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Eubalaena glacialis (Müller, 1776)

Black Right Whale; Balaena glacialis; Northern right whale; North atlantic right whale; Biscayan right whale

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      Integrated Taxonomic Information System


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Eubalaena glacialis

North Atlantic Right Whale

Order: Cetacea
Family: Balaenidae

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Image of Eubalaena glacialis
Eubalaena glacialis - adult whale with calf; inset upper left, spray pattern; inset upper right, shape of tail fluke upon diving
Click to enlarge. (49 kb)

Conservation Status: Endangered .


Northern right whales were hunted for at least 800 years, until they became so rare that it was no longer commercially viable to hunt them. Biology made them and southern right whales the "right" whales to hunt, especially when whaling was less sophisticated than it is today. They are absolutely massive, weighing up to 100 tons in a package less than 20 m long. Their bodies provide lots of oil and high quality baleen. They are slow swimmers, often found in coastal waters, and they float when killed, so they were easy to chase, kill, and tow to port. Now numbering only in the hundreds, and showing no signs of recovery, northern right whales are nearly extinct . Some populations have not shown any significant reproduction, even after becoming protected by law. Northern right whales live long lives: some animals have been studied for years and one was known to be at least 67 years old when she was seen in 1992. They skim-feed on small marine crustaceans.

The North Atlantic right whale differs in skin color from the North Pacific right whale and the cold waters of the Arctic Circle are a natural impediment to the mingling of these two groups.

Also known as:
Biscayan Right Whale

Length:
Average: 17 m
Range: up to 18 m

Weight:
Range: 60,000-100,000kg

References:

Linnaeus, C., 1758.  Systema Naturae per regna tria naturae, secundum classis, ordines, genera, species cum characteribus, differentiis, synonymis, locis . Tenth Edition, Laurentii Salvii, Stockholm, 1:75, 824 pp.

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Mammal Species of the World

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Distribution of Eubalaena glacialis

Skull of Eubalaena glacialis
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North Atlantic Right Whale ( Eubalaena glacialis )

North Atlantic Right Whale The North Atlantic right whale was once abundant in coastal waters on both sides of the North Atlantic Ocean but is now one of the world's most endangered species of mammal, terrestrial or marine. Only a single population numbering about 300 whales survives in the North Atlantic. At least two separate populations existed historically. Commercial hunting that began in the 11th century and continued through the early 1900s eliminated the eastern population along the coast of Europe. Basque whalers in the Gulf of St. Lawrence in the mid-1500s first exploited the western population, whose remnants are now found primarily along the coast of North America between Florida and southeastern Canada. By the early 1600s thousands of western North Atlantic right whales had been killed, and by the early 1900s, its survivors numbered only a few hundred whales at most, and perhaps just a few tens of animals. With the exception of the eastern North Pacific right whale population found off Alaska in summer, the western North Atlantic right whale population is the most endangered marine mammal population in U.S. waters.

Range and Habitat:

Western North Atlantic Ocean

Status under Law:

Endangered ( ESA )

Conservation issues:

Ship collisions, entanglement in fishing gear, critically small population size, genetic diversity, prey availability, international collaboration

Physical characteristics:

At birth

Maturity

Length

4-4.6 m
(13-15')

17-18.3 m
(56-60')

Weight

910 kg
(2,000 lb)

Up to 90,000 kg
(200,000 lb)

Age:

Known to exceed 70 years

Annual Report:

For more information, see the North Atlantic Right Whale section from the 2002 Annual Report

Download a copy : PDF (354 KB)

Commission Letters:

To view Commission letters concerning North Atlantic Right Whales choose a date below

July 29, 2003

February 27, 2003

January 2, 2003

Additional Links:

National Marine Fisheries Service Stock Assessment Reports

NOAA - On the Trail of the Northern Atlantic Right Whale

NOAA - Protected Resources - Key Protection Measures for the North Atlantic Right Whale

NOAA Protected Species Branch North Atlantic Right Whale

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