Pacific White-sided Dolphin
Pacific White-sided Dolphin
Pacific White-sided Dolphin
The Pacific white-sided dolphin, a sleek and energetic creature with a striking black and white pattern, inhabits the cold waters of the North Pacific Ocean. Known for their speed, acrobatic jumps, and playful nature, they are often seen riding the waves alongside boats. Let's dive into the exciting world of the Pacific white-sided dolphin and discover more about their ecology and the environment they call home.
Pacific White-sided Dolphin Basic Infomation
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| Property | Value |
|---|---|
| Scientific Name | Lagenorhynchus obliquidens |
| Taxonomic Status | ACCEPTED |
| Rank | SPECIES |
| Vernacular Names | Pacific White-sided Dolphin |
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Mammalia |
| Order | Cetartiodactyla |
| Family | Delphinidae |
| Genus | Lagenorhynchus |
| Habitats | North Pacific |
| Conservation Status | Least Concern |
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Size
They are about 6.5 to 8.2 feet (2 to 2.5 meters) long and weigh about 440 pounds (200 kilograms). Females are slightly larger than males.
Lifespan
Their lifespan in the wild is estimated to be about 40 years.
Distribution
They are widely distributed in the cold waters of the North Pacific Ocean. They range from Alaska to California, and west to the Kamchatka Peninsula. They are often seen in waters off the coast of Hokkaido and northern Honshu in Japan.
Pacific White-sided Dolphin Q&A
What kind of dolphin is the Pacific white-sided dolphin?
The Pacific white-sided dolphin belongs to the genus Lagenorhynchus.
They are named for their white belly. In English, they are called 'Pacific white-sided dolphins.' They live in the North Pacific and are characterized by their black and white coloration and their distinctive falcate (curved) dorsal fin. They are known for their highly active behavior, often leaping, spinning, and riding waves. They are also known for their love of bow riding, effortlessly gliding through the water on the waves created in front of boats. They are intelligent and social animals, known to form large pods, sometimes numbering over 100 individuals!
What do Pacific white-sided dolphins eat?
Pacific white-sided dolphins are carnivores, primarily feeding on fish and squid.
They use their sharp teeth to catch their prey. They often hunt in groups, herding and encircling their prey. They also use echolocation to find their prey. By emitting sound waves, they can understand their surroundings and pinpoint the location of their prey.
[Quiz!] Why are Pacific white-sided dolphins so active?
Pacific white-sided dolphins are known for their highly active behavior, often leaping, spinning, and riding waves.
This is because they have a lot of energy. They live in cold waters and need a lot of energy to maintain their body temperature. As a result, they are constantly moving to burn energy. They are also playful and curious by nature, which may lead them to try various activities.
[Quiz!] Are Pacific white-sided dolphins endangered?
The Pacific white-sided dolphin is listed as 'Least Concern' on the IUCN (International Union for Conservation of Nature) Red List.
This means that they are not currently endangered. However, their numbers may be declining due to marine pollution, bycatch from fisheries, and collisions with ships. To protect Pacific white-sided dolphins, it is essential to protect the marine environment. We should also try to learn more about them when we have the opportunity to see them at aquariums or on whale-watching tours. Let's think about what we can do to coexist with them.
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Pacific White-sided Dolphin Type of List
Characteristics of Pacific White-sided Dolphins
- Black and white coloration
- Large, curved dorsal fin
- About 6.5 to 8.2 feet (2 to 2.5 meters) long
- Weigh about 440 pounds (200 kilograms)
- Fast swimmers
- Acrobatic jumpers
- Enjoy riding bow waves
- Found in the North Pacific
- Least Concern (LC), but there are concerns about marine pollution, bycatch, and collisions with ships
Information
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Pacific White-sided Dolphin References
Pacific White-sided Dolphin Introduction of media used
NMFS Southwest Fisheries Science Center (NOAA), Public domain, via Wikimedia Commons
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Pacific White-sided Dolphin
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