description Spade-toothed Whale Overview
The spade-toothed whale (Mesoplodon traversii) is a poorly understood species of beaked whale belonging to the family Ziphiidae. It is considered one of the rarest cetaceans in the world, as no live individual has ever been definitively observed in its natural deep-ocean habitat. All existing knowledge of the species derives from a few skeletal remains and two intact carcasses that washed ashore in New Zealand, notably a mother and calf that stranded in 2010. Researchers believe it inhabits deep waters in the Southern Hemisphere, but its population size, behavior, and exact geographic range remain unknown.
help Spade-toothed Whale FAQ
What is the scientific name of the spade-toothed whale?
The spade-toothed whale is Mesoplodon traversii. It belongs to the beaked-whale family Ziphiidae.
Why is it called the spade-toothed whale?
The name refers to the unusual spade-shaped teeth associated with the species, especially in adult males. Those teeth are a useful clue when scientists identify beaked-whale remains.
Has anyone definitively seen a living spade-toothed whale at sea?
No live individual has been definitively observed in its natural deep-ocean habitat. Scientists have had to rely mainly on a very small number of stranded or recovered specimens.
Why is Mesoplodon traversii so difficult to study?
It appears to spend its life in deep offshore waters, where beaked whales are difficult to observe and rarely approach boats. Its extreme rarity means that even basic information about its behavior and population remains limited.
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