Sea otters have no blubber so they constantly groom themselves to maintain the insulating & water repellant properties of their fur. Sea Otters Could Get New Home in San Francisco Bay. “Sea otters live in communities with many other species including sea urchins, orcas, starfish, and many types of fish. The sea otter habitat range have change due a lack of food in their current range. San Francisco Bay could become the new home to extinction-threatened sea otters, according to a recent report published in PeerJ. Sea otters have adapted to the coast of many colder regions. Occurrences seem to be most common near piers and jetties, which offer both fishing opportunities for people and foraging habitat for sea otters. 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. and are the smallest marine mammal in North America. 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. Animals and Nature › Otters › Sea otter › Hind feet. Sea otters are born swimmers with long, sleek, streamlined bodies with webbed feet. Now, conservationists are considering reintroducing them to estuaries. Adult males weight between 22 and 45 kilograms and measure from 1.2 to 1.5 meters.On the other hand the adult females usually weigh between 14 and 33 kilograms, and their length varies from 1 to 1.4 meters.. Otters live in two main places: the ocean floor to get food, and the surface to rest, eat, and groom themselves. They usually eat 3 to 4 times each day. 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!). Shark attacks are now what cause the a mortality level higher than all other factors combined. When sea otters are underwater foraging for food, they make use of the loose skin under their armpits, using the area like pockets to store food as they continue their search. It is estimated that these animals spend from 24 to 60 per cent of the day foraging. While most parts of the bay may not suit wild animals, some sections manage to meet the requirements for a conducive sea otter habitat. 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. There are three types of the marine otters the Alaskan, the Russian and the California sea otters. Animal InfoBooks Animal InfoBooks. Click here for a library of otter resources. The food of the otter is also a part of its job. Sea otter predation on the herbivorous urchins (genus Strongylocentrotus) enables kelp forests and the fish associated with them to flourish. The majority of their favorite meals can often be found in the deeper parts of the pacific ocean, where sea otter rarely go. These aquatic members of the weasel family are often seen floating on their backs. We’ve Been Systematically Underestimating Sea Otters’ Historical Habitat Estuaries once harbored thousands of otters, and … Some of the biotic factors include its predators and prey. Sea otters are now getting attacked by sharks. Otters have made a huge recovery in the century after the fur trade nearly wiped them out. Sea otters have a long tail accounting for nearly a third of their body length and four webbed, clawed feet, which they use to navigate land and catch, break, and eat their prey. A sea otter diving and foraging for food or wrapping up in kelp may come into contact with fishing line, hooks, or lures that were lost by fishers, particularly those fishing from shore. In the kelp forest, it eats sea urchins and other animals that graze on giant kelp. Sea otters inhabit near shore waters that are less than 54 m (177.17 feet) deep. 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. Sea urchins and abalones for example, are not always in reach of sea otters. Sea otters are carnivorous, eating almost any fish or marine invertebrate from their kelp forest foraging area. In the Monterey Bay, the sea otter lives in kelp forest and estuary habitats. As predators, sea otters are critical to maintaining the balance of the near-shore kelp ecosystems. Animal Bytes Animal Bytes. 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. Sea Otter's Natural Habitat. Shark-bitten sea otters now account for more than half of the dead animals found. Habitat Sea otters are a keystone species, meaning their role in their environment has a greater effect than other species. Animal Info . Sea otters spend approximately 9 to 12 hours foraging each day. Sea otters are shallow coastal water dwellers, as it is easier to adapt to. They also eat crabs, squid, and octopus. 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. 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. Despite perils such as oil spills and high-speed ferries, the bay has plenty of safe spots for this charismatic threatened species And when the soil is sliding to the sea it can both destroy the sea otter’s habitat and killing them. 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