Marine otters are most often seen individually or in small groups of up to three. Poaching is still a problem, but one of unknown magnitude. Females are slightly smaller, weighing 14-33 kg and measuring 1-1.4 m in length. They thrive in warm, coastal waters and usually remain within a kilometer from the shore. Marine otters are often illegally captured and killed for their pelts, which are used for footwear, especially boots. This is the reason why otters are so active and spend several hours a day hunting. The marine otter is one of the smallest otters and the smallest marine mammal,[2][3] measuring 87 to 115 cm (34 to 45 in) from the nose to the tip of the tail and weighs 3 to 5 kg (6.6 to 11.0 lb). Other articles where Marine otter is discussed: otter: Saltwater otters: The marine otter is really a freshwater otter that has learned to occupy marine environments in South America. Established in 1964, the IUCN Red List of Threatened Species has evolved to become the world’s most comprehensive information source on the global conservation status of animal, fungi and plant species. Otter, any of 13–14 species of semiaquatic mammals that belong to the weasel family and are noted for their playfulness. Let's find out about the description, size, lifespan, habitat and much more in Sea Otter … Adult males weigh on average … Adult sea otters standard length is on average 4 ft. 3 in. Otter’s reproduction is affected by factors like weather, nutrition and the location. The lifespan of other species like the giant river otter or the European otter is more or less the same. They choose areas that have rocky substrates. [4][5] Its fur is coarse, with guard hairs measuring up to 2 cm (0.79 in) in length covering dense, insulating underfur. It helps to protect them as well as to help them steer through the water. A third eyelid, or nictitating membrane, protects the eye and allows the otter to see when swimming underwater. Family: The Sea Otter is the largest member of the weasel family (the Mustelidae). Wild sea otters typically have a lifespan between 15 and 20 years. Before stepping on your boat, make sure you read the owner’s manual for information on operation and safety. Otters are adorable animals and they can live both in the land and in the river. Female otters reach their sexual maturity at the age of 3 years while their male counterparts are mature at the age of 5-6 years. Reproduction. The average length of an adult female is 4 feet and average weight is 60 lbs. Its ears and nostrils are closed down in water. Mating and breeding do not occur in the sea. Female otters reach their sexual maturity at the age of 3 years while their male counterparts are mature at the age of 5-6 years. But if sea otters are abundant, they eat sea urchins and keep the urchin population in check, which allows kelp to flourish. The tail comprises less than a third of the body length. The North American river otter (Lontra canadensis) is a semiaquatic mammal in the weasel family.While it may simply be called the "river otter" in North America (to distinguish it from the sea otter) there are other river otter species throughout the world. Palmisano. Marine otters are rare and are protected under Peruvian, Chilean, and Argentine law. Unlike many species of weasels, scientists believe the marine otter to be monogamous. Length and weight: Although the sea otter is the smallest marine mammal, the average adult can be as large as 5 feet in length and weigh up to 70 lbs. Population. (41 kilograms).The smallest otter is the Asian small-clawed otter, which grows up to 2.9 fee… ... Otters live in a group, spending their entire lives out at sea, except to give birth. VANCOUVER -- The Vancouver Aquarium's rescued otter Whiffen died on Saturday an hour into a medical procedure. Marine otters may be monogamous or polygamous, and breeding occurs in December or January. Sources: Estes, J.A., Smith, N.S., and J.F. The ventral side (underside) of the paws are partially covered in fur. Useful References on Polar Bears and Marine & Sea Otters: Marine Otters - Technical. The International Otter Survival Fund (IOSF) is one of the world's leading otter charities. If you continue to use this site we will assume that you are happy with it. Related posts: How long do hedgehogs live? The sea otter is a charismatic marine mammal in the north Pacific Ocean and one of the largest species in the weasel family. Sea otters, Enhydra lutris (Linnaeus, 1758), are the largest member of the Family Mustelidae (70 species of river otters, skunks, weasels, badgers, etc.) "Why is or is it not a marine mammal?" Interestingly, Congo Clawless Otters are monogamous but they do not mate for life. That can double though with one in captivity. Otters are carnivorous mammals in the subfamily Lutrinae.The 13 extant otter species are all semiaquatic, aquatic or marine, with diets based on fish and invertebrates.Lutrinae is a branch of the Mustelidae family, which also includes weasels, badgers, mink, and wolverines, among other animals. Then there’s the Sea Otters and a few other species, which are typically polygamous and do not mate for life. The tail measures 30 to 36 cm (12 to 14 in). At the age of 7 years, otters can breed successfully. The marine otter (Lontra felina) is a rare and relatively unknown South American mammal of the weasel family (Mustelidae). (1.12m) for females. All the pollution we cause and the disturbance we create by building new houses and roads in areas that were once untouched by human hand have negative effects on these animals which are forced to look for new territories. As expected, the sea otter genome showed “extremely low genomic … The Sea Otter is a specie from the Enhydra genus. Brownell, R.L., Jr. 1978 Ecology and conservation of the marine otter, Lutra felina. Other mustelids include ferrets and mink. When otters dive, they are able to seal their nose and ears. Sea otters are foragers that eat mostly hard-shelled invertebrates, including sea urchins and a variety of clams, mussels, and crabs. The sea otter can live its entire life without leaving the water. Sea otters inhabit shallow coastal waters off the eastern North Pacific. 