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World's Oldest Captive Dolphin Dies After 61 Years In A Tank

Nellie, the world's oldest captive dolphin, has died at age 61 in Florida's Marineland park, just a stones throw away from the open ocean that she never had the chance to experience.

At the time Nellie was born in one of the park's small saltwater pools on Feb. 27, 1953, keeping bottlenose dolphins in captivity for entertainment purposes was still something of a novelty. It was just a few years earlier that Marineland staff had begun to pioneer dolphin training techniques, teaching the animals to perform aerial-acrobatics and other unique behaviors.

These displays were like nothing anyone had seen before, offering a remarkable hint of dolphins' heightened intelligence, though few questioned their confinement. Visitors flooded the park to see these elaborate performances, making Marineland and its dolphins, including Nellie, among the biggest tourism attractions in the country.

This successful shift from an "educational" oceanarium to a theme-park type model soon gave rise to imitators, all stocking their tanks with animals taken from the wild. By 1960, amid this growing "dolphin craze," Marineland's star attraction became an icon for her species through numerous appearances on television -- helping inspire millions to take an interest in dolphins and their habitat in the wild.

Nellie in her confinement, however, benefited little from the awareness she was helping to raise. Instead, her value as a performer, as in this Timex commercial from 1961, likely only ensured others like her would be plucked from the ocean by marine parks capitalizing on that appeal:

Over the decades that followed, Nellie remained in the small confines of a tank, performing for new generations of park-goers as the world changed around her. During the mid 1980s, Marineland facilities fell into disrepair and attendance declined. By then, Nellie was in her thirties -- already exceeding the average lifespan for dolphins in captivity.

The park, and Nellie along with it, would fall under new ownership and new revenue generating plans. Instead of just performing in shows, dolphins would now be forced to interact with guests directly.

In her final years as the oldest dolphin in captivity, Nellie would once again have the chance to make a positive impact on the lives of her counterparts in the ocean. Marine biologists took note of her health and aging process, advancing their understanding of how best to treat older dolphins rescued from the wild.

Her handlers at Marineland say that Nellie's health recently took a turn for the worse, and the decision was made to euthanize her, just weeks after her 61st birthday.

Though it's clear from the response to her passing that Nellie touched many lives in her decades at the park, it's difficult not to feel remorseful of the fact that she was never given the chance to touch- the ocean.

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