The IUCN Red List of Threatened Species 2015: e.T18711A21938411. Their groups include 2 to 20 members but average 3-8. The giant otter is known to hunt alone, in pairs and in groups. In terms of otters, the giant one has the shortest coat and its … The Giant Otter can reach up to 6 ft (1.8 m) in length, and weigh 76 lb (34 kg) in weight. By frank wouters from antwerpen, belgium , België , Belgique (reuzenotter) [CC-BY-2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons, By Eric Gaba (Sting – fr:Sting) (Own work) [CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0) or GFDL (http://www.gnu.org/copyleft/fdl.html)], via Wikimedia Commons. https://dx.doi.org/10.2305/IUCN.UK.2015-2.RLTS.T18711A21938411.en. Well it isn’t that impressive since the larger males only average between 1.5 m and 1. The females are smaller and weigh only 57–60 lb (26–27 kg). Giant otters are native to South America. At 2 years old they are sexually mature. Stingrays and eels carry the potential to be fatal but encounters between these species are rare so there is a minimal risk. The giant otter is a member of the Mustelidae family. 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. Just so you know, the giant otter can weigh up to 45.3 kg (100 lbs). Some sea otters might get heavier. The large tail, illustrated in detail by Kingdon (1974), is laterally flattened and constitutes the main means of propulsion. These patterns are different on each other and help them to distinguish each other in the group. The Asian small-clawed otter is the smallest otter species and the giant otter and sea otter are the largest. The birth takes place in an underground den. This fur is densely packed so that no water can penetrate through to the skin. This is located near a river and their fishing sites. Their diet varies throughout the year due to the migrations of the fish. In Peru, the giant river otter is classified as Endangered by the decree, DS 004-2014-MINAGRI. Giant Otters typically live in and along the Amazon River. Being an apex predator, Giant Otters can hunt alone, in pairs and in groups, mainly hunting fish, however they have been known to hunt anacondas and caimans. Recently, on our way to the park, one of our main giant otter study areas, we visited the community and attended its weekly assembly meeting. A family comes out of their home for an afternoon activity. It prefers to hunt in shallow water, using its keen vision to locate the prey which can be attacked either from above or below. A male Giant Otter is considerably bigger than its cousin the European Otter – three-quarters of a metre longer, nose to tail, and almost three times the weight. Most pups will leave the group a year later and go form their own pair. The giant otter is the largest of all the otter species. Giant Otters are the largest mustelid and they are similar to a very large river otter. These curious creatures are always ready for some fun, and can’t resist sneaking a better look at boaters who come near them. These babies are furred but blind. How big is a Giant Otter? Giant Otters are fascinating animals. The family members communicate vocally with a wide variation of calls. Their diet varies throughout the year due to the migrations of the fish. Giant otter fur is the shortest of all the otter species. Winds and Jet Streams Found on the Closest Brown Dwarf, World's Fastest Optical Neuromorphic Processor, 3D-Printed Smart Gel Changes Shape When Exposed to Light, Mysterious Family Life of Notorious Saber-Toothed Tiger, Unusual Sex Chromosomes of Platypus, Emu and Pekin Duck. Giant otter: Physical characteristics. The giant river otter (Pteronura brasiliensis) is a beautiful animal adapted for an amphibious lifestyle. Most of these flood throughout the year. The females are smaller and weigh only 57–60 lb (26–27 kg). The prey is held in the otter’s forepaws and eaten immediately. The giant otter swims at high speed by waving its tail and body up and down, using its webbed feet to steer. A large flattened tail and webbed feet enables them to move effortlessly under water in tropical streams, rivers and oxbow lakes. Unlike most other otters, the giant otter has a flat, paddlelike tail to help it swim. The Giant otter was discovered by Gmelin in 1788. Even though these countries are near to each other the population is highly fragmented due to localised extinctions. Imagine seeing those eyes staring into your soul as those sharp canine teeth pierce your flesh. It lives only in the rivers and creeks of the Amazon, Orinoco, and La Plata river systems. They have an oestrous cycle lasting 21 days with mating taking place in the 3rd to 10th day of this cycle. The giant otter is the largest of the world's otters. It lives in the rivers and swamps of tropical South America, forming noisy family groups that often hunt together. Although this might sound like a camping trip for a human family, this is actually the life of the giant otter. Giant otters wake up during the day making them diurnal. The giant otter is the longest species among mustelids although not the heaviest. Giant otters (Pteronura brasiliensis, or "londra" in Spanish) are also known as the Brazilian otter and flat-tailed otter. On the throat is an assortment of white patterns. Downloaded on 15 May 2020. Photo by Tambako The Jaguar. In local languages of the Amazon this species may be called Lobo De Rio (the river wolf) or Los Lobo del Rio (wolves of the river). Groups of about 5 to 10 otters live together in dens or burrows beside a river. Groenendijk, J., Duplaix, N., Marmontel, M., Van Damme, P. & Schenck, C. 2015. 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Young otters can come under threat from some other species. It is native to South America but is endangered and is also very rare in captivity. This fur is densely packed so that no water can penetrate through to the skin. It is a social animal that lives in a group of up to eight members, with the group centered on a dominant breeding pair. Giant otter with fish. Have any problems using the site? Giant otters are incredibly social. The species are relatively peaceful and territorial but aggression has also been observed in some groups. This species is the largest member of the otter family. The giant otter is the largest of all the otter species. In some of its range countries the populations are fairly stable but giant otters have gone extinct in some of their range countries. Strolling from their dwelling down to the river, the parents supervise as older siblings play with the youngsters, frolicking in the water and on the banks. When on land giant otters come under threat from jaguars. Or view hourly updated newsfeeds in your RSS reader: Keep up to date with the latest news from ScienceDaily via social networks: Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. The male was always seen as the one who initiated the mating. Their long tail may add as much as 70cm (28in) to this body length. Giant otter populations are in decline, the population is estimated to be between 1,000-4,000 individuals left in the wild. Held in the otter species and the tail is flattened into a flipper-like.... To South America, forming noisy family groups that often hunt together group a year later and form... Up during the day making them diurnal this fur is coloured brown most. Likely to be fatal but encounters between these species are rare so there is a type of animal also observed... Otter has a lifespan of 12 years in their natural habitat, and is highly sought after fur. 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