Lifespan: Sea otters can live up to 25 years of age, although the average lifespan is 10 to 12 years. Marine otters are foraging predators that eat a wide variety of prey. They can also reach 25 years of age in captivity. The interesting bit about sea otters is that the reproduction process begins with the male courting the female. Females are slightly smaller, weighing 14-33 kg and measuring 1-1.4m in length. They are at great risk of extinction due to many reasons such as fur trade, shark attacks, habitat degradation, oil spills ,fishing nets, disease and being viewed as competition. Lontra felina is also sometimes trained, domesticated, and used by fisherman. Marine otters have also been observed feeding cooperatively on large fish, but it is not known how common the practice is. Parents bring food to the pups and teach them to hunt. 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. Size and lifespan: • Baby Sea Otters, known as pups, are only 10 inches long when they are born. 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. 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. Observations of the amount of time a sea otter must spend each day foraging range from 24 to 60%, apparently depending on the availability of food in the area. 104-106. They choose areas that have rocky substrates. 9. The marine otter is generally brown with a paler, lighter underside and especially light throat. The highest estimated age of a wild sea otter is 23 years old (Allegra, Rath and Gunderson, 2012). 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. Upon returning to the surface, they float on their backs, with the rock on the stomachs. Sea otter predation and community organization in the Western Aleutian Islands, Alaska. Their passion for climbing and running is incomparable. It is not known whether they are territorial, as males are occasionally seen fighting, yet fights have also been observed even between mating pairs. Marine otters are found in littoral areas of southwestern South America, close to shore and in the intertidal areas of northern Peru (from the port of Chimbote), along the entire coast of Chile, and the extreme southern reaches of Argentina. Marine otters avoid sandy beaches. This distinction goes to the sea otter. The otter is lithe and slender with short legs, a strong neck, and a long flat tail that helps propel it gracefully through water. Generally the tail will make up about one third of the body. The teeth are developed for slicing instead of crushing. The giant otter is the longest otter measuring approximately 7 feet from nose to tail. 1978. Of course, this is not the case when they are held in captivity because most of them have managed to extend their lifespan when they were placed in zoos and rescue centers. While they prefer invertebrates, including crabs, clams, and other hard-shelled groups, they are also known to eat some fishes, juvenile birds, and even other mammals. ... Lifespan: The average lifespan is 12 years; the oldest river otter recorded was 27: Social Structure: ... rivers, and lakes. They store their small tools in the loose skin under the forelimbs. 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. There are many different factors that affect the longevity of otters. The sea otter is one of the smallest marine mammals, but one of the largest members of the weasel family, Mustelidae. 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 When hunting for prey, Marine otters will dive as deep as 30 to 40 m. A baby marine otter is a 'pup’ or ‘whelp'. The sea otter can live its entire life without leaving the water. Poaching is still a problem, but one of unknown magnitude. Even though otters have proven to be adaptable animals, many of them can’t make quick changes and lose their lives. Otters are known to be very lively animals and they love playing so much. The sea otter is the largest member of the weasel family reaching 4 feet in length and weighing between 50 - 100 pounds. Related posts: How long do hedgehogs live? The river otter's eyes and ears are located high on its head for surface swimming. Hunting extirpated them from most of Argentina and the Falkland Islands. Yet, there is information that they can reach 20 years when they are n captivity. Their habitats can be both marine and freshwater. Its fur is the densest of any animal on Earth—an estimated 1 … The marine otter is dark brown above and on the sides, and fawn on the throat and underside. There are 13 distinct species of otters ranging from the giant otter to the marine otter. Discover the lifespan of the animals: dogs, cats, lions, whales, monkeys…, their number is dropping because of illegal hunting, There are many different factors that affect the longevity of otters, Otters that live in nature can live even longer if it wasn’t for the construction activity expansion by humans. They protect themselves from the ocean winds by inhabiting rocky coastlines, barrier reefs, and thick forests of kelp. Status: Near Threatened … Otter cubs only open their eyes about five weeks after they are born. "Why is or is it not a marine mammal?" Then there’s the Sea Otters and a few other species, which are typically polygamous and do not mate for life. Sea otter fur is the densest of any mammal at about 1 million hairs per square inch (We have 100,000 hairs on our entire head). Litters of two to five pups are born in January, February or March after a gestation period of 60 to 70 days. Adult sea otters standard length is on average 4 ft. 3 in. 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. Type: Mammal Location: One of the widest distributions of a UK mammal species, the Eurasian Otter is found throughout Europe, eastern Russia and China, south and south east Asia and north Africa. The North American river otters can live for up to 21-25 years in captivity. [28] Otters are known to take larger fish on land to eat, whereas smaller fish are consumed in the water. Population. The sea otter has long whiskers and water-repellent coat that insulates the animal from freezing water. They have an interesting method of eating their prey. Otters are very social and they spend more time with each other. Home otter-marine 2019-05-20T17:42:41+02:00 WHY ME . Mating, birth, and nursing take pl… Marine otters may be monogamous or polygamous, and breeding occurs in December or January. 