A single bottlenose dolphin in a Japanese seaside town is believed to be behind a series of attacks on swimmers, with 48 people bitten in the past three years. The attacks appear to be carried out by the same male dolphin, who has been seen acting alone, in contrast to the social nature of these animals. The injuries on the dolphin match those of a dolphin seen last year, indicating they may be the same individual.
The dolphin’s behavior is believed to stem from loneliness, as it is isolated from its normal dolphin society. It seems to seek interaction with humans, which is uncommon for this species, with researchers suggesting the bites are more playful than aggressive. However, due to their sharp teeth, even a gentle bite can cause harm to humans.
Warnings have been issued to swimmers in the area to get out of the water if they spot the dolphin. Signs caution that dolphins, while usually calm, can become aggressive if provoked. The animal involved in the attacks appears to be a sociable solitary dolphin seeking social interaction with humans.
Experts explain that male bottlenose dolphins form tight bonds with each other, reinforcing them through behaviors like chasing and biting. When socially isolated, they may show pushy or aggressive behaviors towards humans, resulting in serious injuries. The priority is to give the dolphin space and prevent further interactions that could lead to harm for both the dolphin and humans.
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