Life of North Pacific Right Whale

Life of Sea | North Pacific Right Whale (Eubalaena japonica) | Until 2000, scientists thought that only one species of whale. Research has shown that there are actually three species, the North Pacific right whale is the most endangered. It is reduced to near extinction by commercial and illegal whaling in the past 200 years. In general, North Pacific whale, such as coastlines and large bays, but most of their time in the open sea. For commercial whalers were North Pacific right whale populations found in the Gulf of Alaska, eastern Aleutian Islands, South Central Bering Sea, Sea of ​​Okhotsk and the Sea of ​​Japan. Recently there have been few sightings of whales in the central North Pacific and Bering Sea. Sightings have been reported in the south central Baja California in the eastern North Pacific as far south as Hawaii in the central North Pacific, and north to the sub-Arctic waters of the Bering Sea and Sea of ​​Okhotsk in the summer. 
Scientific classification
Kingdom:     Animalia
Phylum:     Chordata
Class:     Mammalia
Order:     Cetacea
Family:     Balaenidae
Genus:     Eubalaena
Species:     E. japonica

North Pacific right whale is a very large, robust baleen whale. Even agreements with North Pacific right whale and Southern right whale in the physical apperances, you can vary them by means of genetic analysis.North Pacific right whale  is easily distinguished from other wild species of whales in the North Pacific. Right whales are very large and can be 18.3 m (60 ft) in length to reach, on the basis of the 20th century, catch reports, however, few animals can grow even bigger and they are considerably larger than the gray and humpback whales. Right whales are very stout, particularly in comparison with other large baleen whales such as blue and fin whales.
Right whales are the only baleen whale species in the North Pacific, which completely lacks a dorsal fin. Right whales are also unique in that all individuals have callosities, rough patches of the epidermis covered with hundreds of small collections of cyamids that cluster on the callosities. As in other species of whales, the callosities appear on his head directly behind the blowholes along the rostrum to the point that often a large calluses, by whalers as the "hood".  
The species most closely resembles the North Pacific right whale in the North Pacific / Bering Sea region is closely related bowhead whale. Both species have large heads to form a third of body length, arched mouth very, very long, fine baleen, no dorsal fin, and large width. However, the seasonal of the two types do not overlap. The bowhead whale is found on the edge of the ice in Arctic waters more in the Chuckchi Sea and Beaufort Sea, and occurs in the Bering Sea only during the winter. The bowhead whale is not found in the North Pacific. Bowhead whales completely lacking callosities, the easiest way to distinguish the two types of pictures. 
The center is leading an international campaign to identify critical habitat for the North Pacific whale protection since 2000. In that year, we formally requested that the National Marine Fisheries Service of the whale critical habitat to protect, as required by the Endangered Species Act. After hanging a long desk passivity and delay, the center was forced to use the service to continue to ensure habitat protection. Eventually, the Service designated critical habitat for the North Pacific right whale in the Bering Sea and Gulf of Alaska.  
Although the North Pacific right whale is as officially threatened nearly 40 years, the long shared the Endangered Species Act list of the North Pacific right whale, not the individual receiving the recognition and protection it deserved. But in 2008, following the Centre's 2005 petition and 2006 lawsuit, the Service listed the whale as endangered as a separate species, significant increase in whale protection and triggering the legal requirements to prepare a recovery plan and other measures conservation of the species to take. In 2010, another center trial contributed to the cancellation of an oil and gas lease sale in Bristol Bay, Alaska, in the critical North Pacific right whale habitat.

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