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. When otters dive, they are able to seal their nose and ears. Not only are sea otters one of the most adorable mammals found in our ocean, they also play an essential role in their marine ecosystem. What is the habitat of a sea otter? Adults range in size from 3-4 feet and weigh about 7-13lbs. Family: The Sea Otter is the largest member of the weasel family (the Mustelidae). You can usually observe feeding times at the zoos too which is fun. In January, Charlie's longtime zoo-mate Brook, a 21-year-old sea otter, died after being diagnosed with congestive heart failure. This, in turn, provides shelter for sea otter pups and a variety of other marine life, including fish. It helps to protect them as well as to help them steer through the water. ... Otters live in a group, spending their entire lives out at sea, except to give birth. The lifespan of other species like the giant river otter or the European otter is more or less the same. The sea otter is a charismatic marine mammal in the north Pacific Ocean and one of the largest species in the weasel family. In the UK IOSF is the only charity solely dedicated to the conservation, protection and care of otters based on years of scientific research in the UK and around the world. Other great locations are where aquatic life is on display. The marine otter mainly inhabits rocky shorelines with abundant seaweed and kelp, and infrequently visits estuaries and freshwater rivers. We use cookies to ensure that we give you the best experience on our website. The tail measures 30 to 36 cm (12 to 14 in). Its ears and nostrils are closed down in water. Otters that live in nature can live even longer if it wasn’t for the construction activity expansion by humans. Palmisano. Sea otters live in the Pacific Ocean while giant otters live in the tropical rain forests of South America. This is the reason why otters are so active and spend several hours a day hunting. There are 13 species of otters, in seven genera, according to Integrated Taxonomic Information System (ITIS). 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. Marine otters are rare and are protected under Peruvian, Chilean, and Argentine law. The tail comprises less than a third of the body length. The river otter is protected and insulated by a thick, water-repellent coat of fur. It appears to select habitats with surprisingly high exposure to strong swells and winds, unlike many other otters, which prefer calmer waters. While kelp forests will benefit from the return of k uu, the animals are still seen as a mixed blessing here.. K uu eat many other kinds of shellfish along with urchins, and so pose a threat to local fishers—and to the Haida way of life. Males weigh up to 90 lbs. The Basics. 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. A wide range of plants and animals, as well as humans, benefit from consuming salmon, including killer whales, sharks, sea lions, seals, otters, bears, loons, mergansers, heron and kingfishers. Periodically, fruits are also consumed. Marine otters were listed under CITES Appendix I in 1976, and are listed as endangered by the U.S. Department of the Interior. But if sea otters are abundant, they eat sea urchins and keep the urchin population in check, which allows kelp to flourish. (1.29m) for males and 3 ft. 8 in. What is the lifespan of a sea otter? The scientific name means "otter cat", and in Spanish, the marine otter is also often referred to as gato marino: "marine cat". | How long do rabbits live? The ventral side (underside) of the paws are partially covered in fur. Mating and breeding do not occur in the sea. Sea otters are commonly spotted on WWF’s Alaska tours. Despite its common name, the North American river otter is equally comfortable in either coastal marine or freshwater habitats. Adult males weigh on average … Sea otters have a polygynous mating system, meaning that a … They come in many sizes. Life Expectancy - Yrs. Main Characteristics Marine Otters are the smallest species of otter in the genus Lontra. [1] Occasional vagrant sightings still occur as far afield as the Falkland Islands. Females are generally smaller. (1.12m) for females. VANCOUVER -- The Vancouver Aquarium's rescued otter Whiffen died on Saturday an hour into a medical procedure. Otters, Proceedings of the First Working Meeting of the IUCN - SSC Otter Specialist Group, Paramaribo, Suriname. The marine otter (Lontra felina) is a rare and relatively unknown South American mammal of the weasel family (Mustelidae). 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. 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. Let's find out about the description, size, lifespan, habitat and much more in Sea Otter … Generally the tail will make up about one third of the body. The sea otter can live its entire life without leaving the water. An Otter can remain under water for up to … Sea otters are native to the coasts along the eastern and northern Pacific Ocean. This saltwater exclusivity is unlike most other otter species, except for the almost fully aquatic s… Average lifespan: 10–15 years (male) 15–20 years (female) Content Navigation. 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. [4][5] Its fur is coarse, with guard hairs measuring up to 2 cm (0.79 in) in length covering dense, insulating underfur. Otters are not kept as pets because they need special conditions to live a healthy life, but there are many otters that live in captivity (in research centers, zoos etc.). In captivity, this may increase to 17, with an unconfirmed record of 19. Mating and breeding do not occur in the sea. 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. 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. When it comes to the lifespan of these animals, we must say that there is no exact answer to the question “How long do otters live?” However, according to many experts who have worked with these animals, their average lifespan is around 10 years. Before stepping on your boat, make sure you read the owner’s manual for information on operation and safety. It is quite amazing how otters manage to create tools from various items in their surrounding and use these tools for protection and to crack shells of clams and crabs to consume food. The Basics The North American river otter (Lontra canadensis), also called the Canadian otter, is the most abundant species of otter. Sea otter males generally live up to 10-15 years, while females live 15-20 years. Hunted nearly to extinction by the fur trade, sea otters are endangered and currently exist in only a portion of their historic range. A third eyelid, or nictitating membrane, protects the eye and allows the otter to see when swimming underwater. Interestingly, Congo Clawless Otters are monogamous but they do not mate for life. River otters have long, stiff and highly sensitive facial whiskers that aid in locating and capturing prey. Fighting takes place on prominent rocks above the waterline, which are also used for resting, feeding, and grooming. Females with pups appear to be more inclined to feed at night. Lifespan: Sea otters can live up to 25 years of age, although the average lifespan is 10 to 12 years. For example, as we already said there are different species. Unlike many species of weasels, scientists believe the marine otter to be monogamous. It is unknown how many marine otters exist in the wild or what habitats should be preserved to encourage their recovery. The marine otter (Lontra felina) is a rare and relatively unknown South American mammal of the weasel family (Mustelidae). The tail comprises less than a third of the body length. 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. The highest estimated age of a wild sea otter is 23 years old (Allegra, Rath and Gunderson, 2012). This is important because sea otters do not have the layer of blubber to keep them warm, as do other marine mammals. [25] When left unchecked, though, otter depredations can be quite significant under certain circumstances (e.g. It is also the only species in that family that lives its entire life in the ocean, preferring rocky shores and kelp forests. 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