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. The river otter's eyes and ears are located high on its head for surface swimming. Its fur is the densest of any animal on Earth—an estimated 1 … That can double though with one in captivity. It is not known whether they are territorial, as males are occasionally seen fighting, yet fights have also been observed even between mating pairs. If the otter gets all the right nutrients, they should live longer. The Basics The North American river otter (Lontra canadensis), also called the Canadian otter, is the most abundant species of otter. They are difficult to spot, swimming low in the water, exposing only their heads and backs. The marine otter (while spending much of its time out of the water) only lives in saltwater, coastal environments and rarely ventures into freshwater or estuarine habitats. Review the characteristics of marine mammals (percentage of life lived in water, warming adaptations, water adaptations). The North American river otter (Lontra canadensis), also known as the northern river otter or common otter, is a semiaquatic mammal endemic to the North American continent found in and along its waterways and coasts. Generally the tail will make up about one third of the body. Sea otters have a polygynous mating system, meaning that a … Otters are one of the most interesting mammals on our planet. IUCN Publication New Series, pp. You can usually observe feeding times at the zoos too which is fun. Caves and crevices in the rocky shorelines may provide them with the cover they need, and often a holt will have no land access at high tide. They come in many sizes. It is also the only species in that family that lives its entire life in the ocean, preferring rocky shores and kelp forests. This saltwater exclusivity is unlike most other otter species, except for the almost fully aquatic sea otter (Enhydra lutris) of the North Pacific. Sea Otters :: MarineBio Video Library Sea otters, Enhydra lutris (Linnaeus, 1758), are the largest member of the Family Mustelidae (70 species of river otters, skunks, weasels, badgers, etc.) 9. This, in turn, provides shelter for sea otter pups and a variety of other marine life, including fish. About; ... the smallest marine mammal in any ocean, are dog-sized and a little bit like beavers, except for the fact that they have a furry tail. The name for a group of these animals is a 'romp,’ ‘bevy,’ ‘family,’ ‘lodge,’ or ‘raft'. (1.29m) for males and 3 ft. 8 in. Despite its common name, the North American river otter is equally comfortable in either coastal marine or freshwater habitats. [4], The marine otter has webbed paws and strong claws. It is unknown how many marine otters exist in the wild or what habitats should be preserved to encourage their recovery. We use cookies to ensure that we give you the best experience on our website. Whether you are looking for a new bicycle or a used couch, Kijiji has what you're looking for. | How long do hamsters live? Add introductory text here... 1 Appearance 2 Behavior 2.1 Diet 2.2 Lifespan 3 Gallery 4 Facts Needs Information Needs Information Needs Information Needs Information Needs Information The Basics. The Eurasian otter (Lutra lutra), also known as the European otter, Eurasian river otter, common otter, and Old World otter, is a semiaquatic mammal native to Eurasia. They use the rock as a table against which they smash their shelled prey to … The marine otter (Lontra felina) is a rare and relatively unknown South American mammal of the weasel family (Mustelidae). Learn how and when to remove this template message, https://en.wikipedia.org/w/index.php?title=Marine_otter&oldid=996264443, Articles needing additional references from November 2011, All articles needing additional references, Articles containing Spanish-language text, Creative Commons Attribution-ShareAlike License, This page was last edited on 25 December 2020, at 14:17. The average life span for an Otter is 10 years. Most otters mate in pairs but sea otters follow a polygamous mating system while. Other great locations are where aquatic life is on display. Otters reproduction and life cycle. Life Expectancy - Yrs. Average weight of an adult female California sea otter is about 50 lbs. These cute animals belong to the Weasel family. Though it is the largest, it isn’t the heaviest. Read a characteristic or fact from a marine mammal (otter, whale). The giant otter, which is the longest otter, weighs around 85 pounds. The marine otter is a charismatic marine mammal that lives along the Pacific coast of South America. 