Length: Up to 6 ft. They also have very sensitive whiskers, or vibrissae, that can detect changes in water pressure and help when discovering prey in the area. They are powerful and graceful swimmers, spending most of their time in the water. The family members clear an area beside a stream for their living quarters, of up to 50 sq meters, usually near feeding sites. There are 13 species of otters, in seven genera, according to Integrated Taxonomic Information System (ITIS). Giant Otter Facts. Habitat/range: Found in oxbow lakes and large slow moving rivers, including the Amazon, La Plate and Orinoco Rivers in north-central South America. Males can weigh up to 75 pounds (34 kg); females top weight is around 65 pounds (29.5 kg). Their coat is a dark brown color with creamy white markings on their chest. The giant otter is the longest species in the mustelid family. This otter is the largest member of the family Mustelidae, clearly distinguished from other South American otter species by morphological and behavioural characteristics. They take a nap at mid-day during really warm weather. Their ears are small and round and like their nostrils, can be closed when underwater. The Giant otter, living in South America, and the largest of the otters in its total length, is the cousin of the sea and river otters in North America, Europe and Africa. This species does not store food. This type of species has short fur of all otter species. Year-round, peak in late spring-early summer, 2. This species is monogamous, and pairs stay together for life. Giant Otter on The IUCN Red List site -, https://en.wikipedia.org/wiki/Giant_otter, http://www.iucnredlist.org/details/18711/0. ... “My weight … They catch prey with their teeth. Reproductive behavior has largely been documented by observations of captive animals. Diet: Giant otters mainly eat fish (piscivores) but frogs, snakes, crabs and crayfish may also be eaten, with each eating six to nine pounds (three to four kilos) daily. The established territory is then marked by scent from the animals' anal glands. A giant otter will consume roughly 3kg (7lb) – about 10% – of its body weight per day. Young are weaned at the age of 3-4 months. The Giant Otter can reach up to 6 ft (1.8 m) in length, and weigh 76 lb (34 kg) in weight. Expert fishers: Giant Otters feast on several species of Amazonian catfish and Characins. This fur is densely packed so that no water can penetrate through to the skin. First, sea otters are two to three times the size of river otters — and, when at the water’s surface, they float on their backs, while river otters swim belly down like most animals. Their forefeet are shorter than their hindfeet; each foot has five toes with sharp non-retractile claws and webbing that extends to the tips of the toes. Overall, currently Giant otters are classified as Endangered (EN) and theirs numbers today are decreasing. Methods of Collecting Food. It prefers to hunt in shallow water, using its keen vision to locate the prey which can be attacked either from above or below. Giant Otter Skull Replica is museum quality polyurethane cast. This program cooperatively manages specific, and typically threatened or endangered populations. Social animals: Giant Otters live in extended family groups that can number from three to even twenty individuals. 1-1.7 m. The Giant otter, living in South America, and the largest of the otters in its total length, is the cousin of the sea and river otters in North America, Europe and Africa. Giant otters prefer habitats with non-floodable banks that have vegetation cover and where there is easy access to hunting places in relatively shallow waters. Many people find this particular Otter to be different in size and shape from others. Giant river otters are perfectly equipped for an aquatic lifestyle with webbed feet, a long powerful tail, and a long streamlined body. Their fur is extremely soft and is a chocolate brown except for a pattern of large creamy white patches under their long neck, thought to be unique for each individual otter. Behavior: Giant otters are very social animals. Some sea otters might get heavier. Giant river otters are very sociable and live in families of between 3 – 10 individuals that hunt together. Size: The largest of the 13 otter species, males can reach nearly six feet (1.8 m) in length while females measure 4.5 feet (1.4 m). As its name implies, the giant otter is the largest species of otters. It is also known as the Guiana flat-tailed otter, margin-tailed otter and winged-tailed otter. Giant otters are strictly carnivorous and eat fish, crabs, small anacondas and small caimans. Pteronura brasiliensis moves through the water using different body parts according to its swimming speed. We present findings on the demography of a population inhabiting the floodplain of Manu National Park, south-eastern Peru, arising from 14 annual dry season censuses over a 16 year period. The giant otter has a handful of other names. This species is the largest among all the species of otters in the world, (sea otters , with their more compact body, can weigh considerably more).The males reach a total length of 1.5 to 1.8 m and a weight between 26 and 32 kg.As for females they usually measure 1.5 to 1.7 m in length and can weigh between 22 and 26 kg. Giant otters have large, powerful tails which are paddle-shaped. Its total length, including the tail, can reach 2.7 m. Outwardly, it resembles a sea otter rather than a river otter. 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