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Dolphins Are Attacking Beachgoers in Japan

Dolphin attacks have taken an unexpected toll on the summer of 2024 along Japan’s central coastline. What should have been a season of sun and surf has instead turned into one of caution and concern. As the warm waters of Wakasa Bay beckon swimmers, a series of aggressive encounters with dolphins has left dozens injured, prompting authorities to take swift action. Here’s a closer look at what’s happening along these popular beaches.

The Start of a Troubling Pattern

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Wakasa Wada beach. Image by Alpsdake, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons

Since July 21, 2024, the usually serene beaches of Wakasa Bay, about 200 miles west of Tokyo, have been the scene of multiple dolphin attacks. This year alone, 16 people have been injured, with some suffering serious wounds. These incidents mark the continuation of a pattern that began in 2022, raising alarms among local authorities and beachgoers alike. The question is, why is this happening now and has this happened before?

A History of Attacks Since 2022

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Pod of dolphins on the move. Image by SURZet via Depositphotos

Dolphin-related injuries were first reported in 2022 along beaches near Echizen. That summer, 21 people were hurt, many with bites on their hands. The following year, in 2023, another 10 individuals were injured, including one man who sustained broken ribs. This year’s attacks have added to the growing list of victims, with more injuries reported each week.

The Lone Dolphin Theory

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Lone dolphin leaping out of the water. Image by franky242 via Depositphotos

Experts believe that a single Indo-Pacific bottlenose dolphin might be behind these attacks. Ryoichi Matsubara, director of the Echizen Matsushima Aquarium, suspects that this dolphin is likely a male in heat, acting out mating behaviors that have turned aggressive. This theory is supported by the consistent nature of the attacks and the sightings of a similar-looking dolphin each year. Perhaps we ought to track this specific dolphin to find out more.

Increasingly Severe Injuries

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Tokyo ambulance outside the hospital. Image by TKKurikawa via Depositphotos

The severity of the injuries has varied, but some cases have been particularly alarming. One man in his 60s was rammed by a dolphin, resulting in broken ribs while others have been bitten severely enough to require stitches. These attacks often happen close to the shore, adding to the danger for swimmers who are unprepared for such encounters.

Why Is This Happening?

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Pod of spinner dolphins. Image by keola via Depositphotos

There are a few theories about why this dolphin has become so aggressive. Some believe it’s a combination of loneliness and frustration, as dolphins are social animals that typically live in pods. Others suggest that the dolphin might be reacting to human attempts to touch it, which could be seen as threatening behavior. This is often the case when people are unfamiliar with animal behavior and misread the warning signs. Whatever the reason, the result has been a series of dangerous encounters.

Measures to Protect Swimmers

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Wild dolphin pod underwater. Image by vitaliy_sokol via Depositphotos

In response to the attacks, local authorities in Fukui Prefecture have implemented several protective measures. Underwater acoustic devices that emit high-frequency noises have been deployed to deter the dolphin. Additionally, lifeguards are patrolling the beaches more frequently, and signs have been posted to warn visitors of the potential danger in the water.

Public Misconceptions About Dolphins

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Child playing with an inflatable dolphin. Image by FamVeldman via Depositphotos

One of the biggest challenges in addressing these attacks is the public’s perception of dolphins as friendly creatures. Many people are unaware of the potential danger and approach the dolphin out of curiosity, only to end up injured. Authorities have stressed the importance of keeping a safe distance from wild dolphins, comparing them to bears in terms of their capacity for harm. It is also important not to encourage public aggression towards wild animals. There is a delicate balance here, and one should err on the side of mutual respect in a shared space.

Past Incidents in Other Regions

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Leigh Beach in New Zealand. Image by Wirestock via Depositphotos

Japan is not the only country to experience aggressive behavior from a solitary dolphin. Similar cases have been reported in New Zealand and France, where dolphins have exhibited unusual and sometimes threatening behaviors. These incidents highlight the unpredictable nature of dolphins when they are isolated from their pods.

The Impact on Tourism

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Packed beach during the season. Image by areadeposit via Depositphotos

The string of attacks has had a noticeable impact on tourism in the region. Wakasa Bay, known for its clear waters and beautiful beaches, usually attracts large numbers of visitors during the summer. However, the recent dolphin attacks have caused a decline in beachgoers, as many people choose safer destinations for their vacations. This is worrying for the local community who rely on the tourists to stimulate their economy.

Staying Safe This Summer

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Jumping out of the ocean. Image by izanbar via Depositphotos

As summer progresses, local authorities are urging caution. While they have taken several steps to protect swimmers, the dolphin’s behavior remains unpredictable. Beachgoers should enjoy the water from a safe distance and stay out of the sea when dolphins are nearby. However, the local community and dolphins both need access to the ocean, so a long-term solution is essential.

Looking Ahead

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Dolphins at the surface. Image by criso via Depositphotos

The summer of 2024 has been anything but ordinary for those along Japan’s central coastline. With dolphin attacks continuing, it’s clear that this is an issue that won’t resolve itself quickly. Whilst authorities continue to monitor the situation, swimmers are advised to stay informed to ensure a safe and enjoyable summer by the sea. It is important to respect all wild animals and give them their space. It is important to try and learn as much as you can about the local area so that you know what to expect. The ocean is the dolphin’s home and we are their guests.