Awesome Music Movie And Video Game Store In Utah And Right Here. The western North Pacific gray whale is on the verge of extinction because of such threats. The gray whale has two blowholes, and between 9 and 14 dorsal nodules on its back, instead of a back fin. The waters off Russia’s Sakhalin Island, a main feeding habitat for them in the summer, are being targeted for oil and gas development. and Duffus, D.A. They eat small crustaceans, such as mysids and amphipods, they are also known to eat red crabs, baitfish, crab larvae, herring eggs and cephalopods. The gray whale (Eschrichtius robustus), also known as the grey whale, gray back whale, Pacific gray whale, or California gray whale, is a baleen whale that migrates between feeding and breeding grounds yearly. This population now only has to contend with habitat displacement and ship strikes. The Mysticeti whales have baleen instead of teeth. During summer, they stay in waters of up to 60 m in depth and within 0.5 km to 166 km of shore. Habitat modification, such as that resulting from offshore oil and gas development may affect gray whale foraging habitat off Sakhalin Island. 2002. Habitat/Diet. Marine Mammal Science 14: 692-720. Gray whales have the coarsest baleen of all whales, with about 20 bristles per inch (7–8 per cm) as compared to over 100 per inch (42–50 per cm) in sei whales. Habitat and Distribution. https://www.montereybayaquarium.org/animals/animals-a-to-z/gray-whale These whales make one of the longest migrations of all mammals, averaging 10,000 - 14,000 miles (16,000 - 22,400 km) round trip. Each year around October the gray whales in and around the eastern pacific Alaskan waters begin their migration trip from their feeding grounds to their mating grounds around the Baja peninsula of Mexico and the southern Gulf of California. Platforms, pipelines, and other types of infrastructure scatter gray whale’s foraging habitat in this region. Status in the Wild. Least Concern - IUCN 2008. There are 130–180 baleen plates that are off-white in color and measure about two to 10 inches (5–25cm) long on each side of the jaw. Marine Mammal Science 18: 419-437. They are migratory and rely on a variety of coastal habitats. Gray whale (Eschrichtius robustus) habitat utilization and prey species off Vancouver Island, BC. In the summer of 2011 a grey whale was sited in the Mediterranean and later off of Spain. Gray whales feed in shallow coastal waters with muddy or sandy bottoms. Grey whales (scientific name: Eschrichtius robustus) can be found in the shallow coastal waters of the eastern North Pacific. The largest grey whales have flukes, or tails, that may span ten feet. The speculation was that it was an intrepid scout (or confused individual) from the Western Pacific population seeking alternative habitat. 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