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Dall's Porpoise
Characteristics
Scientific Name:
Phocoenoides dalli
Family Name:
Size:
6-7.5 feet
Weight:
averages 270 pounds
Color:
black with white markings
Life Span:
up to 10 years
Diet:
fish and squid in the open ocean, and schooling fish in coastal areas.
 
HOME >> WATER SPECIES >> PORPOISES >> Dall's Porpoise


Dall's Porpoise

Dall's Porpoise Snapshot
 
 
 
Dall's Porpoise Whale Picture Gallery
 
 
 
Dall's Porpoise Description
  Dall's porpoise has an extremely robust and muscular body, especially through the mid-section, and the male is considerably thicker than the female. Its head is very small and rounded, appearing smaller than it really is because of the powerfully built body. The head slopes steeply to a short poorly defined beak. Its mouth is small and narrow, with 19 to 23 very small spade-shaped teeth in each side of the upper jaw and about 20 to 24 teeth in each side of the lower jaw. The teeth of Dall's porpoise are most unusual. Each tooth is separated by rigid, protruding growths called "gum teeth." Since its teeth are so small, these horny growths might be of help in grasping slippery food such as squid. The lower jaw extends slightly beyond the upper. In addition to a dorsal (upper) hump, there is a large hump located slightly forward of the flukes on the ventral (under) part of the body, which makes the animal look somewhat malformed. This ventral hump is more pronounced in adult males. There are few accounts of eye color in cetaceans, but Dall's porpoise is an exception; its eye has been described as having a black or dark blue iris and a deep, iridescent blue-green pupil.  
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