Sperm Whale

**Definition:** The species Physeter catodon (also called Physeter macrocephalus), in the family Physeteridae. The common name is derived from the milky wax substance in its head (spermaceti). The species also produces an intestinal secretion AMBERGRIS, which was previously used in perfumes. The sperm whale is the largest toothed MAMMAL in the world.

**Tree numbers:** - B01.050.150.900.649.313.875.865.750

**Synonyms:** - Physeter catodon - Physeter macrocephalus