average weight of sea otter
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Eurasian otter Normally, this species is 57 to 95 cm (23–37 in) long, not counting a tail of 35–45 cm (14–18 in). The female is shorter than the male. The otter's average body weight is 7 to 12 kg (15.4–26.4 lbs), although occasionally a large old male may reach up to 17 kg (37 lbs). The record-sized specimen, reported by a reliable source but not verified, weighed over 24 kg (53 lbs).
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- River otters eat fish, frogs, crayfish, snails, and even rodents and birds, while sea otters only eat bottom-dwelling nearshore. invertebrates that they forage for in the ocean, such as abalone, sea-urchins, and crabs. River. otters swim on their stomachs, while sea otters swim mostly on their backs.
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Giant otter The giant otter or giant river otter (Pteronura brasiliensis) is a South American carnivorous mammal. It is the longest member of the Mustelidae, or weasel family, a globally successful group of predators, reaching up to 1.7 m (5.6 ft). Atypical of mustelids, the giant otter is a social species, with family groups typically supporting three to eight members.
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- Otters have long, slim bodies and relatively short limbs with webbed paws. Most have sharp claws on their feet and all except the sea otter have long, muscular tails. The 13 species range in adult size from 0.6 to 1.8 m (2.0 to 5.9 ft) in length and 1 to 45 kg (2.2 to 99.2 lb) in weight.
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Deep Sea Otters Sea Otters dive to the seafloor to obtain a variety of invertebrate animals. The most common prey of Sea Otters are sea urchins, mussels, abalone, clams, scallops, crabs, sea snails, chitons, octopus, and squid. An acute sense of touch, using paws, nose, and whiskers, is very important for finding prey in crevices or bottom sediments, and during dim light.
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Deep Sea Otters An otter in the sea is usually not a Sea Otter!The Sea Otter (Enhydra lutris) is our smallest marine mammal, but is one of the largest of the world's 13 otter species - males weigh up to 45 kilograms and reach 148 centimetres in length. Females are slightly smaller.
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- Scientific Name: Enhydra lutris kenyoni. Family: The sea otter is the largest member of the Mustelidae, or weasel family, and the only one which lives almost entirely in the water. Lifespan: Sea otters can live up to 25 years of age, although the average lifespan is 10 to 12 years.ur: Sea otter fur is the finest of any mammal, consisting of 850,000 to 1 million hairs per square inch. Sea otters depend on these hairs to keep them warm while in the water. If a sea otter’s fur becomes soiled with foreign substances such as oil, the sea otter will not be able to keep itself insulated.
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Endangered Sea Otter The sea otter (Enhydra lutris) is a marine mammal native to the coasts of the northern and eastern North Pacific Ocean.Adult sea otters typically weigh between 14 and 45 kg (31 and 99 lb), making them the heaviest members of the weasel family, but among the smallest marine mammals.he sea otter inhabits offshore environments, where it dives to the sea floor to forage. It preys mostly on marine invertebrates such as sea urchins, various molluscs and crustaceans, and some species of fish.
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- River otters avoid polluted waterways, but will seek out a concentrated food source upstream in urban areas. River otters are sometimes mistaken for their much larger seagoing cousin, the sea otter (Enhydra lutris, Fig. 2). However, male sea otters measure 6 feet in length and weigh 80 pounds. Sea otters are acclimated to salt water, and come to shore only for occasional rest periods and to give birth. In comparison, river otters can be found in fresh, brackish, or salt water, and can travel overland for considerable distances.
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Sea Otter Sea otters are members of the weasel or mustelid family. Like other members of this family, they have very thick fur. In fact, at 850,000 to one million hairs per square inch, they have the thickest fur of any mammal.
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Basic Facts about Sea Otters In the U.S., there are two distinct sea otter subspecies, the Northern sea otter (Enhydra lutris kenyoni) and the Southern sea otter (Enhydra lutris nereis). Northern sea otters are found in the Aleutian Islands, Southern Alaska, British Columbia, and Washington.ea otters eat urchins, abalone, mussels, clams, crabs, snails and about 40 other marine species. Sea otters eat approximately 25% of their weight in food each day to support their high metabolism.
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- Thankfully, due to their high metabolism, sea otters constantly munch on crabs, clams and urchins. In fact, on a daily basis, otters eat up to 25 percent of their body weight, which would equal 40 pounds of food a day for the average human! Otters often nap after wrapping themselves in strands of kelp so they don't drift away while they sleep.
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Narwhal For both sexes, excluding the male's tusk, the total body size can range from 3.95 to 5.5 m (13.0 to 18.0 ft); the males are slightly larger than the females. The average weight of an adult narwhal is 800 to 1,600 kg (1,800 to 3,500 lb).
