Fin Whales - Balaenoptera physalus
Fin whales are the fastest of all great whales, reaching speeds of almost 23 mph and known to completely clear the water. This whale is grey in color on the upper surface and white on the underside. The patterns on the jaw are asymmetrical, being white on the right side and dark on the left, and a large number of grooves extend along the throat to the navel.
The prominent dorsal fin is about 2 feet in length and curves strongly. Males and females tend to be very similar in their general appearance, but females are slightly longer than males.
In the Southern Hemisphere, adult females and males can reach up to about 85 and 82 feet in length, respectively. In the Northern Hemisphere, adult females and males are about 74 and 70 feet in length, respectively. Adult Fin whales weigh between 40 to 80 tons.
The baleen plates are bluish to grey in color and have white fringes.
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