Last updated: October 10, 2017 at 15:26 pm
Australian trumpet conch (Syrinx aruanus) – In 1979, a specimen weighing 18 kg (40 lbs) was found off the coast of Australia. Its shell had a length of 77 cm (30.4 in.) and a girth of 101 cm (39.75 in.). Shell lengths up to 1 m (3.3 ft) have been reported. Also known as the Baler conch, the Australian trumpet or the false trumpet.
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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.