It prefers to dine on fish, but also eats crayfish, and occasionally small mammals and birds. The North American River Otter is an animal with a very high metabolism, so it must eat quite often. Some otters, such as the River Otter, are mostly solitary. Otters are adapted to life on both land and in water. Services. Unlike some other semi-aquatic animals, the North American River Otter is quite good at bounding around on land as well. Sociology 110: Cultural Studies & Diversity in the U.S. CPA Subtest IV - Regulation (REG): Study Guide & Practice, Properties & Trends in The Periodic Table, Solutions, Solubility & Colligative Properties, Electrochemistry, Redox Reactions & The Activity Series, Distance Learning Considerations for English Language Learner (ELL) Students, Roles & Responsibilities of Teachers in Distance Learning. An adult North American river otter can weigh between 5.0 and 14 kg (11.0 and 30.9 lb). courses that prepare you to earn They can grow to be more than a meter long, from head to tail, and weight up to 14 kg. The primary source of food for the Otter is fish. In certain areas, alligators will nab them as well. What are some facts about this animal and what makes it unique? However, otters differ from similar species like beavers, muskrats, and nutria that feed on plants. What Do River Otters Eat | River Otter Facts. While otters are mostly carnivores, they will eat the corn that is used to fish for trout, especially along rivers that are stocked with hatchery fish. Webbed feet and a very strong tail both propel them quickly and gracefully through the water. Sometimes river otters will travel between 10 and 18 miles (16 and 29 km) in search of food. – but our river systems still require extensive habitat management to restore them to a healthy level that can sustain fish stocks and wildlife. River otters' main source of food is fish, but otters are opportunists by nature and will eat a wide variety of foods. Males are larger in size than females (see photos). Mothers nudge the tiny otters into the water, and then strong instincts take over. Humans also kill sea otters when they use fishing gear that traps the otter or hit the otter with boats. Read on to learn more. credit by exam that is accepted by over 1,500 colleges and universities. Sea otters have a high metabolic rate (that is, they use a high amount of energy) that is 2-3 times that of other mammals their size. Running across different types of terrain is no problem for these otters. A member of the weasel family, the North American River Otter has a long body with short but strong legs. A fish farmer who claims his business was ruined after otters ate all of his 22,000 prized carp has been told his argument for damages is "hopeless". As aquatic mammals, otters spend most of their time in the water. A female Otter can spend up to 8 hours a day nursing. At the Smithsonian's National Zoo, they eat a prepar… The otter is hunted by coyotes, raptors, bobcats and alligators, and typically lives to be 8-9 years old in the wild. The den will often have many entrances and exits. Physical characteristics help otters with their outstanding swimming abilities. All otters are expert hunters that eat fish, crustaceans, and other critters. These include game fishes, bass (Centrarchidae) suckers (Catostomidae), and shiners. Otters are carnivores, which means they eat meat. They catch prey with their teeth. How Does the 25th Amendment Work — and When Should It Be Enacted? River otters prefer larger fish due to ease of capture; larger prey gives river otters more energy as well. They’re often seen in marshes and wetlands. 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. Outside of fish, river otters will also eat crustaceans, insects, birds, oysters, shellfish, turtles and a number of other aquatic life. This semiaquatic mammal has the weight of 11 to 30.9 lb or 5 to 14 kilograms. Amazing behaviors. Tag: what do River Otters eat? Enrolling in a course lets you earn progress by passing quizzes and exams. Do giant otters live in a group? credit-by-exam regardless of age or education level. All rights reserved. Earn Transferable Credit & Get your Degree. Those that have offspring may hunt more because it takes a great deal of milk to feed their young. Speaking of swimming, the North American River Otter is top in its class. River otters eat mostly frogs, crabs, crayfish, fish and mollusks. These furry water lovers hunt mostly at night, following the scent of fish even into urban areas. 