Deepest mammal

Last updated: October 2, 2017 at 14:43 pm

• 2,992 m (9,816 ft) – Cuvier’s beaked whale (Ziphius cavirostris), Southern California, 2011. Maximum duration: 137.5 minutes.

• 2,000 m (6,562 ft) – Bull sperm whale (Physeter macrocephalus), Dominica (Caribbean), 1991. Recorded by Woods Hole Oceanographic Institute Dive duration: 1 hour 13 min. The sperm whale is the largest toothed creature to ever inhabit the earth. It also has the largest brain 9 kg (20 lbs) and the thickest skin of any living creature 36 cm (14 in.). The sperm whale was named after the milky-white substance called spermaceti found in its head which was mistaken for sperm.

SOURCE:
Verified by Diving Almanac & Book of Records official

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