At least 711 Asian small-clawed otters were offered for sale through online websites by 280 traders in Indonesia, Thailand, Malaysia and Vietnam between 2016 and 2017. They are carnivorous, and most species eat a variety of fish, amphibians, shellfish, crabs, and other aquatic creatures. Otter Diet: Otters live near water because it provides them with everything they need—including food. This is likely the result of environmental pollution, to which these otters are particularly sensitive. Its eyes are located toward the front of the head. Length of skull ranges from 3.3 to 3.7 in (84 to 94 mm). They use their forepaws to locate and capture items rather than their mouths. What they eat: River Otters are carnivorous (they eat meat). They are well adapted to swimming and hunting. These creatures inhabit a wide range of aquatic habitats. River otters don’t breed until they’re at least five years old. What Do Otters Eat? [27], The Asian small-clawed otter was listed on CITES Appendix II and is protected in almost all range countries prohibiting its killing. River otters' main source of food is fish, but otters are opportunists by nature and will eat a wide variety of foods. The river otter population continues to decline to this day. What Do Otters Eat Regularly? There are various sounds that river otters make, depending on whether they are playing, irritated, in pain or in distress. River otters are able to learn vital survival skills through their play. Their habitat has been suffering from a negative impact since North America was colonized by Europe. With the ability to smell concentrations of fish and their high metabolisms, otters spend most of their time hunting for their next meal. Spraint smearing most likely facilitates social ties among group members and is associated with territorial marking displays. They are great swimmers, and on land, they can run at speeds of 15 miles an hour. Behavior: Rivers otters are … River otters are semi-aquatic mammals. Therefore, it should not come as a surprise that they indulge in food that can be found in and around rivers. Its paws are narrow with short digits that are webbed to the last joint. *, 30 Strange Flamingo Facts That You Never Knew About. In addition to fish and crayfish, river otters will … The four-lobed plantar pads are longer than wide. The habits and methods of eating differ by species as well. They eat a variety of animals, including fish, crustaceans, amphibians, snakes, water insects, snails, worms, small mammals, birds, eggs, frogs, turtles, and any aquatic invertebrates. Do giant otters live in a group? Otters munch from an aquatic menu. [1] Since August 2019, it is included in CITES Appendix I, thus strengthening its protection in regards to international trade. Intergroup communication generally occurs in the form of scent marking. [16], The Asian small-clawed otter is distributed from India to Southeast Asia including the islands of Sumatra, Java, Borneo and Palawan. In marshes, they use mostly islands. Their favorites are fish such as suckers, minnows, sunfish, bass, and minnows. It is a carnivore , hunting other animals for its food. Because river otters spend so much time in the water, and hunt for food in this environment, their eyesight is adapted for underwater vision. The hindmost upper teeth (pm4 and m3) are broad and robust and are specialized for crushing the exoskeletons of crabs and other hard shelled prey. [1][2] This species is a member of the otter subfamily (Lutrinae) of the weasel family (Mustelidae), and is the smallest otter species in the world. These skills include hunting and fighting. River Otters Communicate Using Sounds and Smells, River Otters Are Threatened by Habitat Loss. They have webbed feet for swimming, dense fur for warmth, and can close their ears and nose underwater. Its underfur is lighter near the base. This semiaquatic mammal has the weight of 11 to 30.9 lb or 5 to 14 kilograms. The claws are short, almost erect, and in some individuals even absent. The only predator that they have to worry about is the killer whale. A Field Guide to the Mammals of Borneo. This allows them to feed even in murky waters. [21] When diving under water, they undulate their bodies and tails. Their second choice is crayfish, then frogs and miscellaneous animals. Where do otters live? Interval between births is at least eight months. Although their range is decreasing as their habitat is being threatened, they are not currently endangered. This includes frogs, crayfish, and even crabs. The characteristics that create the streamlined profile of a river otter include small ears, a neck that has the same diameter as the head, short powerful legs, webbed toes, and a tapered tail that constitutes one-third of the otter’s length. Otters are eaten by large predators, such as great white sharks, killer whales, bears, sea lions, eagles and coyotes, depending on their geographical location. River otters are playful creatures found throughout aquatic habitats in North America. Their range has actually decreased over the years due to urbanization and pollution. Bobcats, alligators, coyotes, raptors, and