Habitat. There are three types of the marine otters the Alaskan, the Russian and the California sea otters. Sea otters spend a lot of time floating on the water’s surface; before they sleep, they may anchor themselves by wrapping their bodies in kelp, which is a type of seaweed that grows from the sea floor. Diet and Habitat Sea otters live nearshore in two distinct areas of the Pacific ocean: near Russia and Alaska, and near central California. While most parts of the bay may not suit wild animals, some sections manage to meet the requirements for a conducive sea otter habitat. Here they eat, reproduce, rest, or do any other social interactions. The sea otter: a keystone species. “Sea otters live in communities with many other species including sea urchins, orcas, starfish, and many types of fish. Shark attacks are now what cause the a mortality level higher than all other factors combined. The increase in shark bite mortality now appears to be impacting population growth and expansion at the peripheries of the range, areas of the population that typically fuel the colonization of new habitats. Their habitats are near reefs, rocky shores and thick kelp forests. Animal Info . The Lower Otter Restoration Project will create 55 hectares of mudflats and other habitats. Shark-bitten sea otters now account for more than half of all stranded sea otters recovered in California, exceeding all other causes of sea otter mortality combined. Otters are found almost all over the world and in many wet habitats, such freshwater rivers, lakes, oceans, coastlines and marshes. Main Characteristics Of The Sea Otters Anatomy. And when the soil is sliding to the sea it can both destroy the sea otter’s habitat and killing them. Sea Otters: A Kids Picture Book about Sea Otters ~ Fun Facts For Kids About Sea Otters Habitat and Ecology (Amazing Nature) (English Edition) eBook: Wilder, Catherine: Amazon.de: Kindle-Shop They also eat crabs, squid, and octopus. They live the majority of their lives on the ocean surface in areas where water is less than 130 ft deep. To sur vive, an adult sea otter needs to eat up to 38 per cent of its body weight d ue to very high metabolic rates. Without sea otters, the undersea animals they prey on would devour the kelp forests off the coast that provide cover and food for many other marine animals. When SSWD struck the region during the winter of 2015, it suddenly brought a new dimension to the research: a rare opportunity to also look at how predatory sea stars influence coastal rocky reef ecosystems. These aquatic members of the weasel family are often seen floating on their backs. Habitat: Sea otters live along the coasts and stay in shallow bodies of water. Now, conservationists are considering reintroducing them to estuaries. A sea otter and her pup float in California’s Monterey Bay. It is estimated that these animals spend from 24 to 60 per cent of the day foraging. Habitat Sea otters are a keystone species, meaning their role in their environment has a greater effect than other species. Sea otters have no blubber so they constantly groom themselves to maintain the insulating & water repellant properties of their fur. Otters live in two main places: the ocean floor to get food, and the surface to rest, eat, and groom themselves. In the kelp forest, it eats sea urchins and other animals that graze on giant kelp. Habitat and Range. Niche: The sea otter eats and preys on other small sea animals in its habitat. Here they encountered vast habitat, abundant prey populations and protection from all human harvest. These data, along with personal observations of sea otter behavior, supports the notion that digging activity by sea otters has the capacity to quickly reduce the upper extent of eelgrass habitat. An otter must consume 25% of its bodyweight in prey each day just to stay alive (for a 75 lb kid, that’s 75 1/4 lb burgers!). Sea otters are shallow coastal water dwellers, as it is easier to adapt to. Females are slightly smaller, weighing 14-33 kg and measuring 1-1.4 m in length. Sea otters can eat 25 to 30 percent of their body weight in one day, which would be equivalent to a 175-pound human eating 45 pounds of food in one day. In the Monterey Bay, the sea otter lives in kelp forest and estuary habitats. However, large numbers of sea otters can deplete shellfish populations, conflicting with fisheries for crabs, clams, and abalones. Sea otters have disappeared twice from Oregon: first in the fur trade, and then again after a failed reintroduction in the 1970s. Take a deep dive and learn all about otters - from what they like to eat to how they care for their young. Some of the biotic factors include its predators and prey. They can dive up to 300 ft and remain underwater for up to five minutes to hunt for food. Sea otters are born swimmers with long, sleek, streamlined bodies with webbed feet. See the fact file below for more information on the sea otters or alternatively, you can download our 25-page Sea Otter worksheet pack to utilise within the classroom or home environment. A 2014 study found that sea otters along the southern California coast were almost 10 times more likely to be located within kelp habitat than outside, while outside kelp beds sea otter numbers declined with distance from the edge of kelp canopies. Otters have made a huge recovery in the century after the fur trade nearly wiped them out. The majority of their favorite meals can often be found in the deeper parts of the pacific ocean, where sea otter rarely go. Occurrences seem to be most common near piers and jetties, which offer both fishing opportunities for people and foraging habitat for sea otters. Animals and Nature › Otters › Sea otter › Hind feet. Sea otters, Enhydra lutris (Linnaeus, 1758), are the largest member of the Family Mustelidae (70 species of river otters, skunks, weasels, badgers, etc.) Despite perils such as oil spills and high-speed ferries, the bay has plenty of safe spots for this charismatic threatened species Sea otters inhabit near shore waters that are less than 54 m (177.17 feet) deep. Their measurements vary depending on the sex. Surface eaters, sea otters use their powerful forepaws and jaw muscles to crush prey. Click here for a library of otter resources. The tail comprises less than a third of the body length. San Francisco Bay could become the new home to extinction-threatened sea otters, according to a recent report published in PeerJ. The sea otter is an important part of both of these habitats — It’s a keystone species, which means that the health of sea otters is a good indication of the health of other species and ecosystems nearby. and are the smallest marine mammal in North America. Sea otters spend approximately 9 to 12 hours foraging each day. Otters occupy bays where the low tide zone is 2-2.5 meters, and trees and small shrubs create a shadow, stretching along the shore up to the water level. Animal Bytes Animal Bytes. As predators, sea otters are critical to maintaining the balance of the near-shore kelp ecosystems. They choose rocky shores where powerful winds blow. Shark-bitten sea otters now account for more than half of the dead animals found. We’ve Been Systematically Underestimating Sea Otters’ Historical Habitat Estuaries once harbored thousands of otters, and … We can’t denied that the lack of attention towards sea otter is also become the threats to sea otter. Sea otters are carnivorous, eating almost any fish or marine invertebrate from their kelp forest foraging area. Males weigh 22-45 kg and are 1.2-1.5 m in length. Sea otter habitat November 27, 2017 November 27, 2017 admintag Unlike fellow sea otters inhabit in the sea and next to it. In terms of predators, Sea Otters are a key to balancing kelp ecosystems, as the foods they prey on can devour entire kelp forests. Sea urchins and abalones for example, are not always in reach of sea otters. The other small part of their lives live on the ocean floor to hunt and gather food. Sea otter predation on the herbivorous urchins (genus Strongylocentrotus) enables kelp forests and the fish associated with them to flourish. Many people may see that sea otter is just a small animal and it even can breed twice a year which means it is not so important to protect this species. These kelp forests are dependent on the otter to protect them from excessive grazing by the otters' prey. 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