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Sperm whale
Order: Odontocetes
Family: Physetéridae
Common name: sperm whale
Scientific name: Physeter macrocephalus
Size: male 20 metres; female 12 to 15 m.
Weight: male 30 to 35 tonnes ; female 10 tonnes.
Dorsal fin: triangular, it forms a protrusion on the back two thirds to the rear of the body. It is followed by other smaller bumps.
The sperm whale shows its tail while diving.
Longevity: some sperm whales can reach 60 or 70 years, but most likely do not exceed 40 years.
Blow: directed forward and to the left of its massive head, about 2,5 m in height.
The male can grow to more than twenty metres in length, making the species the largest toothed animal in the world.
The whale lives in every ocean and almost every sea. It frequents mostly areas where the giant squid is present. Although it prefers the equatorial and tropical waters, the adult male goes up to the polar seas.
Because of its preference for deep water, this is a rather rare visitor around our coasts, although we have had several strandings. The species is common offshore of the Maritime provinces of Canada in August and September. It is found among others areas over a submarine canyon at depths of up to 2000m, off Sable island. In recent years, it has been present at Cape Bonaventure (Bonavista Peninsula Newfoundland) :http://www.whalenfld.org
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