Sea otter moms typically only give birth to 1 pup. The southern river otter is listed as endangered, due to illegal hunting, water pollution, and habitat loss. Southern sea otters wallpaper. Newborn pups cannot sink nor can they dive. The sea otter can live its entire life without leaving the water. They typically … A much larger population exists in Alaska (more than 70,000 individuals), and a sizeable population (estimated at more than 25,000 sea otters) exists in Russia. White shark bites are now the leading cause of sea otter mortality in California. Sea otters are usually dark brown, often with lighter guard h… As a consequence of their threatened status, southern sea otters are also recognized as depleted under the Marine Mammal Protection Act. Fun Facts About Sea Otters. Although called a "river otter", it inhabits both marine and freshwater environments. The Southern sea otter is native to the coast of California. Large percentage of southern sea otter mortality is due to infectious diseases, many of which are known to have anthropogenic causes. The Southern Sea Otter (Enhydra lutris nereis) also goes by the name California Sea Otter and has the distinction of being one the heaviest members of the weasel family, yet one of the smallest marine mammals. These stressors include biotoxins produced during harmful algal or cyanobacterial blooms, disease-causing pathogens such as the protozoal parasites Toxoplasma gondii and Sarcocystis neurona, and acanthocephalan parasites. • To maintain its body temperature, the sea otter eats 25% to 35% of its body weight in single day. 5. Sea otters have the thickest fur of any marine mammal, averaging 850,000 … Oil spills. Sea Otter Facts: Families Groups of sea otters are called ‘rafts’. Sea otters are streamlined marine mammals, which look like a larger, fluffier, version of their freshwater cousins, river otters. In Russia, the count has come down to 15,000 and only a few dozens are left in Japan. Ventura, California 93003, Southern Sea Otter (Enhydra lutris nereis) 5-Year Review: Summary and Evaluation, Big Sur Monterey Sea Otter Study Draft Report, Letter to Deputy Assistant Secretary of the Navy Donald Schregardus FSEIS Comments, Final Supplemental EIS on the Translocation of Southern Sea Otters - Volume 1, Final Supplemental EIS on the Translocation of Southern Sea Otters - Volume 2, Final Recovery Plan for the Southern Sea Otter. Sea otter pups are born with a buoyant fur that does not allow them to sink. Wild sea otters typically have a lifespan between 15 and 20 years. The southern sea otter, one of 13 different species of river and sea otters worldwide, ranges from Año Nuevo, north of Santa Cruz, to Purisima Point, north of Point Conception. As a result, their energetic requirements are high, and they consume an amount of food equivalent to about 25 percent of their body mass per day. Education. Adult sea otters can eat 25% - 30% of their body weight in one day! As a keystone species, the southern sea otters play a critical role in keeping the California kelp forest ecosystem healthy. There is, additionally, a small colony near San Nicolas Island off Santa Barbara. Gestation is 6 months (2 months delayed implantation + 4 months pregnancy). Fact1: Sea otters have incredibly fast metabolisms; a 60-pound adult sea otter eats at least 15 pounds of food (25% of its body weight) each and every day. It must eat 20% to 25% of its body weight every day to maintain normal body temperature, so it will spend much of the day foraging. This range decreased significantly during the fur trade during the 18th and 19th centuries, with excessive hunting nearly driving the species into extinction by the early 1900s. Sea Otters do not migrate due to their coat of fur. This system traps a layer of air next to their skin so their skin does not get wet. No sea otters, no kelp forests. Fun Facts for Kids. Currently the southern sea otter population is estimated at just above 3,000 animals. Sea otters eat about 25% of their weight every day, and is arguably the number one cause in sea otter deaths, when they cannot forage enough food to feed themselves. Females typically give birth to a single pup, with care provided solely by the pup’s mother for the approximately 6 months until weaning. Sign up for free. Sea otters are commonly spotted on WWF’s Alaska tours. (20 kg) in weight. Otters generally prefer to live in water, and have the capability to dive up to 330 feet in search for food. They can have over 1,000,000 hairs per square inch on their bodies! SHARE THE AWESOMENESS. Sea otters are generally considered to be a keystone species in these communities. There is one species of sea otter and three subspecies, the California or Southern sea otter is found off the central coast of California, the Northern sea otter is found in the waters off Alaska and Canada, and the common or Asian sea otter is found along coastlines of Japan and Russia. _abc cc embed * Powtoon is not liable for any 3rd party content used. Sea otters eat many kinds of invertebrates, including sea urchins, abalone, clams, crabs, snails, sea stars, squid & octopuses. Both are named after characters in John Steinbeck novels. Nope. If you come across a sea otter you think is sick, injured or abandoned, please give it space and call The Marine Mammal Center’s stranding hotline at (415) 289-7325. Southern Sea Otter Enhydra lutris nereis : Fun Facts • Sea otters do not have blubber to keep warm, instead they have very dense fur (up to one million hairs per square inch). Sea Otter Facts California’s southern sea otter has been listed as a threatened species under the Endangered Species Act since 1977. Sea otters have a profound impact on the coastal habitats which is why they are rightly known as keystone species. They are usually seen in rocky marine habitats where there is a high abundance of kelp canopy and typically in water depths about 20 m. Kelp canopy is an important habitat component used for resting and foraging. Shallow water no more than 100 feet deep is the otter’s preferred habitat, because it means less time spent diving for food. (1.8-2.3 kg). Sea otters also maintain a high level of internal heat production to compensate for their lack of blubber. Sea otters are known to carry rocks when they dive, to increase their weight when diving, as well as to crack open shells and protective armor, so they can eat the meat inside the shellfish. Sea Otters give birth throughout the year, there is three factors that may effect when the female gives birth those are: the weather, amount of food available, and the location. Fun Facts . Cool Facts. 3. For one of the smallest marine mammals on Earth (yet the largest member of the weasel family), the sea otter has racked up quite a few superlatives: 10. A lanugo is a very soft, downy hair that develops in humans as well as animals. Diet Sea otters eat fish and marine invertebrates like crabs, urchins, sea stars , … Sea otters are known to wrap their pups and themselves in kelp to keep from drifting out to sea. When the mothers dive for food, they tie their babies into kelp to ensure that they will not float away. Newborn sea otter pups are so buoyant they can’t immediately dive for food. There is one species of sea otter and three subspecies, the California or Southern sea otter is found off the central coast of California, the Northern sea otter is found in the waters off Alaska and Canada, and the common or Asian sea otter is found along coastlines of Japan and Russia. In particular, they play a vital role in preserving the kelp forests. Here are some viewing tips to help you enjoy watching sea otters and other marine wildlife in a safe and responsible way. Sea otters eat about 25% of their weight every day, and is arguably the number one cause in sea otter deaths, when they cannot forage enough food… A Sea Otter's Diet Sea otters eat a wide variety of prey, including marine invertebrates such as echinoderms (sea stars and sea urchins), crustaceans (e.g., crabs), cephalopods (e.g., squid), bivalves (clams, mussels, abalone), gastropods (snails), and chitons. The sea otter can live its entire life without leaving the water. 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