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Obituary for a snail, species

George, the last known Achatinella apexfulva, died on New Year’s Day 2019. George was approximately 14 years old. He is survived by none.

His namesake was in homage to the famous Pinta Island Galapagos tortoise known as Lonesome George, the last of his kind. While from vastly different evolutionary lineages, these Georges lived simple lives in captivity, and both quietly carried millions of years of evolution, their entire genome and blueprint for how to make them, into oblivion.

Achatinella apexfulva was the first of over 750 species of land snail from the Hawaiian Islands to be described by western science. This first description came from a shell on a lei given to Capt. George Dixon while docked on Oahu around 1787. Apex fulva, or yellow tip, was a trait that many of their kind displayed and is what they were named for. These snails were once widely distributed on Oahu in the central-northern Koolau Mountains, and were heavily used for making lei, likely because they were very beautiful, but also because they occurred in lower elevations that were easily accessible.

In 1997 the last 10 known Achatinella apexfulva were brought to a laboratory at the University of Hawaii for captive rearing. A few babies were born, but when the lab experienced a die-off, for unknown reasons, all the Achatinella apexfulva perished expect for one lone individual, George. George matured in a cage by himself, and although we call him a he, he was a hermaphrodite having both male and female parts. Alas, Achatinella apexfulva seem to have been an obligate outcrossing species, requiring a partner to reproduce.

During his life George was often in the limelight. He was a spectacle, so to speak. But more importantly he was an ambassador for the plight of the Hawaiian land snails. He was featured in many newspaper, magazine and online articles, and hundreds of school children and visitors to the lab eagerly viewed him, the last of his kind. Sadly, his passing is also a harbinger of what’s to come for our remaining kahuli (tree snails) if more is not done quickly to protect them from invasive species and climate change. Many of the islands’ remaining land snails are facing imminent extinction.

In 2017, a small, two-millimeter snippet of George’s foot was collected with a sterile razor blade and plopped into a vial of pink colored-media. This media kept the tissue alive while it was quickly mailed overnight to San Diego. This snippet of living tissue from George now remains alive in a deep freeze at the San Diego Zoo’s Frozen Zoo. While it is currently not possible to clone a snail, it certainly will be some day.

David Sischo, Snail Extinction Prevention Program coordinator, state Department of Land and Natural Resources

  1. harry oyama January 5, 2019 8:20 am Reply

    Not just Hawaiian snail facing extinction but pure bloodied Hawaiians as well. All because of the greed and power lust of not just the white man, but many of the immigrants that came and over stayed their 3 year labor contracts with the sugar plantations.

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