other large predators will sometimes prey on North American river otters. The species of fish will vary depending on the location and habitat. A river otter’s diet consists largely of fish. Some other common items that they will eat include invertebrates, birds, and small sized animals. [30], CS1 maint: multiple names: authors list (, "Überblick der Säugethiere nach ihrer Verteilung über die Welttheile", "Notes on Some British Indian Otters, with Description of Two new Subspecies", "Phylogenetic relationships of otters (Carnivora: Mustelidae) based on mitochondrial cytochrome B sequences", "Establishing the foundation for an applied molecular taxonomy of otters in Southeast Asia", "Phylogeography of the smooth-coated otter (, "On the External Characters of some Species of Lutrinae (Otters)", "Notes on the Snakes and the Mammals of the High Wavy Mountains, Madura District, South India. The estrous cycle of females lasts 28 to 30 days with estrus lasting between one and 13 days. Due to the large volume of food they consume, otters can prove very problematic for fishermen or private land owners. This can be explained by the fact that river otters are among the most energetic animals in their niches. What Do River Otters Eat | River Otter Facts. The biological name is Lontra Canadensis. Captive otters swim at speeds of 0.7–1.2 m/s (2.3–3.9 ft/s). At about three months, they enter and paddle in shallow water under the guidance of the mother. The size of crabs found in spraints in Huai Kha Khaeng Wildlife Sanctuary ranged in carapace width from 10 to 44 cm (3.9 to 17.3 in). This species is a member of the otter subfamily (Lutrinae) of the weasel family (Mustelidae), and is the smallest otter species in the world. Please pass this on to an otter group in that area, so they can add the information to their database for monitoring and survey purposes. Volunteers and DEC staff live-trapped otter primarily in the Adirondacks (DEC Regions 5 and 6), but some otter from the Catskills and Hudson Valley (DEC Regions 3 … When and where available, it also catches snakes, frogs, insects, rats and rice field fish like catfish, Anabas testudineus and Channa striata. That way, they consume the meat without having to crush the shells.[14]. them to open. The frequency of latrines with smeared scats varied in different locations, indicating a preference for certain sites. It also occurs in mangroves. Group members communicate using 12 or more distinct calls, and utter a variety of yelps and whimpers. [14] When disturbed, they scream to rally the help of others. [19], The Asian small-clawed otter feeds mainly on crabs, mudskippers and Trichogaster fish. The Asian small-clawed otter inhabits mangrove swamps and freshwater wetlands in South and Southeast Asia. River otters have quite a large range. [11], The Asian small-clawed otter has deep brown fur with some rufous tinge on the back, but paler below. About two weeks before parturition, both female and male engage in building a nest. Lutra cinerea was the scientific name proposed by Johann Karl Wilhelm Illiger in 1815 for an otter collected in Batavia. Sleek, cylindrical body; small head; tail nearly one third of the body and tapers to a point; feet webbed; claws short; fur is dark dense brown. River otters eat mostly aquatic organisms, including fish, frogs, crayfish, turtles, insects and some small mammals. They use their long whiskers when swimming underwater to feel for the movement of their prey. The resulting offspring and their descendants bred back into the smooth-coated otter population, but maintained the genes of their small-clawed otter ancestors. River otters have also been known to utilize the burrows made by red foxes, woodchucks, beavers, nutria, and muskrats. [1], It is the most sought after otter species for the illegal pet trade in Asia. [16], Observations of wild Asian small-clawed otters revealed that they smear their spraint at latrine sites, using their hind feet and tails. However, these whales find Otters to be a great meal. How to Get Rid of Otters in the River Otters are a playful bunch, enjoying social interactions and daily routines with obvious glee. [23] River otters can be found in Canada, the Pacific North West, the Atlantic States, and the Gulf of Mexico. Some otters, such as the River Otter, are mostly solitary. Large groups smeared more than groups of three or fewer animals. In the late 1990s, the New York River Otter Project aimed to restore river otter to the watersheds of western New York. They inhabit both coastal regions and inland waterways. The Asian small-clawed otter (Aonyx cinereus), also known as the oriental small-clawed otter or simply small-clawed otter, is a semiaquatic mammal native to South and Southeast Asia. Usually, mating takes place in the water. One of the most unfortunate river otter facts is that these animals are currently threatened by habitat loss. Particularly noticeable during spring, summer and autumn means that river otters don t! 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what eats river otters

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