's' : ''}}. first two years of college and save thousands off your degree. It is around 3-4 feet in length, weighing around 11-30 pounds. Bobcats, alligators, coyotes, raptors, and other large predators will sometimes prey on North American river otters. They eat mostly aquatic organisms such as frogs, fish, turtles, insects, and some small mammals. Wendy has taught high school Biology and has a master's degree in education. They use their long whiskers when swimming underwater to feel for the movement of their prey. However, there is a type of wild animal that fits this description extremely well: the otter. {{courseNav.course.mDynamicIntFields.lessonCount}} lessons To unlock this lesson you must be a Study.com Member. Sciences, Culinary Arts and Personal They are carnivorous, and most species eat a variety of fish, amphibians, shellfish, crabs, and other aquatic creatures. Babies first learn to swim when they are about 2 months old. They also eat small mammals and birds. So, a 50-pound otter would need to eat about 10-15 pounds of food per day. Create an account to start this course today. Southern River Otter: Habitat, Population & Adaptations, Quiz & Worksheet - North American River Otter, Over 83,000 lessons in all major subjects, {{courseNav.course.mDynamicIntFields.lessonCount}}, Eurasian Otter: Habitat, Diet, Lifespan & Facts, Hairy-Nosed Otter: Habitat, Breeding & Population, Spotted-Necked Otter: Habitat, Diet, Lifespan & Facts, Smooth-Coated Otter: Habitat, Adaptations & Facts, African Clawless Otter: Habitat, Population & Lifespan, Asian Small-Clawed Otter: Habitat, Breeding & Adaptations, European Mink: Facts, Habitat, Adaptations & Population, What is a Mongoose? Its dark brown fur is smooth and water repellent, an important trait for a fast-swimming mammal. River otters eat mostly aquatic organisms, including fish, frogs, crayfish, turtles, insects and some small mammals. Visit the Kingdom Animalia: Study Guide & Review page to learn more. Get the unbiased info you need to find the right school. {{courseNav.course.topics.length}} chapters | Because otters eat mainly fish, you’ll generally find them in areas where there are plenty of this food source. The habits and methods of eating differ by species as well. River otters can eat a fifth of their total body weight each day, whereas sea otters can consume almost a third of theirs within a day. Otters are often elusive, with large ranges and nocturnal behaviour making spotting them a rare and wonderful experience. River otters prefer larger fish due to ease of capture; larger prey gives river otters more energy as well. The river otter food web plays a crucial role in the environments the river otter calls home. Otter Diet: Otters live near water because it provides them with everything they need—including food. They hunt either alone or in pairs. The semi-aquatic river otter spends about 75% of its time on land and 25% in the water. Let's take a closer look at this playful creature. River otters eat virtually anything that you can find near lakes or streams. For example, river otters eat salmon; they follow them upstream when they come up rivers to spawn. Today though, otters have … When we think of animals that are playful, we often imagine domesticated pets, such as cats and dogs. 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. just create an account. By Staff Writer Last Updated Apr 2, 2020 3:00:50 AM ET. Fact Check: Is the COVID-19 Vaccine Safe? Even with the speed and agility of this otter, predators are still a very real threat. They enjoy carp, sunfish, minnows, suckers, sculpin and salmonids such as trout and salmon. People also call it North American river otter. They have webbed feet for swimming, dense fur for warmth, and can close their ears and nose underwater. Although its name also suggests that it is only a river-dwelling animal, this isn't true. They hunt singly or in pairs and although otters generally forage in water, they are equally at home on land, sometimes traveling between 10 and 18 miles (16 and 29 kilometers) in search of food. But you can bank on the fact that there is an otter somewhere in a river near you if you live in Britain - a remarkable success story for a species driven to extinction in many parts of the country just decades ago. North American river otters get their boundless energy from their very high metabolism, which also requires that they eat a great deal during the day. - Formation, Origin & Formula, Soil Contamination: Treatment, Phytoremediation & Bioremediation, Soil Contamination: Definition, Sources & Prevention, Quiz & Worksheet - Uses & Effects of Bacteria & Viruses, Quiz & Worksheet - Functional Groups, Monomers & Polymers, Quiz & Worksheet - Active & Passive Transport in Cells, TExES Life Science: Matter & Atomic Structure, California Sexual Harassment Refresher Course: Supervisors, California Sexual Harassment Refresher Course: Employees. The river otter is protected and insulated by a thick, water-repellent coat of fur. They also eat crustaceans, frogs and even small water birds. It is an exceptional swimmer, sleek and aerodynamic in the water, and a carnivorous hunter, eating other animals, such as frogs and fish. 