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The giant otter has a handful of other names. In Brazil it is known as ariranha, from the Tupi word arerãîa, or onça-d'água, meaning water jaguar. [6] In Spanish, river wolf (Spanish: lobo de río) and water dog (Spanish: perro de agua) are used occasionally (though the latter also refers to several different animals) and may have been more common in the reports of explorers in the 19th ...
Playful South Carolina river otters love to slide, eat and make a mess. They may also be a threat to pets and even young family members. Cute, playful & a potential threat.
Otters are carnivorous mammals in the subfamily Lutrinae. The 13 extant otter species are all semiaquatic , aquatic , or marine . Lutrinae is a branch of the Mustelidae family , which includes weasels , badgers , mink , and wolverines , among other animals.
Sthenictis sp. (American Museum of Natural History). Mustelids vary greatly in size and behaviour. The smaller variants of the least weasel can be under 20 cm (8 in) in length, while the giant otter of Amazonian South America can measure up to 1.7 m (5 ft 7 in) and sea otters can exceed 45 kg (99 lb) in weight.
River otters can grow to three or four feet in length and weigh between 12 and 25 pounds. They feed on fish, frogs and crustaceans, as well as eggs, reptiles, birds and small mammals.
Mink and river otters live along rivers, streams, lakes, marshes, water impoundments and other areas. Both species are capable of long distance travel, foraging, and dispersal; but river otters ...
The giant otter is much larger and hunts in groups, so it can take larger prey. Some areas, like the Pantanal, have high enough productivity such that both otter species can coexist with little or no competition (niche partitioning). Additionally, Neotropical otters prefer deeper and wider streams than giant otters. [12]
"The otters eating the crabs benefited the eel grass, which contributed to better water quality” which helped the otters, said Rikke Jeppesen, an estuarine ecologist with the Elkhorn Slough ...