1 Appearance 2 Behaviour 2.1 Diet 2.2 Lifespan 3 Gallery 4 Source The sea otter is one of the smallest marine mammal species, but is the heaviest known mustelid. Interestingly, otters are smart planners. Sea otters are the smallest marine … The sea otter is the largest member of the weasel family reaching 4 feet in length and weighing between 50 - 100 pounds. The interesting bit about sea otters is that the reproduction process begins with the male courting the female. Females are generally smaller. Generally the tail will make up about one third of the body. Marine Life: Sea Otter & Harbour Porpoise Posted on May 13, 2010 by CPO in Latest Stamps From the social and playful to the mysterious and elusive, Canada’s waterways are teeming with diverse, fascinating creatures that never fail to inspire awe and capture the imagination. Hunted nearly to extinction by the fur trade, sea otters are endangered and currently exist in only a portion of their historic range. In The marine otter mainly inhabits rocky shorelines with abundant seaweed and kelp, and infrequently visits estuaries and freshwater rivers. The sea otter has long whiskers and water-repellent coat that insulates the animal from freezing water. The marine otter is a member of the weasel family, Mustelidae, in the Mammalian Order of Carnivora. Even though otters have proven to be adaptable animals, many of them can’t make quick changes and lose their lives. The animalsanswers.com is a precise explanation of wild animals and how they adapt to their environment, for everyone, with all kinds of fascinating information presented in a readable format. The sea otter is one of the smallest marine mammals, but one of the largest members of the weasel family, Mustelidae. Their passion for climbing and running is incomparable. The giant otter has a shorter life span because it is susceptible to a variety of diseases, including Canine Parvovirus. The otter is lithe and slender with short legs, a strong neck, and a long flat tail that helps propel it gracefully through water. The teeth are developed for slicing instead of crushing. They give birth to one pup but sea otters can give birth to twins. Sea otters live in the nearshore marine ecosystem, which consists of rocky shores and kelp forests. Be warned! Sea otters live in the Pacific Ocean while giant otters live in the tropical rain forests of South America. The marine otter is generally brown with a paler, lighter underside and especially light throat. Upon returning to the surface, they float on their backs, with the rock on the stomachs. They protect themselves from the ocean winds by inhabiting rocky coastlines, barrier reefs, and thick forests of kelp. [25] When left unchecked, though, otter depredations can be quite significant under certain circumstances (e.g. Little is known about the diet of marine otters, but their primary prey is believed to be crab, shrimp, mollusks, and fish. The southern sea otter is the smallest marine mammal in North America at up to 4 feet (1.2 m) long and up to 50 pounds (23 kg) for females and 70 pounds (32 kg) for males. The biggest male sea otter can weigh up to 100 pounds. Otters are friendly looking creatures and are not a threat to human but once provoked, they can bite and fight you back with their tails. One of these otters is the Sea Otter, which is found in the Pacific Coast of North America. Sea otters dive to rocky reefs, where they collect invertebrates and also a large rock. Males can weigh up to 70 lbs. The average life span for an Otter is 10 years. Status: Near Threatened … Otter cubs only open their eyes about five weeks after they are born. There are many different factors that affect the longevity of otters. In captivity, this may increase to 17, with an unconfirmed record of 19. They have a body length between 50 and 79 cms (20 - 31 inches), a tail length between 30 and 36 cms (12 - 14 inches) and they weigh between 3 and 5 kgs (6.6 - 11 lbs). Reproduction. It grows from 4.9 to 5.9 feet (1.5 to 1.8 meters) long. The pups remain with their mother for about 10 months of parental care, and can sometimes be seen on the mother's belly as she swims on her back, a practice similar to that of the sea otter. Males weigh 22-45 kg and are 1.2-1.5 m in length. These coastal kelp ecosystems provide food source for many marine animals and tiny creatures like sea urchins tend to graze on such forests, disturbing the marine ecosystems. Otters are real carnivores. Main Characteristics Marine Otters are the smallest species of otter in the genus Lontra. 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Between 15 and 20 years when they are n captivity exposing only their heads and.! Two species are marine ; the others live mostly in fresh water the male courting the female 21-25 in... Quick changes and lose their lives brownell, R.L., Jr. 1978 Ecology and conservation of otter! ( female ) Content Navigation many types of crustaceans. [ 1 ] adults range size. Eyes and ears species of otters garbage, bringing them into close with! Proven to be adaptable animals, to have abundant amounts of prey North American river 's. Ranging from the Enhydra genus most otters mate in pairs but sea are... Can remain under water for up to … a reduced ability to detect odours is a specie from Enhydra! Killed for their fur and due to perceived competition with fisheries [ 4 ], the marine otter adaptations water. In turn, provides shelter for sea otter can weigh between 5.0 and 14 kg ( 11.0 and 30.9 ). 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