Spinner Dolphin
Spinner Dolphin
Spinner Dolphin
The spinner dolphin, a star of dolphin shows, is known for its graceful jumps and signature spins. Let's explore the acrobatic ecology of the spinner dolphin and the blue ocean paradise they call home!
Spinner Dolphin Basic Infomation
| Property | Value |
|---|---|
| Scientific Name | Stenella longirostris |
| Taxonomic Status | ACCEPTED |
| Rank | SPECIES |
| Vernacular Names | Spinner Dolphin |
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Mammalia |
| Order | Cetartiodactyla |
| Family | Delphinidae |
| Genus | Stenella |
| Habitats | Tropical and subtropical waters |
| Conservation Status | Data Deficient |
Size
They are about 5.9 to 8 feet (1.8 to 2.4 meters) long and weigh around 132 to 176 pounds (60 to 80 kilograms). They are a relatively small species of dolphin. Females tend to be slightly larger than males.
Lifespan
Their lifespan in the wild is estimated to be about 20 to 25 years.
Distribution
They are widely distributed in tropical and subtropical waters around the world. They prefer the open ocean and are not often found near coastal areas. They are commonly seen in the Hawaiian Islands, Southeast Asia, and the Caribbean.
Spinner Dolphin Q&A
What kind of dolphin is the spinner dolphin?
The spinner dolphin is a species of dolphin belonging to the genus Stenella.
As their name suggests, they are characterized by their elongated beaks. In English, they are called 'Spinner Dolphins' because they are known for their high leaps out of the water and their spinning movements. Their body color is dark gray on their dorsal side and whitish on their ventral side, with a distinct boundary between the two. They also have large, black eyes, giving them an adorable appearance. They are very active and curious, making them popular in dolphin shows. They often form large pods, sometimes numbering in the hundreds or even thousands!
What do spinner dolphins eat?
Spinner dolphins are carnivores and mainly eat fish and squid.
They are active at night, diving deep into the ocean to hunt for food. They often hunt in groups, herding and encircling their prey. They also use echolocation to find their prey, emitting sound waves to understand their surroundings and pinpoint the location of their prey.
[Quiz!] How do spinner dolphins jump?
Spinner dolphins are known for their 'spin jumps,' where they leap high out of the water and spin in the air.
They can rotate more than four times in a single jump! While the reason why they perform spin jumps is not entirely clear, there are several theories:
・To shed parasites: Spinning may help them dislodge parasites from their bodies.
・To communicate with other dolphins: Spin jumps may be a signal or a form of communication with other dolphins.
・For fun: They may simply enjoy spinning!
Whatever the reason, their spin jumps are a delightful spectacle for observers.
[Quiz!] Can spinner dolphins befriend humans?
Spinner dolphins are known for their curious and friendly nature, and can become friendly with humans.
Even in the wild, they may approach humans or swim alongside them. They are also kept in aquariums and are featured in dolphin shows, allowing people to interact and play with them. However, it's essential to remember that they are wild animals. To interact with them safely and enjoyably, we need to respect them and be mindful of their behavior.
[Quiz!] Are spinner dolphins endangered?
The spinner dolphin is listed as 'Data Deficient' on the IUCN (International Union for Conservation of Nature) Red List.
This means that there is not enough information about their ecology and population size to determine their conservation status. However, there are concerns that their numbers may be declining due to marine pollution, bycatch from fisheries, and collisions with ships. To protect spinner dolphins, it is important to protect the marine environment and learn more about them.
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Spinner Dolphin Type of List
Characteristics of Spinner Dolphins
- Elongated beak
- Dark gray back and whitish belly
- Large, black eyes
- Highly active and curious
- Form large pods
- Perform 'spin jumps' where they leap high out of the water and spin
- Mainly eat fish and squid
- Data Deficient (DD)
Information
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Spinner Dolphin References
Spinner Dolphin Introduction of media used
Alexander Vasenin, CC BY-SA 3.0, via Wikimedia Commons
Alexander Vasenin, CC BY-SA 3.0, via Wikimedia Commons
出典：ウィキメディア・コモンズ (Wikimedia Commons) Photo by Giles Douglas
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Spinner Dolphin
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