Last updated: October 4, 2017 at 15:23 pm
The plough snail (Bullia digitalis) may be the fastest snail in the world. It extends its foot underwater and uses it like a sail to catch waves which carry it to shore. Once on the sandy beach, it uses its foot to crawl in the direction of its prey at over 2.5 cm/sec. (1 in./sec.), which it tears apart with its rasping and ripping teeth. Also known as the finger plough shell.
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Jeffrey Gallant is the Editor-in-Chief and Records Keeper of the Diving Almanac. He is also a contributing editor of DIVER Magazine, and the scientific director of the Greenland Shark and Elasmobranch Education and Research Group (GEERG). Jeffrey started diving in 1982.