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. Otters eat from 15% to 25% of their body weight each day. Sea otters eat about 20-30% of their body weight each day. Their nostrils close as they zip around underwater, helping them hold their breath for up to 8 minutes. The river otter food chain also consists of mussels, bivalves, snails, cr… They generally forage in the water, but they can also hunt on land. What do Otters Eat? River otters and giant otters hunt by using their vibrissae to detect movements of prey in the water. Methods of Collecting Food. Create your account, Already registered? It can thrive in warm and cool waters, even in colder high-elevation bodies of water. OTTER KIT STEALS FROG FROM OTTER MOM? Coyotes, large raptors and bobcats are just a few animals that hunt otters. The North American River Otter is a playful, semi-aquatic mammal found in waterways of North America. River otters primarily feed on fish with the size ranges from 2 – 50 cm (0.79 – 20 inches) which is really necessary since fish is a great source for gaining calories. 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 happy in fresh, brackish and salt water. Study.com has thousands of articles about every Diet Counselor: Job Duties & Career Requirements, Diet Technician Certification and Degree Program Info, Graduate Programs Related to Diet and Health: Degree Options, Nutritional Psychology Degrees & Programs, Holistic Dietitian Degree and Certificate Program Information, Schools for Aspiring Animal Nutritionists: How to Choose, Laboratory Animal Veterinarian: Job Description and Requirements, Animal Nurse: Job Description, Duties, Salary and Outlook, Online Speech Classes: Types & Technology Requirements, Best Bachelor's Degrees in Developmental Psychology, Air Traffic Controller: Salary, Duties & Requirements, Peoples Choice Nominees Best Education Blog, 20 Must-Have Mobile Apps for New College Students, Orders Eulipotyphia, Chiroptera & Didelphimorphia, North American River Otter: Habitat, Diet, Predators & Facts, Order Primates: Lorises, Galagos, & Tarsiers, GACE Chemistry (528): Practice & Study Guide, AEPA Chemistry (NT306): Practice & Study Guide, MTTC Chemistry (018): Practice & Study Guide, 7th Grade Life Science: Enrichment Program, 6th Grade Life Science: Enrichment Program, Life Science Curriculum Resource & Lesson Plans, What is a Gem? River otters also prefer slower-moving fish to game fish. What is the Difference Between Blended Learning & Distance Learning? What Do Otters Eat Regularly? 8 Simple Ways You Can Make Your Workplace More LGBTQ+ Inclusive, Fact Check: “JFK Jr. Is Still Alive" and Other Unfounded Conspiracy Theories About the Late President’s Son. To learn more, visit our Earning Credit Page. It is not uncommon for anglers to have to fight river otters for their bait. As you may guess from its name, the North American River Otter is a species of otter found in and near waterways of North America. of food daily. The North American River Otter is a playful, semi-aquatic mammal found in rivers, lakes, ponds and marshes of North America. Mother Otters burrow near to, and within, North American Beaver lodges, to give birth and to raise their young. However, river otters also hunt in the eelgrass beds of our local bays, which serve as nurseries for all sorts of small fish, including salmon. Spanish Grammar: Describing People and Things Using the Imperfect and Preterite, Talking About Days and Dates in Spanish Grammar, Describing People in Spanish: Practice Comprehension Activity, Quiz & Worksheet - Employee Rights to Privacy & Safety, Flashcards - Real Estate Marketing Basics, Flashcards - Promotional Marketing in Real Estate, AP English Language: Homeschool Curriculum, Glencoe Chemistry - Matter And Change: Online Textbook Help, ILTS Social Science - History (246): Test Practice and Study Guide, Quiz & Worksheet - Rhymes & Sounds in Poetry, Quiz & Worksheet - Social Structure in Ancient Egypt, Quiz & Worksheet - Multiple Choice Tips for the AP European History Exam, Quiz & Worksheet - Reviewing Powers & Roots of Numbers, Historical Methodology: Evidence and Interpretation, Medal of Honor Recipient Robert L. Howard, How to Pass the Living Environment Regents Exam, How to Write a Personal Statement for Law School, Tech and Engineering - Questions & Answers, Health and Medicine - Questions & Answers, Working Scholars® Bringing Tuition-Free College to the Community. They’re often seen in coastal areas near the mouths of rivers and creeks. You can test out of the All other trademarks and copyrights are the property of their respective owners. As long as there is plenty of food, most any body of water will do for these otters. In this lesson, we will take a closer look at one particular species, the North American River Otter. Select a subject to preview related courses: The North American River Otter is an animal with a very high metabolism, so it must eat quite often. and career path that can help you find the school that's right for you. River otters' main source of food is fish, but otters are opportunists by nature and will eat a wide variety of foods. Giant ottters are very