, Globicephala melas
     6. Short-finned Pilot Whale, Globicephala macrorhynchus