Characteristics Of The Spinner Dolphin

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The Spinner dolphin is a dolphin that is found in offshore tropical waters around the world. It is famous for its acrobatic displays in which it spins along its longitudinal axis as it leaps through the air. That is where the name “Spinner” comes from. It is a family member of the Delphinidae of toothed whales. There are 4 subspecies of the Spinner dolphin. But, the Gray’s Spinner dolphin is most common.
Spinner dolphins are nocturnal, which means they hunt during the night. They do that so they can rest on a full stomach during the day. Also, they hunt during the night so they can get out of the scuba divers way. They communicate by whistles and clicks. Using echolocation (calls out to the environment) the spinners can scan the darkness,
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Their head has a very narrow shape, even at the top of the melon. They also have 3 colors on their body, the skin on the dorsal area has a grey color down to the sides where it has a sharp change in color to a lighter grey. The lower part of the body is so white it looks pinkish. They measure between 1.29 and 2.35 meters in length and its weight range is between 23 and 79 kilograms. The name “Spinner” comes from their above water actions. They can leap into the air and make as many seven complete spins before diving back into the ocean. The power of the spin comes from the huge acceleration under the water and the torque of the tail just as the dolphin breaks the surface. Female spinner dolphins reach sexual maturity about 4-7 years, males about 7-10 years. Calves are nursed for 1-2 years. They approximately weigh around 130 to 170 lbs. Spinner dolphin inhabits most tropical waters of the world, and can also occur in sub tropical and warm temperate waters. They are very energetic in the ocean and out of the ocean. Head slaps acoustical messages that often are intended to get the attention of other dolphins. Head slaps in some cases are used to indicate to the pod the direction of travel desired by the slapper.
Dolphins, and all marine mammals, are protected from harassment by federal law; under the Marine Mammal Protection Act. Harassment means “any act of pursuit or annoyance which has the potential to disturb the dolphins in the wild by causing disruption of their behavioral patterns of migration, nursing, breeding, sheltering, or resting and

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