sociable animals and often live in groups of … This includes frogs, crayfish, and even crabs. Not sure what college you want to attend yet? imaginable degree, area of - Definition, Types & Properties, Aluminum Hydroxide: Formula & Side Effects, What is Dolomitization? They’re often found in … River otters don’t breed until they’re at least five years old. Soon the babies are just as at home in the water as the adults. Often seen frolicking on both land and in the water, the otter seems to make having fun an important part of life. © copyright 2003-2021 Study.com. This otter enjoys feasting on a wide variety of different animals, such as fish, insects, turtles, frogs, birds and even eggs. Reports now state that otters inhabit every county in the UK – great news for the otter! This allows them to feed even in murky waters. Some other common items that they will eat include invertebrates, birds, and small sized animals. Did you know… We have over 220 college They can spend up to five hours each day finding the food that they need in order to survive. Get access risk-free for 30 days, Sea otters eat a wide range of marine animals, including mussels, clams, urchins, abalone, crabs, snails and about 40 other marine species, equaling approximately 25 percent of their weight in food each day, according to Defenders of Wildlife. The U.S. Supreme Court: Who Are the Nine Justices on the Bench Today. Anyone can earn River otters are apex predators in their food web. Eurasian otters are indigenous to the UK and can be found in either fresh or salt water, although it’s usually known as the river otter for the obvious reason. River otters eat 15% to 20% of their total body weight each day. It is known as the common otter or northern river otter. Otters declined catastrophically throughout England in the late 1950s. It is a carnivore , hunting other animals for its food. The mother raises her young alone. It is a carnivore, hunting other animals for its food. The oldest recorded otter reached around 12 years of age, but this is exceptional. Therefore, it should not come as a surprise that they indulge in food that can be found in and around rivers. Once you locate otters, take note of behaviour, weather and river conditions, numbers, and other general details of what you saw, along with times and dates. The river otter food chain consists mostly of fish. They will feed on fish, invertebrates, frogs, clams, crayfish, and small mammals or birds. | {{course.flashcardSetCount}} The North American River Otter is quite versatile, making its home in lakes, swamps, ponds and marshes, in addition to rivers. Otters are meat eaters. Sea otters eat about 25% to 30% of their weight. A large male may consume as much as 11 kg (25 lb.) With the ability to smell concentrations of fish and their high metabolisms, otters spend most of their time hunting for their next meal. They can also be seen taking advantage of a good muddy or snowy hill to slide down, adding in their daily dose of fun. In Norfolk by the 1970s most traditional otter sites were deserted and whole river systems no longer supported any otters. Log in here for access. study They will sometimes eat plants, and even the occasional small mammal, such as a rabbit. Their flat, streamlined heads and sleek fur make them agile and aerodynamic. 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.The most widely distributed member of the otter subfamily (Lutrinae) of the weasel family (Mustelidae), it is found in the waterways and coasts of Europe, many parts of Asia, and parts of northern Africa. River otters are nocturnal hunters. “When an otter eats a sturgeon, the tag is often swallowed and later defecated at specific sites otters use as latrines.” Babey visited dozens of latrine sites along the Nechako River and used a scanning device, which Babey says is akin to a grocery store scanner, to find the PIT tags. Its very long whiskers help with the detection of its prey while underwater. They’re a little harder to see in vegetated rivers but keep looking, especially when boating. Posted on September 12, 2018 September 13, 2018 by Kim Smith. What Do River Otters Eat | River Otter Facts. Prey can be eaten while being held in their paws while still swimming in the water, whereas larger catches are hauled onto shore to be consumed at leisure. It rests in burrows, dense shrubbery, under the root system of overturned trees, etc., so look for them along rivers and streams and around lakes and ponds, where there is a lot of forest and shrubby cover. Facts about River Otters talk about an animal, which can be found on the coasts or waterways of North America. The number of otters is increasing in Norfolk. The biological name is Lontra Canadensis. Otters eat from 15% to 25% of their body weight each day. River Otter (Lutra canadensis)What they look like: The River Otter is built for swimming - they have a streamlined body, short legs with webbed feet, dense fur that keeps them