Otters do not have blubber like other marine mammals, such as whales. Sea otters rely on their high metabolism and their plush coat to keep warm. Otters have long, slim bodies and relatively short limbs. A sea otter’s tool of choice: typically a rock that can be used as a hammer or anvil to break open hard-shelled prey. Sea Otters. Sea otters are a keystone species, meaning their role in their environment has a greater effect than other species. Sea otters use rocks to remove prey from their shells. The sea otter has a lot of insulating fur to keep warm. Instead, they have an extremely thick coat of fur to keep warm - no animal has thicker fur. They have roughly 850,000 – 1,000,000 hairs per square inch on their body. The Sea Otter has a small round face that is absolutely adorable. It has short tail and webbed-feet with retractable front claws. Some construct waterslides, for example. Fish and Wildlife Service. The life cycle and habitat of the sea otter … This marine mammal can live on land with the same ease as it can live in the water without surfacing for days. *Sea Otters unlike other otters capture food with their flexible fingers and grab food with their hands. Average weight of an adult female California sea otter is about 50 lbs. A sea otter’s range mass can be from 14-45 kg (30.84-99.12 lbs) and range in length from 1-1.5 meters (3.28-4.92 ft) (Allerga, Rath and Gunderson, 2012). These carnivores eat a variety of seafood, such as fish, frogs, crayfish, crabs and mollusks. The sea otter has long whiskers and water-repellent coat that insulates the animal from freezing water. Adults grow to be about 4.5 feet. Most have sharp claws on their feet and all except the sea otter have long, muscular tails. Population characteristics in the general environment and population genetics and dynamics of a population at-risk. Their most striking anatomical features are the powerful webbed feet used to swim and their seal-like abilities to hold their breath underwater. Its ears and nostrils are closed down in water. Life Cycle and Habitat of Sea Otters. Sea otters breed throughout the year. Otters are born otters but grow and develop into bigger otters. 10. Females can give birth any time of the year, but most in California have their pup between January and March. Like their littler stream otter cousins, the sea otter can walk and live on the land yet it isn 't remarkable for sea otters to spend their lives solely in the water. Asian small-clawed otter is found in freshwater wetlands and mangrove swamps, and at higher elevations, it is associated with fast-flowing, rocky streams. Most have sharp claws on their feet except for the sea otter … The sea otter is one of the smallest marine mammals, but one of the largest members of the family Mustelidae, a group that includes skunks and weasels among others. They have pronounced canine teeth. Sea Otter’s tails are smaller than other otters to reduce surface area. As top predators, sea otters are critical to maintaining the balance of nearshore ecosystems, such as kelp forests, embayments and estuaries. The characteristics of this birth leads us to conclude that this means an exhausting physical effort for the father, to finally give birth his offspring. Males may breed with more than one female during the year. They have webbed feet, water-repellent fur to keep them dry and warm, and nostrils and ears that close in the water. PHYSICAL CHARACTERISTICS. Sea Otters and Polar Bears: Marine Fissipeds Two Alaska marine mammals are neither pinniped nor cetacean: the polar bear and sea otter. Length and Weight: Adult male sea otters weigh 70 - 90 pounds (32 - 41 kg) with some individuals reaching 100 pounds (45 kg). A sea otter settles in for a nap in a patch of kelp. A sea otter floating on its back with its feet out of the water. Sea Otters have two types of hair. This keeps the cold water away from their skin. A physical adaptation that a sea otter has it that they use their Another physical adaptation that my animal has is that it has very feet to reduce or maximize heat loss. Sea otters come from the northern part of the Pacific Ocean, where it is very cold. The fur on the surface of an otter's coat is waterproof. The sea otter’s feet are webbed which are good for picking up speed in the water. The sea otter, Enhydra lutris, is about three feet long, with a tail that adds approximately one more foot to its length.In shape it is like a river otter, which is slightly smaller in body but has a longer tail. Sea otter life cycle: The otter does not go through stages to become an otter like some animals, for example a frog. *Sea Otters love to play around and even play games such as tag. This small (3–6 kg [6.6–13.2 pounds]) otter occurs on the Pacific coast from Peru through Chile and Tierra del Fuego in Argentina. *There are 13 species of otters. Otters do not have blubber, instead air is trapped within their fur to keep them warm. Distribution. The sea otter can usually be found in kelp beds, and looks very much like lumps of kelp. Sea otters are a keystone species and play a critical role in the food web of the kelp forest, so much so that even terrestrial species are influenced by sea otter activity. Physical Characteristics. Their facial vibrissae (whiskers) may reach 10.2 cm (4 in) in length but are usually worn down to about 5 cm (2 in). Sea otter teeth are adapted for crushing hard-shelled invertebrates such as clams, urchins, and crabs. When swimming, look for a body with sleek, dark fur instead of blubber. 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