Narwhal: Monodon monoceros (Linnaeus, 1758)
Narwhal: A small tooth whale found offshore and in dense sea ice known for its tusk
Size
- Males average 4m (12 ft), 1100-1600kg (2400-3500 lbs)
- Females average 3.7m (11 ft), 700-1200kg (1500-2600 lbs)
Color & Characteristics
- Mottled black and white (young are gray)
- No dorsal fin, but dorsal ridge
- Males have long tusk from left upper lip
- Melon head
Habitat
- Arctic, Atlantic waters of Canada and Greenland
- Offshore and in deep water within dense sea ice
Feeding
- Narrow range of prey which include Greenland halibut, squid, and polar cod
- Echolocate prey with sonar
Life cycle
- Size at birth 1.5m (15 feet)
- Sexual maturity at 5-7 years
- Females have calves every 3 years
- Longevity over 60 years, possibly more than 100
Behavior
- Vocal and gregarious
Page Author: Kirstin Laidre
Created: Aug 24, 2008