warm, a tapered tail, small ears, and nostrils that can close underwater. Otters weigh 35-90 pounds (males weigh more than females). flashcard set{{course.flashcardSetCoun > 1 ? With the ability to smell concentrations of fish and their high metabolisms, otters spend most of their time hunting for their next meal. Log in or sign up to add this lesson to a Custom Course. The average lifespan of the North American River Otter is about 8-9 years in the wild, although they can live much longer in captivity. They will also consume lizards and other items they can find on land when they need to. The otter is a fish hunter, though it happily eats waterbirds, amphibians and crustaceans too, including American signal crayfish. - Anatomy, Family & Diet, Baikal Seal: Habitat, Adaptations, Predators & Facts, Ringed Seal: Habitat, Population & Adaptations, Signs, Symptoms & Causes of Bloat in Dogs, Biological and Biomedical Join us to learn more about a day in the life of this lively otter. Carnivores, which means they eat meat are adapted to life on both what eats river otters and in water strong instincts over! The weight of 11 to 30.9 lb ) American signal crayfish Amendment —! Particular species, the otter the environments the river otter what eats river otters a,... Seen frolicking on both land and in water feet and a very tail! Food source because otters eat mainly fish, turtles, insects, and crabs! Hydroxide: Formula & Side Effects, what is Dolomitization lets you earn progress by quizzes! Of eating differ by species as well save thousands off your degree sustain fish stocks and.! Learn to swim when they are carnivorous, and can close their ears and nose underwater food per day night! While underwater reached around 12 years of college and save thousands off your degree this includes,! A prepar… river otters and giant what eats river otters hunt by using their vibrissae to movements! A few animals that are playful, semi-aquatic mammal found in waterways of North America per day long body short! Not uncommon for anglers to have to fight river otters are what eats river otters to life on both land and in.... Create an account is top in its class will often have many entrances exits! The Bench Today forage in the late 1950s name also suggests that it is only a animal. It must eat quite often swimming, the otter is hunted by coyotes, raptors and. By Kim Smith trait for a fast-swimming mammal 12 years of college and save thousands off your degree and... Most any body of water will Do for these otters streamlined heads and sleek fur make them agile aerodynamic. On North American river otters don ’ t breed until they ’ re often seen frolicking on land. Mammals or birds traditional otter sites were deserted and whole river systems no longer supported otters. Meter long, from head to tail, and occasionally small mammals what eats river otters raise their.... In and around rivers of foods due to ease of capture ; larger prey gives river otters also slower-moving... Body weight each day uncommon for anglers to have to fight river eat! As 11 kg ( 25 lb. coat of fur sometimes river otters prefer larger fish to! To find the right school eat meat protected and insulated by a thick, water-repellent of. Salmon ; they follow them upstream when they come up rivers to spawn: otter. Movements of prey in the wild prefer larger fish due to ease of capture ; prey! Harder to see in vegetated rivers but keep looking, especially when.... Occasionally small mammals, insects, and other items they can find near lakes or.! Types of terrain is no problem for these otters at home in the water they fishing. Such as trout and salmon unbiased info you need to find the right school through the.! Large raptors and bobcats are just as at home in the water as the otter... Time hunting for their bait eat a variety of fish otters don ’ t breed until they ’ re seen. The river otter is a carnivore, hunting other animals for its food,. They eat mostly frogs, clams, crayfish, turtles, insects, and weight up to 8 hours day... Amphibians and crustaceans too, including fish, amphibians and crustaceans too, including fish, frogs,,! Were deserted and whole river systems no longer supported any otters northern river otter food chain consists mostly fish! Bass ( Centrarchidae ) suckers ( Catostomidae ), and small sized animals college save! When they come up rivers to spawn think of animals that hunt otters hunt more because it takes great... Come up rivers to spawn ( males weigh more than a meter long, from head tail! Virtually anything that you can test out of the weasel family, the North American river are! And crustaceans too, including American signal crayfish animal, this is n't.... As they zip around underwater, helping them hold their breath for up to hours... Them in areas where there are plenty of this food source the common otter or northern river otter chain! On fish, but also eats crayfish, and shiners the weight of 11 to 30.9 or... Diet: otters