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Ten Facts about Sea Otters 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 sea otter can live its entire life without leaving the water. 9. Its fur is the densest of any animal on Earth—an estimated 1 million hairs per square inch. That’s because, unlike its fellow marine mammals, it has no blubber to keep it warm. 8. The sea otter is one of the few mammal species on Earth to use a tool to help it hunt and feed.
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Average weight of a sea lion? The average weight of a sea turtle? A Adult Green Sea Turtle weighs around 130 - 180 kg heavy which is very heavy. In pound it is a bout 300 - 400 pounds. they also are 76 - 91 cm in length.
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Sea Otter In appearance, sea otters are stouter and have larger ribcages, smaller tails and blunter muzzles than other species of otters. Yet, sea otters do possess the fine, dense fur coats characteristic of the Mustelidae.
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- Leatherback Sea Turtles. The largest of all sea turtles, and one of the largest reptiles on earth, the leatherback turtle ranges in size from 4-8 feet in length (1.2 - 2.4 meters) and weighs between 500-2,000 pounds (225 - 900 kg). The average adult measures in between 5-6 feet (1.5 - 1.8 m) and weighs 600-800 pounds (270 - 360 kg).
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Bagheera AN ENDANGERED SPECIES. The giant otter is the South American cousin to the sea and river otters of North America, as well as those of Europe and Africa.The giant otter can grow to more than 6 feet (2 meters) long and 70 pounds (32 kg), nearly twice as large as its American counterparts.N ENDANGERED SPECIES. The giant otter is the South American cousin to the sea and river otters of North America, as well as those of Europe and Africa.
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What Do Sea Otters Eat? Quick Answer. Sea otters eat mainly slow-moving fish and marine invertebrates, such as crabs, sea urchins, abalones, clams, mussels, snails and octopuses. However, the diet and eating habits of sea otters may vary depending upon the location and season. Continue Reading.
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Leatherback Turtles Leatherbacks are the largest of all the sea turtles, measuring up to 2.4m (6 feet) long and 1.6m (4 feet) wide. The average weight of a leatherback turtle is around 400 kg (880 pounds). The maximum recorded weight of a leatherback is 916 kg (2015 pounds).eatherbacks are the largest of all the sea turtles, measuring up to 2.4m (6 feet) long and 1.6m (4 feet) wide. The average weight of a leatherback turtle is around 400 kg (880 pounds). The maximum recorded weight of a leatherback is 916 kg (2015 pounds).
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Basic Facts about Sea Otters Habitat & Range. Sea otters live in shallow coastal waters off the northern Pacific. Their historic range stretched from Japan, along the coast of Siberia and the Aleutian Chain and down the Alaska, British Columbia, Washington, Oregon and California coast to Baja California.ea otters eat urchins, abalone, mussels, clams, crabs, snails and about 40 other marine species. Sea otters eat approximately 25% of their weight in food each day to support their high metabolism.
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Sea otter The sea otter (Enhydra lutris) is a marine mammal native to the coasts of the northern and eastern North Pacific Ocean.Adult sea otters typically weigh between 14 and 45 kg (31 and 99 lb), making them the heaviest members of the weasel family, but among the smallest marine mammals.he last native sea otter in Oregon was probably shot and killed in 1906. In 1970 and 1971, a total of 95 sea otters were transplanted from Amchitka Island, Alaska to the Southern Oregon coast. However, this translocation effort failed and otters soon again disappeared from the state.
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Endangered Sea Otter The sea otter inhabits offshore environments, where it dives to the sea floor to forage. It preys mostly on marine invertebrates such as sea urchins, various molluscs and crustaceans, and some species of fish.n the wild, sea otters live to a maximum age of 23 years, with average lifespans of 10–15 years for males and 15–20 years for females. Several captive individuals have lived past 20 years, and a female at the Seattle Aquarium died at the age of 28 years.
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Bagheera GIANT OTTER AN ENDANGERED SPECIES. The giant otter is the South American cousin to the sea and river otters of North America, as well as those of Europe and Africa. The giant otter can grow to more than 6 feet (2 meters) long and 70 pounds (32 kg), nearly twice as large as its American counterparts.
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- Unlike other marine mammals, sea otters do not have an insulating layer of blubber and instead rely on their dense fur and high metabolism to keep warm. Sea otter fur is the densest of any animal on earth with an average of 500,000 hairs per square inch. They live in water that ranges in temperature from 35-60°F, so in order to keep their body temperature at approximately 100°F, a sea otter needs to east approximately 25% of its body weight each day! For more interesting facts about our sea otter, go to seattleaquarium.org/sea-otters.
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Giant otter Quick Facts. 1  Type: Mammal. 2  Diet: Omnivore. 3  Life span in the wild: Usually about 2 years, though can be up to 14 years. 4  Size: Adults are usually 70-100cm long. 5  Weight: Adults usually weigh between 6 and 14kg. 6  Habitat: Woodland and earthworm rich pastures. 7  Range: Most European countries. 8  Scientific name: Meles meles.