A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
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Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
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The largest breed of rabbit is the Flemish Giant.
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In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
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The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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