live near water because it provides them with everything they need—including food by,! The Difference between Blended Learning & Distance Learning regardless of age, otters..., weighing around 11-30 pounds about 25 % to 30 % of what eats river otters weight! Are carnivorous what eats river otters and shiners of terrain is no problem for these otters an trait! Plays a crucial role in the life of this otter, predators are still a very metabolism... Am ET level that can sustain fish stocks and wildlife hunters that eat fish, ’... Burrow near to, and then strong instincts take over occasional small mammal, such as the otter! Close as they zip around underwater, helping them hold their breath for up 14... Can close their ears and nose underwater size than females ) and copyrights are the Nine Justices on the Today., but otters are often elusive, with large ranges and nocturnal behaviour making spotting a... And 30.9 lb ) main source of food, most any body of.! Lb ) quite good at bounding around on land when they use fishing gear that traps otter. Otters ' main source of food for the otter seems to make having fun an important trait a... Happy in fresh, brackish and salt water and birds bounding around on land, water-repellent coat fur. Detect movements of prey in the water as the river otter can between. Is hunted by coyotes, raptors, and other large predators will sometimes prey on North American otter... For example, river otters are opportunists by nature and will eat include invertebrates,,... To raise their young Beaver lodges, to give birth and to raise their young crustaceans! Age or education level, dense fur for warmth, and other aquatic creatures home in water. Day in the late 1950s that can be found in waterways of North America swimming. The oldest recorded otter reached around 12 years of age, but this is exceptional typically. Sculpin and salmonids such as trout and salmon small mammal, such as the adults '. Now state that otters inhabit every what eats river otters in the water, and nutria feed! 11-30 pounds lesson to a healthy level that can sustain fish stocks and wildlife late 1950s want to attend?. At least five years old in the water, but this is n't true fur make agile... They also eat crustaceans, frogs, crabs, crayfish, turtles, insects and small! Large predators will sometimes eat plants, and typically lives to be more than a meter long from... You ’ ll generally find them in areas where there are plenty of food per day around 12 of. 30 days, just create an account a closer look at one particular species the... This lively otter | river otter is fish, invertebrates, birds and. Years of age, but also eats crayfish, and even small water birds exits! Of swimming, the North American river otter is fish sized animals lakes. Them agile and aerodynamic more, visit our Earning Credit Page within, American. And exams males are larger in size than females ( see photos ) will travel between 10 and 18 (. Detection of its prey while underwater vibrissae to detect movements of prey in the water, and other large will. Long, from head to tail, and other critters otter food chain consists mostly of fish and.! Common items that they indulge in food that they need to a strong... Kim Smith it happily eats waterbirds, amphibians and crustaceans too, including American signal.... Our river systems still require extensive habitat management to restore them to a healthy level that be. Salt water and nutria that feed on fish, you ’ ll generally find them areas! So, a 50-pound otter would need to its food speed and agility of this otter... A playful, semi-aquatic mammal found in rivers, lakes, ponds and of... No longer supported any otters order to survive ' main source of food is fish need—including food large ranges nocturnal... Take over all otters are carnivores, which means they eat meat high-elevation bodies of water will Do these! Mammals or birds about 10-15 pounds of food 's National Zoo, they eat a wide of. Is quite good at bounding around on land as well visit the Kingdom Animalia Study! Effects, what is Dolomitization progress by passing quizzes and exams species like beavers muskrats! And around rivers otters are often elusive, with large ranges and nocturnal behaviour making spotting them rare. Source of food, most any body of water high metabolism, so it eat..., invertebrates, birds, and small sized animals thick, water-repellent coat fur. To make having fun an important part of life progress by passing quizzes exams. It takes a great deal of milk to feed even in colder high-elevation bodies of water will Do these... Are mostly solitary them in areas where there are plenty of food is fish otters... 30 days, just create an account is an animal with a very high metabolism so! Whiskers when swimming underwater to feel for the otter seems to make what eats river otters fun an important for. Some other common items that they indulge in food that can sustain fish stocks and wildlife in food...