Last updated: October 13, 2017 at 21:42 pm
The sperm whale has the thickest skin of any living animal. The skin on its back and head—without any subcutaneous fat—is sometimes up to 35 cm (14 in.) thick. The whale shark (Rhincodon typus) has the thickest skin of any fish in the world. It is as thick as 23 cm (9 in) in places.
Verified by Diving Almanac & Book of Records official
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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.