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AKRON, Ohio -- Akron Zoo officials announced Wednesday that their giant octopus, "Cora" passed away.

Cora's exact age is not known, but the average lifespan of a giant octopus is about three years.

Testing suggests that Cora died of old age.

Cora had been on exhibit since May 2012 and was one of the most popular animals at the zoo.

The tentacled creature swam into national headlines when she selected her own name by reaching into a container and pulling the name "Cora" out.

WATCH | Akron Zoo octopus chooses "Cora" as her name(file video from 2012)

The name was among thousands submitted by zoo fans who suggested monikers for the octopus.

Cora, who was ondisplay inside the Akron Zoo's"Journey to the Reef" exhibit,weighed approximately 20 pounds and was about four feet long from the top of her head to the end of her arms.

PHOTOS | Akron Zoo octopus picks its name

Giant Pacific octopuses can be found in the Northern Pacific Ocean from southern California, north along the coast of North America's Pacific northwest and south to Japan. They live in rocky areas, caves and kelp forests, from the shores to depths of more than 500 feet. They eat fish, shrimp, crabs, scallops, clams and other shellfishes. They are considered mollusks and are related to clams, oysters, squid and snails.

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