Striped Dolphin (Stenella coeruleoalba) lives in warm ocean waters across Atlantic, Pacific, Indian Oceans. Its conservation status is Least Concern.
Fascinating facts about the Striped Dolphin
- Striped dolphins are capable of diving to depths of 700 m, allowing them to pursue prey that lives far below the surface. They feed anywhere within the water column where prey is concentrated, taking fish, squid, octopus, krill and other crustaceans. In the Mediterranean their diet is dominated by hake, sardine and cephalopods, while in the northeastern Atlantic they often target lantern fish.
- Japanese whalers have hunted striped dolphins in the western Pacific since at least the 1940s, making them a primary target of the Taiji dolphin drive hunt. During the peak of these drives, annual kills reached between 8,000 and 9,000 animals, and in one exceptional year 21,000 individuals were harvested. After quotas were introduced in the 1980s, the catch fell dramatically, with only about 200 dolphins taken each year in the 2020s.
- A mass mortality event in the early 1990s saw more than 1,000 striped dolphin carcasses collected, with investigations pinpointing a dolphin morbillivirus infection as the primary cause. Researchers also noted that extremely high concentrations of organochlorine pollutants, especially PCBs, likely weakened the animals' immune systems and triggered the outbreak.
- In the eastern tropical Pacific, striped dolphins are known as "streakers." They rapidly swim away from vessels to avoid collisions. Consequently, they are far less likely to approach boats in the Pacific than in the Atlantic or Mediterranean.
- The striped dolphin's subpopulation has shrunk by 30% across the last three generations. Nevertheless, the IUCN Red List still classifies the species as Least Concern, reflecting its overall large numbers.
Sources
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At a glance
RangeAtlantic, Pacific, Indian Oceans
HabitatWarm ocean waters
DietFish and squid
About the Striped Dolphin
In the sun-drenched waters of the tropics, the striped dolphin dances with effortless elegance, its sleek, grey-and-white form slicing through the waves with a fluidity that belies its remarkable agility. As it leaps and plays in the ship's bow wave, its curved dorsal fin cuts the air with a soft whoosh, revealing a creature of irrepressible joy and abandon, unselfconsciously reveling in the sheer exhilaration of being alive. With its perpetual smile and twinkling eye, the striped dolphin embodies the very essence of oceanic exuberance, a true marvel of the marine world.
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